公开(公告)号：CA2130483A1

公开(公告)日：1993-09-30

申请号：CA2130483

申请日：1993-03-17

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  CHANDLER JOHN E ,  BARBOUR ROBERT

IPC: C08F4/642 ,  C08F4/60 ,  C08F10/00 ,  C08F210/00 ,  C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/22 ,  C10L1/24 ,  C10L10/08 ,  C10L10/14 ,  C10M143/08 ,  C10N20/00 ,  C10N20/04 ,  C10N30/02 ,  C10N40/25 ,  C08F10/14

Abstract: 2130483 9319106 PCTABS00025 Homo- or co-polymers derived from one or more alpha-olefins having a number average molecular weight of up to 15,000 and an isotacticity of 75 % or greater, and their use as Cold Flow Improvers in crude, fuel or lubricating oil.

公开(公告)号：DE68903204T2

公开(公告)日：1993-03-18

申请号：DE68903204

申请日：1989-07-25

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： SONG WON RYUL ,  ROSSI ALBERT ,  TURNER HOWARD WILLIAM ,  WELBORN HOWARD CURTIS ,  LUNDBERG ROBERT DEAN ,  GUTIERREZ ANTONIO ,  KLEIST ROBERT ARTHUR

IPC: C08F8/00 ,  C08F8/46 ,  C10M129/93 ,  C10M133/52 ,  C10M143/02 ,  C10M145/00 ,  C10M145/06 ,  C10M145/12 ,  C10M171/00 ,  C10N30/02 ,  C10N30/04

公开(公告)号：DE68903204D1

公开(公告)日：1992-11-19

申请号：DE68903204

申请日：1989-07-25

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： SONG WON RYUL ,  ROSSI ALBERT ,  TURNER HOWARD WILLIAM ,  WELBORN HOWARD CURTIS ,  LUNDBERG ROBERT DEAN ,  GUTIERREZ ANTONIO ,  KLEIST ROBERT ARTHUR

IPC: C08F8/00 ,  C08F8/46 ,  C10M129/93 ,  C10M133/52 ,  C10M143/02 ,  C10M145/00 ,  C10M145/06 ,  C10M145/12 ,  C10M171/00 ,  C10N30/02 ,  C10N30/04

公开(公告)号：AT81527T

公开(公告)日：1992-10-15

申请号：AT89307567

申请日：1989-07-25

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： SONG WON RYUL ,  ROSSI ALBERT ,  TURNER HOWARD WILLIAM ,  WELBORN HOWARD CURTIS ,  LUNDBERG ROBERT DEAN ,  GUTIERREZ ANTONIO ,  KLEIST ROBERT ARTHUR

IPC: C08F8/00 ,  C08F8/46 ,  C10M129/93 ,  C10M133/52 ,  C10M143/02 ,  C10M145/00 ,  C10M145/06 ,  C10M145/12 ,  C10M171/00 ,  C10N30/02 ,  C10N30/04

公开(公告)号：DE3777303D1

公开(公告)日：1992-04-16

申请号：DE3777303

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：BR9000915A

公开(公告)日：1991-10-15

申请号：BR9000915

申请日：1990-02-23

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT

IPC: C10M157/00 ,  C10N20/04 ,  C10N30/02 ,  C10N40/25 ,  C10M145/10

Abstract: A lubricating oil composition exhibiting improved flow properties, specifically low temperature flow properties, and viscometric properties, particularly low temperature viscometric properties 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 non-ethylene containing polymer or interpolymer containing pendent ester groups comprising repeating methylene units derived from mixture of aliphatic alcohols, said mixture containing at least about 25 weight percent C14 alcohol; 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-alphaolefin 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：BR9000885A

公开(公告)日：1991-02-13

申请号：BR9000885

申请日：1990-02-22

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 ,  C10M145/02

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：GB2197862B

公开(公告)日：1990-12-05

申请号：GB8622959

申请日：1986-09-24

Applicant: EXXON CHEMICAL PATENTS INC

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

IPC: C10L1/22 ,  C07C67/00 ,  C07C211/07 ,  C07C211/08 ,  C07C301/00 ,  C07C303/32 ,  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 ,  C10L10/14 ,  C10M133/00 ,  C10M135/00

Abstract: Distillate fuel boiling in the range 120 C to 500 DEG C containing 0.001 to 0.5 wt% of a compound of the general formula in which -Y-R is -SO3(-)(+)NR 3R , -SO3(-)(+)HNR 2R , -SO3(-)(+)H2NR R , -SO3(-)(+)H3NR , -SO2NR R or -SO3R ; -X-R is -Y-R or -CONR R , -CO2(-)(+)NR 3R , -CO2(-)(+)HNR 2R , -CO2 H2NR R , -CO2(-)(+)H3NR , -R -COOR1, -NR COR , -R OR , -R OCOR , -R R , -N(COR )R or Z(-)(+)NR 3R ; -Z(-) is SO3 or -CO2 ; R and R are alkyl, alkoxy alkyl or polyalkoxy alkyl containing at least 10 carbon atoms in the main chain; R is hydrocarbyl and each R may be the same or different and R 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：CA2008938A1

公开(公告)日：1990-08-31

申请号：CA2008938

申请日：1990-01-30

Applicant: ROSSI ALBERT ,  ROSENTAL CELIO ,  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 ,  C10M145/08

公开(公告)号：BR8903868A

公开(公告)日：1990-03-20

申请号：BR8903868

申请日：1989-08-01

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： SONG WON RYUL ,  ROSSI ALBERT ,  TURNER HOWARD WILLIAM ,  WELBORN HOWARD CURTIS JR ,  LUNDBERG ROBERT DEAN ,  GUTIERREZ ANTONIO ,  KLEIST ROBERT ARTHUR

IPC: C08F8/00 ,  C08F8/46 ,  C10M129/93 ,  C10M133/52 ,  C10M143/02 ,  C10M145/00 ,  C10M145/06 ,  C10M145/12 ,  C10M171/00 ,  C10N30/02 ,  C10N30/04