序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
21 Lubricant composition containing a viscosity index improver having dispersant properties US157355 1988-02-17 USH815H 1990-09-04 Carl L. Willis; Andy M. Arismendi, Jr.
The present invention relates to a lubricant composition containing a minor amount of a thermally stable modified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein a primary or secondary amine functional group is grafted to the block copolymer primarily in the alkenyl arene blocks thereof.
22 Polyalkyl(meth)acrylate for improving lubricating oil properties US13702317 2011-06-27 US09777098B2 2017-10-03 Boris Eisenberg; Dieter Janssen; Ellen Suchert; Miriam Kathrin Stihulka; Lucas Voigt
The invention relates to a polyalkyl (meth) acrylate for improving lubricating oil properties, which comprises repetition units which are derived from (meth) acrylates having 6 to 22 carbon atoms in the alcohol residues, and repetition units which are derived from amine derivatives of an ethylenically unsaturated monomer. The invention further relates to methods for producing and using the present polyalkyl (meth) acrylate.
23 FRICTION-IMPROVED POLYMERS FOR DLC-COATED SURFACES US14005277 2012-05-10 US20140005084A1 2014-01-02 Boris Eisenberg; Torsten Stoehr
The present invention relates to a component part comprising at least two components movable with respect to one another, between the surfaces of which is provided a film formed by a lubricant oil composition, the surface of at least one of the movable components being formed at least partly by a diamond-like-carbon layer (DLC layer) and the lubricant oil composition comprising at least one polymer comprising repeat units derived from amine derivatives of at least one polar ethylenically unsaturated monomer.
24 Dispersant Viscosity Modifiers US13382555 2010-07-06 US20120178659A1 2012-07-12 David Price; William R.S. Barton; Michael R. Sutton; Mark C. Davies
The disclosed invention relates to a composition comprising a grafted polymer. The polymer comprises a backbone with at least one olefin block and at least one vinyl aromatic block. The polymer is grafted with a pendant carbonyl containing group, the grafting being conducted by halogenating the vinyl aromatic carbon of the vinyl aromatic block and then grafting a carboxylic acid or derivative thereof on the halogenated vinyl aromatic carbon in the presence of an activating agent. The carbonyl containing-group is optionally substituted to provide ester, imide and/or amide functionality. The grafted polymer is useful as a dispersant viscosity modifier in lubricating compositions such as engine oils.
25 Dispersant Viscosity Modifiers US13382351 2010-07-06 US20120178656A1 2012-07-12 Michael R. Sutton; William R.S. Barton; David Price; Mark C. Davies
The disclosed invention relates to a composition comprising a grafted polymer. The polymer backbone comprises an olefin block and a vinyl aromatic block. The polymer backbone is grafted with a pendant carbonyl containing group, the grafting being conducted in oil in the presence of an initiator. The carbonyl containing-group is optionally substituted to provide ester, imide and/or amide functionality. The grafted polymer is useful as a dispersant viscosity modifier in lubricating compositions such as engine oils.
26 PREPARATION OF FUNCTIONAL MONOMERS FOR GRAFTING TO LOW MOLECULAR WEIGHT POLYALKENES AND THEIR USE IN THE PREPARATION OF DISPERSANTS AND LUBRICATING OIL COMPOSITIONS CONTAINING DISPERSANT POLYALKENES US12419083 2009-04-06 US20090203849A1 2009-08-13 Irwin L. Goldblatt
A polyalkene dispersant comprised of low MW polyalkene having an average molecular weight range of about 300 to about 10,000 and an ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomer and methods of making the same are disclosed. The monomers are formed by reacting an acylating agent with amines having one or more primary or secondary amine to form a reaction product. Graft polyalkene dispersants comprising such monomers are formed by grafting the reaction product to the polyalkene backbone. Also described is lubricating oil comprising base oil and the dispersant polyalkene as described above.
27 PREPARATION OF FUNCTIONAL MONOMERS FOR GRAFTING TO LOW MOLECULAR WEIGHT POLYALKENES AND THEIR USE IN THE PREPARATION OF DISPERSANTS AND LUBRICATING OIL COMPOSITIONS CONTAINING DISPERSANT POLYALKENES US12390892 2009-02-23 US20090176672A1 2009-07-09 Irwin L. Goldblatt
A polyalkene dispersant comprised of low MW polyalkene having an average molecular weight range of about 300 to about 10,000 and an ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomer and methods of making the same are disclosed. The monomers are formed by reacting an acylating agent with amines having one or more primary or secondary amine to form a reaction product. Graft polyalkene dispersants comprising such monomers are formed by grafting the reaction product to the polyalkene backbone. Also described is lubricating oil comprising base oil and the dispersant polyalkene as described above.
28 Antioxidant hydrazides and derivatives thereof having multifunctional activity US10937247 2004-09-08 US20060052260A1 2006-03-09 Karl Duyck; Theodore Nalesnik; Wadim Batorewicz
A composition of matter is disclosed wherein the composition comprises a hydrazide compound of the formula: wherein: R1 is selected from the group consisting of alkyl, alkyl ether, and phenyl; R2, R3, R4, R5, and R6 are independently selected from the group consisting of hydrogen, alkyl, alkyl ether, and aryl; and n is an integer of from 0 to 10; and wherein: when R1 is phenyl, it is of the structure: wherein R7, R8, and R9 are independently selected from the group consisting of hydrogen, alkyl, alkyl ether, and aryl, or R7 can be combined with R8 to form a ring of 5 or 6 carbon atoms. The hydrazides are useful as stabilizers for lubricants, greases, and polymeric systems, particularly lubricating oils, as are maleated polymers that have been functionalized with them.
29 Preparation of functional monomers for grafting to low molecular weight polyalkenes and their use in the preparation of dispersants and lubricating oil compositions containing dispersant polyalkenes US10983377 2004-11-08 US20050209113A1 2005-09-22 Irwin Goldblatt
A polyalkene dispersant comprised of low MW polyalkene having an average molecular weight range of about 300 to about 10,000 and an ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomer and methods of making the same are disclosed. The monomers are formed by reacting an acylating agent with amines having one or more primary or secondary amine to form a reaction product. Graft polyalkene dispersants comprising such monomers are formed by grafting the reaction product to the polyalkene backbone. Also described is lubricating oil comprising base oil and the dispersant polyalkene as described above.
30 Dispersant-viscosity improvers for lubricating oil compositions US09599709 2000-06-22 US06818601B1 2004-11-16 Richard M. Lange
A composition of matter suitable for use as a dispersant-viscosity improver for lubricating oil compositions comprises the reaction product of reactants comprising (a) hydrocarbon polymer grafted with an &agr;,&bgr;-ethylenically unsaturated carboxylic acid or functional derivative thereof; and (b) an amine selected from the group consisting of (b-1) a product made by contacting at least one hydroxy-containing material with at least one amine having at least one N—H group, and (b-2) an acylated derivative of (b-1) containing at least one condensable N—H group.
31 Polyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositions US668313 1996-06-26 US5633326A 1997-05-27 Abhimanyu O. Patil; Robert D. Lundberg; Antonio Gutierrez
Novel polymers comprising polyolefin-substituted amines grafted with aromatic N-containing monomers such as aniline, have been found to provide oil soluble polymers having dispersant and antioxidant properties in oleaginous compositions, including fuel and lubricating oils. The polymers of this invention are further useful in electrical applications. These materials are formed by a process which comprises: (a) contacting an amine compound having at least two reactive nitrogen moieties with at least one long chain hydrocarbon-substituted reactant in an amount and under conditions sufficient to form a N-containing polymer adduct containing reactive amine groups, and (b) contacting the N-containing polymer adduct with at least one aromatic N-containing monomer under polymerization conditions to graft said N-containing polymer adduct with aromatic N-containing polymer segments. The long chain hydrocarbon-substituted reactant can comprise materials such as (i) long chain hydrocarbons substituted with mono- or dicarboxylic acid, anhydride or ester groups; (ii) halogenated long chain hydrocarbons; (iii) mixtures of formaldehyde and a long chain hydrocarbyl substituted phenol; and (iv) mixtures of formaldehyde and a reaction product formed by reaction of long chain hydrocarbons substituted with mono- or dicarboxylic acid, anhydride or ester groups and an amino-substituted, optionally hydrocarbyl-substituted phenol.
32 Compositions for reducing wear on ceramic surfaces US22741 1993-02-17 US5407601A 1995-04-18 Michael J. Furey; Czeslaw Kajdas
Fluid compositions comprised of a monomer constituent dissolved in a carrier fluid, where the monomer constituent is capable of forming a polymer film directly on rubbing surfaces but is not polymerized in solution, have been found to be effective for reducing ceramic wear.
33 Oil soluble amino-substituted polymers containing graft polymer segments derived from aromatic nitrogen-containing monomers US130611 1993-10-01 US5382632A 1995-01-17 Abhimanyu O. Patil; Sudhin Datta; Robert D. Lundberg
The novel polymers of the present invention are prepared by graft polymerization of at least one aromatic nitrogen-containing monomer onto an amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups). Preferred aromatic nitrogen-containing moieties are illustrated by aniline, and preferred amino-substituted interpolymers comprise amino-substituted ethylene propylene norbornene terpolymers. The polymers of this invention are oil soluble and are useful as dispersant and antioxidant additives in oleaginous compositions and are further useful in electrical, textile and other applications.
34 Amino-substituted polymers containing graft polymer segments derived from aromatic nitrogen-containing monomers US131799 1993-10-04 US5376728A 1994-12-27 Abhimanyu O. Patil; Sudhin Datta; Robert D. Lundberg
The novel polymers of the present invention are prepared by graft polymerization of at least one aromatic nitrogen-containing monomer onto a low T.sub.g amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups). Preferred aromatic nitrogen-containing moieties are illustrated by aniline, and preferred low T.sub.g amino-substituted interpolymers comprise amino-substituted ethylene propylene norbornene elastomeric terpolymers. The polymers of this invention are useful in electrical, textile and other applications.
35 Additive for organic medium or thermoplastic polymer US738603 1991-07-31 US5294233A 1994-03-15 Shizuo Kitahara; Hiroyuki Watanabe; Takuji Kishimoto; Tetuya Toyoshima; Takafumi Kawanaka; Kohkichi Noguchi
An additive for improving the dispersibility of a particulate substance in an organic medium, a thermoplastic polymer, or a thermosetting resin, is at least one compound having a ##STR1## bond in the molecule, including, for example, compounds having an oxazolinium ion in the molecule. The preferred additive compounds are oligomeric or polymeric.
36 Lubricant and functional fluid compositions containing viscosity index improver US13978604 2012-01-09 US09528069B2 2016-12-27 David Price; William R. S. Barton
The disclosed invention relates to lubricant or functional fluid compositions containing viscosity index improvers in the form of self-healing polymers. The polymers may comprise one or more cleavable linkages, such as one or more disulfide bonds and/or one or more diene/dienophile linkages, to permit the polymer to reform if cleaved during use.
37 Friction-improved polymers for DLC-coated surfaces US14005277 2012-05-10 US09434903B2 2016-09-06 Boris Eisenberg; Torsten Stoehr
The present invention relates to a component part comprising at least two components movable with respect to one another, between the surfaces of which is provided a film formed by a lubricant oil composition, the surface of at least one of the movable components being formed at least partly by a diamond-like-carbon layer (DLC layer) and the lubricant oil composition comprising at least one polymer comprising repeat units derived from amine derivatives of at least one polar ethylenically unsaturated monomer.
38 POLYALKYL(METH)ACRYLATE FOR IMPROVING LUBRICATING OIL PROPERTIES US13702317 2011-06-27 US20130079265A1 2013-03-28 Boris Eisenberg; Dieter Janssen; Ellen Suchert; Miriam Kathrin Stihulka; Lucas Voigt
The invention relates to a polyalkyl (meth) acrylate for improving lubricating oil properties, which comprises repetition units which are derived from (meth) acrylates having 6 to 22 carbon atoms in the alcohol residues, and repetition units which are derived from amine derivatives of an ethylenically unsaturated monomer. The invention further relates to methods for producing and using the present polyalkyl (meth) acrylate.
39 Preparation of functional monomers for grafting to low molecular weight polyalkenes and their use in the preparation of dispersants and lubricating oil compositions containing dispersant polyalkenes US12390892 2009-02-23 US08263537B2 2012-09-11 Irwin L. Goldblatt
A polyalkene dispersant comprised of low MW polyalkene having an average molecular weight range of about 300 to about 10,000 and an ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomer and methods of making the same are disclosed. The monomers are formed by reacting an acylating agent with amines having one or more primary or secondary amine to form a reaction product. Graft polyalkene dispersants comprising such monomers are formed by grafting the reaction product to the polyalkene backbone. Also described is lubricating oil comprising base oil and the dispersant polyalkene as described above.
40 Lubricating oil compositions for inhibiting coolant-induced oil filter plugging US11516765 2006-09-07 US08093189B2 2012-01-10 Cathy C. Devlin; Charles A. Passut; Paul G. Griffin
Lubricating oil compositions are provided that inhibit coolant-induced oil filter plugging in heavy-duty diesel engines, and particularly CJ-4 and CI-4 PLUS compliant lubricating oil compositions that inhibit coolant-induced oil filter plugging in exhaust gas recirculation or recycle engines.
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