公开(公告)号：DE3751948D1

公开(公告)日：1996-12-12

申请号：DE3751948

申请日：1987-09-23

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： LEWTAS KENNETH ,  LEHMANN EDWIN WILLIAM ,  TACK ROBERT DRYDEN ,  ROSSI ALBERT

IPC: C10L1/22 ,  C07C67/00 ,  C07C211/07 ,  C07C211/08 ,  C07C301/00 ,  C07C309/01 ,  C07C309/20 ,  C07C309/22 ,  C07C309/25 ,  C07C309/27 ,  C07C309/28 ,  C07C309/57 ,  C07C309/58 ,  C07C309/59 ,  C07C311/00 ,  C07D327/04 ,  C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/19 ,  C10L1/192 ,  C10L1/195 ,  C10L1/222 ,  C10L1/24

公开(公告)号：LV10966B

公开(公告)日：1996-10-20

申请号：LV930534

申请日：1993-06-09

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： LEHMANN EDWIN WILLIAM ,  TACK ROBERT DRYDEN ,  ROSSI ALBERT

IPC: C10L1/22 ,  C07C67/00 ,  C07C211/07 ,  C07C211/08 ,  C07C301/00 ,  C07C309/01 ,  C07C309/20 ,  C07C309/22 ,  C07C309/25 ,  C07C309/27 ,  C07C309/28 ,  C07C309/57 ,  C07C309/58 ,  C07C309/59 ,  C07C311/00 ,  C07D327/04 ,  C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/19 ,  C10L1/192 ,  C10L1/195 ,  C10L1/222 ,  C10L1/24

公开(公告)号：CA2187667A1

公开(公告)日：1995-12-14

申请号：CA2187667

申请日：1995-06-09

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  REA SALVATORE ,  STANAT JON EDMOND ,  WRIGHT LINDA KAY ,  KAUFMAN KENNETH LEE ,  FREDERICK JEFFREY WILLIAM ,  KOROS ROBERT MARTIN ,  MARGO HAROLD WILBUR

IPC: C08F2/06 ,  C08F4/602 ,  C08F10/00 ,  C08F10/04 ,  C08F110/08 ,  C08F210/08

Abstract: An improved process for the homopolymerization and copolymerization of .alpha.-olefins utilizing highly dilute .alpha.-olefin feedstreams to effect high conversions and catalyst efficiencies in the production of non-ethylene copolymers. The instant invention is particularly adaptable of polymerizing the .alpha.-olefin content of commercially available refinery feedstreams such as Raffinate-2.

公开(公告)号：AU5950894A

公开(公告)日：1994-07-04

申请号：AU5950894

申请日：1993-12-10

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  REA SALVATORE ,  STANAT JON EDMOND ,  WRIGHT LINDA KAY ,  KAUFMAN KENNETH LEE ,  MARGO HAROLD WILBUR ,  FREDERICK JEFFREY WILLIAM ,  KOROS ROBERT MARTIN

IPC: C08F2/04 ,  B01J8/38 ,  B01J19/18 ,  C08F2/06 ,  C08F4/602 ,  C08F210/16

Abstract: An improved process for the copolymerization of ethylene and alpha -olefins utilizing highly dilute alpha -olefin feedstreams to effect high conversions and catalyst productivities. The instant invention is particularly adaptable to copolymerizing the alpha -olefin content of commercially available refinery feedstreams such as Raffinate-2.

公开(公告)号：CA1329624C

公开(公告)日：1994-05-17

申请号：CA547643

申请日：1987-09-23

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： LEWTAS KENNETH ,  LEHMANN EDWIN W ,  TACK ROBERT D ,  ROSSI ALBERT

IPC: C10L1/22 ,  C07C67/00 ,  C07C211/07 ,  C07C211/08 ,  C07C301/00 ,  C07C309/01 ,  C07C309/20 ,  C07C309/22 ,  C07C309/25 ,  C07C309/27 ,  C07C309/28 ,  C07C309/57 ,  C07C309/58 ,  C07C309/59 ,  C07C311/00 ,  C07D327/04 ,  C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/19 ,  C10L1/192 ,  C10L1/195 ,  C10L1/222 ,  C10L1/24 ,  C07C309/51

Abstract: A compound of the general formula in which -Y-R2 is SO3(-)(+)NR?R2, -SO3(-)(+)HNR?R2 -SO3(-)(+)H2NR3R2, -SO3(-)(+)H3NR2, -SO2NR3R2 or -SO3R2; -X-R1 is -Y-R2 or -CONR3R1, -CO2(-)(+)NR3R1, CO2(-)(+)HNR3R1, -CO2(-)(+)H2NR3R1, -CO2(-)(+)H3NR1, -R4-COOR1, -NR3COR1, R4OR1, -R4OCOR1, -R4R1, -N(COR3)R1 or Z(-)(+)NR?R1; -Z(-) is SO3(-) or -CO2(-); R1 and R2 are alkyl, alkoxy alkyl or polyalkoxy alkyl containing at least 10 carbon atoms in the main chain: R3 is hydrocarbyl and each R3 may be the same or different and R4 is nothing or is C1 to C5 alkylene and in the carbon-carbon (C-C) bond is either a) ethylenically unsaturated when A and B may be alkyl, alkenyl or substituted hydrocarbyl groups or b) part of a cyclic structure which may be aromatic, polynuclear aromatic or cyclo-aliphatic.

公开(公告)号：DE69003562T2

公开(公告)日：1994-02-03

申请号：DE69003562

申请日：1990-02-27

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  ROSENTAL CELIO

IPC: C08L23/02 ,  C08L29/00 ,  C08L33/04 ,  C08L33/06 ,  C10M157/00 ,  C10N20/04 ,  C10N30/02 ,  C10N60/02

公开(公告)号：MX172801B

公开(公告)日：1994-01-13

申请号：MX1937790

申请日：1990-02-02

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  ROSENTAL CELIO

IPC: C08L23/02 ,  C08L29/00 ,  C08L33/04 ,  C08L33/06 ,  C10M157/00 ,  C10N20/04 ,  C10N30/02 ,  C10N60/02

公开(公告)号：DE69003562D1

公开(公告)日：1993-11-04

申请号：DE69003562

申请日：1990-02-27

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  ROSENTAL CELIO

IPC: C08L23/02 ,  C08L29/00 ,  C08L33/04 ,  C08L33/06 ,  C10M157/00 ,  C10N20/04 ,  C10N30/02 ,  C10N60/02

公开(公告)号：DE69003129D1

公开(公告)日：1993-10-14

申请号：DE69003129

申请日：1990-02-27

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  ROSENTAL CELIO

IPC: C10M143/02 ,  C10M145/14 ,  C10M157/00 ,  C10N20/00 ,  C10N20/04 ,  C10N30/02 ,  C10N40/25

Abstract: A lubricating oil composition comprising lubricating oil and (i) an amount effective to improve the low temperature flow properties of said lubricating oil composition of additive consisting essentially of at least one low molecular weight polymer or interpolymer of unsaturated carboxy ester represented by the formula wherein R min is selected from the group consisting of hydrogen and COOR, and R is a C14 alkyl group; and (ii) an amount effective to improve the viscosity index of said lubricating oil composition of additive comprising copolymer of ethylene and at least one other alpha-olefin monomer, said copolymer comprising intramolecularly heterogeneous copolymer chains containing at least one crystallizable segment of methylene units and at least one low crystallinity ethylene-alpha-olefin copolymer segment, wherein said at least one crystallizable segment comprises at least about 10 weight percent of said copolymer chain and contains an average ethylene content of at least about 57 weight percent, wherein said low crystallinity segment contains an average of not greater than about 53 weight percent ethylene, and wherein said copolymer has a molecular weight distribution characterized by at least one of a ratio of Mw/Mn of less than 2 and a ratio of Mz/Mw of less than 1.8, and wherein at least two portions of an individual intramolecularly heterogeneous chain, each portion comprising at least 5 weight percent of said chain, differ in composition from one another by at least 7 weight percent ethylene.

公开(公告)号：DE3688892D1

公开(公告)日：1993-09-23

申请号：DE3688892

申请日：1986-06-06

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  SZYKOWSKI JOHN PETER ,  TACK ROBERT DRYDEN

IPC: C10M145/00 ,  C10M157/04 ,  C10M161/00 ,  C10N30/02 ,  C10N40/04 ,  C10N60/00

Abstract: There is disclosed a lubricating oil composition containing a dual additive combination for reducing the low temperature viscosity properties thereof. Such additive combination comprises a polymethacrylate or esterified styrene/maleic anhydride copolymer and a sorbitan tristearate.