序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
181 Aminoplasts US34740353 1953-04-07 US2804442A 1957-08-27 LAURIE WILLIAM A
182 Curable compounds of unsaturated aldehyde polymers and method of making the same US11133549 1949-08-19 US2651624A 1953-09-08 SWART GILBERT H
183 Fire-retardant composition containing an anion exchange resin US67166046 1946-05-22 US2628946A 1953-02-17 WALTER JUDA; GRINNELL JONES; NATHANIEL ALTMAN
184 New stable synthetic resin emulsions and process for the preparation thereof US78384447 1947-11-03 US2586098A 1952-02-19 LUZIUS SCHIBLER
185 Polyamine-aldehyde condensation product and its production US34294540 1940-06-28 US2338637A 1944-01-04 WOLFGANG GUNDEL
186 Process of imparting hydrophobic properties to cellulose fibers US8112236 1936-05-21 US2165265A 1939-07-11 EMIL HUBERT FRANZ; ERWIN HEISENBERG; ADOLF STEINDORFF; LUDWIG ORTHNER
187 Process or preparing hydrophobic cellulose fibers US10230036 1936-09-24 US2111698A 1938-03-22 FRITZ SIEFERT; JOSEPH STADIER
188 Accelerator for the vulcanization of rubber US60129832 1932-03-25 US1943570A 1934-01-16 WILLIAMS CARL S
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