| 81 |
Separation of naphthenic acids from a petroleum oil |
US12999161 |
1961-08-08 |
US3176041A |
1965-03-30 |
AYERS GEORGE W; KREWER WILLIAM A |
|
| 82 |
Simplified debutanizer for use in isobutylene extraction |
US3623660 |
1960-06-15 |
US3169997A |
1965-02-16 |
BAUMANN GEORGE P; NIRMAIER EARLE A |
|
| 83 |
Regeneration of hydrocarbon solutions of trialkyl phosphate used in processing of nuclear fuel |
US21823662 |
1962-08-17 |
US3112275A |
1963-11-26 |
POLLOCK CHARLES W; MCKENZIE THEODORE R |
|
| 84 |
Method of preparing odorless naphthas |
US85154559 |
1959-11-09 |
US3073778A |
1963-01-15 |
AYCRS GEORGE W; KREWER WILLIAM A |
|
| 85 |
Process for removing phenol from a phenol-containing oil |
US81506659 |
1959-05-22 |
US3069354A |
1962-12-18 |
WALTER HORINGKLEE |
|
| 86 |
Waste water treatment |
US70520957 |
1957-12-26 |
US2999808A |
1961-09-12 |
BROWN KENNETH M |
|
| 87 |
Oxygenated piperidines and processes for their manufacture |
US74964958 |
1958-07-21 |
US2997478A |
1961-08-22 |
WALTER LEWIS A; NATHAN SPERBER |
|
| 88 |
Extraction and recovery of phenols and pyridines from phenol containing oils |
US82999559 |
1959-07-28 |
US2997477A |
1961-08-22 |
KARL-HEINZ EISENLOHR; KARL GROB |
|
| 89 |
Plurality stage treatment |
US75550058 |
1958-08-18 |
US2986514A |
1961-05-30 |
AKERS CAROL C; MITCHELL NORRIS W |
|
| 90 |
Method of increasing the on-stream time of heat transfer units |
US62021356 |
1956-11-05 |
US2941937A |
1960-06-21 |
DE CHELLIS ITALO V |
|
| 91 |
Method of refining aromatic extract oils with barium compounds |
US70746658 |
1958-01-07 |
US2938862A |
1960-05-31 |
ANNABLE WELDON G; HAINES ROBERT M |
|
| 92 |
Waste water treatment |
US58581456 |
1956-05-18 |
US2927075A |
1960-03-01 |
BROWN KENNETH M |
|
| 93 |
Removing acids from petroleum |
US61331156 |
1956-10-01 |
US2911360A |
1959-11-03 |
MYERS HUGH L |
|
| 94 |
Refining of light and heavy petroleum hydrocarbons separately with alkali and cresylic acid followed by regeneration of the alkali solution |
US39002453 |
1953-11-03 |
US2846357A |
1958-08-05 |
ERIC MCNEILL; ALFRED DEAN RONALD |
|
| 95 |
Process for sweetening and stabilizing cracked gasolines |
US59363156 |
1956-06-25 |
US2835564A |
1958-05-20 |
COE CLARENCE S |
|
| 96 |
Method of making alkaline earth metal naphthenates |
US48148555 |
1955-01-12 |
US2815372A |
1957-12-03 |
PORTSER JR CHARLES H |
|
| 97 |
Naphthenic acid treatment |
US43357454 |
1954-06-01 |
US2812290A |
1957-11-05 |
MILLS IVOR W; GALLUP WILLIAM A |
|
| 98 |
Treatment of naphthenic acids |
US44767454 |
1954-08-03 |
US2789999A |
1957-04-23 |
JEZL JAMES L |
|
| 99 |
Method of preventing plugging in alkali treatment of hydrocarbons |
US39310653 |
1953-11-19 |
US2786017A |
1957-03-19 |
BROWN KENNETH M |
|
| 100 |
Removal of acidic sulfur compounds with caustic-zinc solutions |
US47468154 |
1954-12-13 |
US2783184A |
1957-02-26 |
RALPH MILLER |
|
