-
公开(公告)号:US2615919A
公开(公告)日:1952-10-28
申请号:US8056149
申请日:1949-03-09
申请人: DU PONT
发明人: BISWELL CHARLES B
CPC分类号: C07C209/90
-
公开(公告)号:US2551786A
公开(公告)日:1951-05-08
申请号:US9028049
申请日:1949-04-28
申请人: DU PONT
发明人: BISWELL CHARLES B
CPC分类号: C10L1/2283 , C10M1/08 , C10M2207/125 , C10M2207/129 , C10M2215/18 , C10N2210/02 , C10N2250/10 , C11B5/0057
-
公开(公告)号:US2128511A
公开(公告)日:1938-08-30
申请号:US10369636
申请日:1936-10-02
申请人: DU PONT
发明人: BISWELL CHARLES B , WIRTH WALTER V
CPC分类号: C07C233/00
-
公开(公告)号:US2696427A
公开(公告)日:1954-12-07
申请号:US20807251
申请日:1951-01-26
申请人: DU PONT
发明人: BISWELL CHARLES B
IPC分类号: C10L1/222
CPC分类号: C10L1/2225
-
公开(公告)号:US2512297A
公开(公告)日:1950-06-20
申请号:US5692248
申请日:1948-10-27
申请人: DU PONT
CPC分类号: C10L1/14 , C10L1/103 , C10L1/201 , C10L1/2222 , C10L1/223 , C10L1/232 , C10L1/2335 , C10L1/306
-
公开(公告)号:US2580881A
公开(公告)日:1952-01-01
申请号:US9475649
申请日:1949-05-21
申请人: DU PONT
发明人: BISWELL CHARLES B
IPC分类号: C10L1/228
CPC分类号: C10L1/2283 , C10M1/08 , C10M2207/125 , C10M2207/129 , C10M2215/06 , C10M2215/064 , C10M2215/065 , C10M2215/066 , C10M2215/10 , C10N2210/01 , C10N2210/02 , C10N2210/03 , C10N2250/10 , C10N2270/02
-
公开(公告)号:US2109954A
公开(公告)日:1938-03-01
申请号:US11664736
申请日:1936-12-18
申请人: DU PONT
发明人: BISWELL CHARLES B , WIRTH WALTER V
IPC分类号: C07D213/79 , C07D213/803
CPC分类号: C07D213/803
-
公开(公告)号:US3679380A
公开(公告)日:1972-07-25
申请号:US3679380D
申请日:1971-03-01
申请人: DU PONT
IPC分类号: C10L1/16
CPC分类号: C10L1/1666
摘要: MIDDLE DISTILLATE FUEL OIL COMPOSITIONS CONTAINING AN EFFECTIVE AMOUNT OF A POUR IMPROVER CONSISTING OF A SOLUBLE, SUBSTANTIALLY LINEAR, ETHYLENE COPOLYMER CONSISTING OF, ON A WEIGHT BASIS, 58 TO 68% POLUMERIZED ETHYLENE UNITS, 32 TO 42% POLYMERIZED PROPYLENE UNITS, AND UP TO 10% POLYMERIZED 1,4-HEXADIENE UNITS, SAID COPOLYMER HAVING AN INHERENT VISCOSITY IN TETRACHLOROETHYLENE AT 30*C. OF ABOUT 0.1 TO 0.45, A NUMBER AVERAGE MOLECULAR WEIGHT OF ABOUT 1,000 TO 10,000 AND A MOLECULAR WEIGHT DISTRIBUTION OF LESS THAN ABOUT 8.
-
公开(公告)号:US3598738A
公开(公告)日:1971-08-10
申请号:US3598738D
申请日:1968-12-19
申请人: DU PONT
IPC分类号: C10M143/04 , C08F210/18 , C10M143/02 , C10M143/06 , C10M143/10 , C10M143/14 , C10M143/16 , C10N20/02 , C10N30/00 , C10N40/25
CPC分类号: C10M143/02 , C08F210/18 , C10M2203/06 , C10M2203/10 , C10M2203/102 , C10M2205/00 , C10M2205/04 , C10M2205/06 , C10M2205/10 , C10M2205/22 , C10M2209/084 , C10M2211/024 , C10M2211/06 , C10M2215/04 , C10M2215/086 , C10M2215/26 , C10M2215/28 , C10M2217/022 , C10M2217/023 , C10M2217/046 , C10M2217/06 , C10M2219/044 , C10M2219/046 , C10M2223/045 , C10N2210/02 , C10N2220/02 , C10N2240/08 , C10N2270/02 , C08F210/06 , C08F2500/17
摘要: THIS INVENTION RELATES TO MINERAL OIL COMPOSITIONS COMPRISING A NEUTRAL, NON-VOLATILE, MINERAL OIL AND AN EFFECTIVE AMOUNT OF A VISCOSITY INDEX IMPROVER SELECTED FROM A LIMITED CLASS OF OIL-SOLUBLE, SUBSTANTIALLY LINEAR, ETHYLENE,HYDROCARBON COPOLYMERS CONTAINING 25 TO 55 WEIGHT PERCENT POLYMERIZED ETHYLENE UNITS AND HAVNG A PENDENT INDEX OF 18 TO 33, AN AVERAGE PENDENT SIZE NOT EXCEEDING 10 CARBON ATOMS, AN AVERAGE CHAIN LENGTHL OF 2,700 8,800 CARBON ATOMS AND AN INHERENT VISCOSITY OF 0.7 TO 1.8 AS MEASURED ON A 0.1 WEIGHT PERCENT SOLUTION IN TETRACHLOROETHYLENE AT 30*C.
-
公开(公告)号:US2584784A
公开(公告)日:1952-02-05
申请号:US9475549
申请日:1949-05-21
申请人: DU PONT
发明人: BISWELL CHARLES B
IPC分类号: C07C281/18 , C10L1/228 , C11B5/00
CPC分类号: C10L1/2283 , C07C281/18 , C10M1/08 , C10M2207/125 , C10M2207/129 , C10M2215/10 , C10N2210/02 , C10N2250/10 , C11B5/0042
-
-
-
-
-
-
-
-
-