公开(公告)号：AT169938T

公开(公告)日：1998-09-15

申请号：AT93920564

申请日：1993-03-17

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  CHANDLER JOHN EARL ,  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 ,  C08F210/14

Abstract: 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：AT164879T

公开(公告)日：1998-04-15

申请号：AT94919964

申请日：1993-12-14

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： EMERT JACOB ,  ROSSI ALBERT ,  REA SALVATORE ,  FREDERICK JEFFREY WILLIAM ,  KIM MAHN WON

IPC: C10M129/92 ,  C08F8/00 ,  C08F210/08 ,  C08F210/16 ,  C10M129/95 ,  C10M133/52 ,  C10M133/56 ,  C10M143/06 ,  C10M157/00 ,  C10M159/16 ,  C10N20/00 ,  C10N20/04 ,  C10N30/02 ,  C10N30/04

公开(公告)号：AU3385597A

公开(公告)日：1998-01-07

申请号：AU3385597

申请日：1997-06-11

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： STOKES JAMES PETER ,  STANAT JON EDMOND ,  SHER JAIMES ,  GINDELBERGER DAVID EDWARD ,  EMERT JACOB ISAAC ,  ROSSI ALBERT

IPC: C10M143/00 ,  C08F2/00 ,  C08F4/642 ,  C08F8/00 ,  C08F10/00 ,  C08F10/02 ,  C08F110/14 ,  C08F210/14 ,  C08F216/38 ,  C08F220/12 ,  C10L1/16 ,  C10L1/195 ,  C10L1/196 ,  C10L1/198 ,  C10L1/236 ,  C10L1/238 ,  C10L1/24 ,  C10L1/26 ,  C10L1/30 ,  C10L10/00 ,  C10M129/93 ,  C10M129/95 ,  C10M133/52 ,  C10M143/08 ,  C10M149/02 ,  C10M157/00 ,  C10M159/16 ,  C10M171/00

Abstract: Polymers (including copolymers) derived from one or more olefins, such including ethylene and C3-C20 alpha-olefins such as propylene and 1-butene, which polymers have (a) an average ethylene sequence length, ESL, of from, about 1.0 to less than about 3.0; (b) an average of at least 5 branches per 100 carbon atoms of the polymer chains comprising the polymer; (c) at least about 50% of said branches being methyl and/or ethyl branches; (d) at least about 30% of said polymer chains terminated with a vinyl or vinylene group; (e) a number average molecular weight, Mn, of from about 300 to about 15,000 when the polymer is intended for dispersant or wax crystal modifier uses and up to about 500,000 where intended for viscosity modifier uses; and (f) substantial solubility in hydrocarbon and/or synthetic base oil. The polymers are produced using late-transition-metal catalyst systems and, preferably, inexpensive, highly dilute refinery or steam cracker feed streams that have undergone only limited clean-up steps. Fuel and lubricating oil additives, particularly dispersants, wax crystal modifiers and flow improvers, are produced. Where functionalization and derivatization of these polymers is required for such additives it is facilitated by the olefinic structures available in the polymer chains.

公开(公告)号：CA2257844A1

公开(公告)日：1997-12-24

申请号：CA2257844

申请日：1997-06-11

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： EMERT JACOB ISAAC ,  ROSSI ALBERT ,  STANAT JON EDMOND ,  GINDELBERGER DAVID EDWARD ,  STOKES JAMES PETER ,  SHER JAIMES

IPC: C08F8/00 ,  C08F10/00 ,  C10M143/00

Abstract: Polymers (including copolymers) derived from one or more olefins, such including ethylene and C3-C20 .alpha.-olefins such as propylene and 1-butene, which polymers have (a) an average ethylene sequence length, ESL, of from about 1.0 to less than about 3.0; (b) an average of at least 5 branches per 100 carbon atoms of the polymer chains comprising the polymer; (c) at least about 50 % of said branches being methyl and/or ethyl branches; (d) at least about 30 % of said polymer chains terminated with a vinyl or vinylene group; (e) a number average molecular weight, Mn, or from about 300 to about 15,000 when the polymer is intended for dispersant or wax crystal modifier uses and up to about 500,000 where intended for viscosity modifier uses; and (f) substantial solubility in hydrocarbon and/or synthetic base oil. The polymers are produced using late-transition-metal catalyst systems and, preferably, inexpensive, highly dilute refinery or steam cracker feed streams that have undergone only limited clean-up steps. Fuel and lubricating oil additives, particularly dispersants, wax crystal modifiers and flow improvers, are produced. Where functionalization and derivatization of these polymers is required for such additives it is facilitated by the olefinic structures available in the polymer chains.

公开(公告)号：AU2771195A

公开(公告)日：1996-01-04

申请号：AU2771195

申请日：1995-06-09

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  EMERT JACOB ISAAC ,  THALER WARREN ALAN

IPC: C10L1/192 ,  C08F8/00 ,  C10L1/18 ,  C10L1/195 ,  C10L1/198 ,  C10L1/22 ,  C10L1/238 ,  C10L1/30 ,  C10L10/08 ,  C10L10/18 ,  C10M129/92 ,  C10M129/93 ,  C10M129/95 ,  C10M133/52 ,  C10M139/00 ,  C08F8/32

Abstract: Oil-soluble dispersant additives are disclosed. The additives comprise the reaction product of a functionalized 1-butene copolymer and at least one nucleophilic reactant selected from amines, amino alcohols, alcohols, and reactive metal compounds. The functionalized copolymer has within its structure at least one acyl functional group selected from the group consisting of C4 to C10 dicarboxylic acids and derivatives thereof and C3 to C10 monocarboxylic acids and derivatives thereof. The 1-butene copolymer is derived from 1-butene and at least one other alpha -olefin of formula CH2=CHR', wherein R' is methyl or a C3 to C12 linear or branched alkyl group. The copolymer has a number average molecular weight of at least about 700, a molecular weight distribution of less than 5, and ethenylidene groups terminating at least about 30% of all polymer chains. The dispersant additives are useful in oleaginous compositions including lubricating oil compositions and concentrates and fuel compositions.

公开(公告)号：AU2702695A

公开(公告)日：1996-01-04

申请号：AU2702695

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

公开(公告)号：LV10966A

公开(公告)日：1995-12-20

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：CA2189793A1

公开(公告)日：1995-12-14

申请号：CA2189793

申请日：1995-06-09

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  EMERT JACOB ISAAC ,  THALER WARREN ALAN

IPC: C10L1/192 ,  C08F8/00 ,  C10L1/18 ,  C10L1/195 ,  C10L1/198 ,  C10L1/22 ,  C10L1/238 ,  C10L1/30 ,  C10L10/08 ,  C10L10/18 ,  C10M129/92 ,  C10M129/93 ,  C10M129/95 ,  C10M133/52 ,  C10M139/00 ,  C10M159/12 ,  C10M133/06 ,  C10M145/10

Abstract: Oil-soluble dispersant additives are disclosed. The additives comprise the reaction product of a functionalized 1-butene copolymer and at least one nucleophilic reactant selected from amines, amino alcohols, alcohols, and reactive metal compounds. The functionalized copolymer has within its structure at least one acyl functional group selected from the group consisting of C4 to C10 dicarboxylic acids and derivatives thereof and C3 to C10 monocarboxylic acids and derivatives thereof. The 1-butene copolymer is derived from 1-butene and at least one other .alpha.-olefin of the formula CH2=CHR', wherein R' is methyl or a C3 to C12 linear or branched alkyl group. The copolymer has a number average molecular weight of at least about 700, a molecular weight distribution of less than 5, and ethenylidene groups terminating at least about 30 % of all polymer chains. The dispersant additives are useful in oleaginous compositions including lubricating oil compositions and concentrates and fuel compositions.

公开(公告)号：ZA939408B

公开(公告)日：1995-06-15

申请号：ZA939408

申请日：1993-12-15

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  REA SALVATORE ,  STANAT JON EDMOND ,  WRIGHT LINDA KEY ,  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 ,  C08G ,  C08J

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：ZA9309408B

公开(公告)日：1995-06-15

申请号：ZA9309408

申请日：1993-12-15

Applicant: EXXON CHEMICAL PATENTS INC

Inventor： ROSSI ALBERT ,  REA SALVATORE ,  STANAT JON EDMOND ,  WRIGHT LINDA KEY ,  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 ,  C08G ,  C08J

CPC classification number: C08F210/16 ,  B01J8/382 ,  B01J19/18 ,  B01J2219/00103 ,  B01J2219/00108 ,  B01J2219/00768 ,  Y02P20/582 ,  Y10S526/943 ,  C08F2/06 ,  C08F2500/03 ,  C08F2500/02