公开(公告)号：US11773343B2

公开(公告)日：2023-10-03

申请号：US17528986

申请日：2021-11-17

Applicant: AFTON Chemical Corporation

Inventor： Kenneth Garelick ,  Todd Dvorak ,  Mark Devlin

IPC: C10M137/10 ,  C10M143/02 ,  C10M143/04 ,  C10M169/04 ,  C10M125/22 ,  C10N40/25 ,  C10N10/04 ,  C10N20/04 ,  C10N20/02 ,  C10N30/02 ,  C10N30/04 ,  C10N30/00 ,  C10N30/08

CPC classification number: C10M137/10 ,  C10M125/22 ,  C10M143/02 ,  C10M143/04 ,  C10M169/04 ,  C10M2201/06 ,  C10M2205/022 ,  C10M2205/024 ,  C10M2223/045 ,  C10N2010/04 ,  C10N2020/02 ,  C10N2020/04 ,  C10N2030/02 ,  C10N2030/04 ,  C10N2030/08 ,  C10N2030/54 ,  C10N2030/68 ,  C10N2040/25

Abstract: The present disclosure relates to methods of improving viscosity shear stability of a lubricating oil and lubricating oil composition comprising:



a base oil of lubricating viscosity;
an amount of one or more zinc dialkyl dithiophosphate compound(s);

wherein the lubricating oil composition has one or both of the following ratios:

a) a ratio of KV40° C.fresh to a weight % of zinc contributed by the one or more zinc dialkyl dithiophosphate compound(s) based on a total weight of the lubricating oil composition, of greater than 510, wherein KV40° C.fresh is the kinematic viscosity of the fresh lubricating oil composition at 40° C.; and
b) a ratio of KV40° C.fresh to a weight % of phosphorus contributed by the one or more zinc dialkyl dithiophosphate compound(s) based on a total weight of the lubricating oil composition, of greater than 560, wherein KV40° C.fresh is the kinematic viscosity of the fresh lubricating oil composition at 40° C.

公开(公告)号：US11898119B2

公开(公告)日：2024-02-13

申请号：US17584089

申请日：2022-01-25

Applicant: AFTON CHEMICAL CORPORATION

Inventor： Todd Dvorak ,  Kenneth Garelick ,  Mark Devlin

IPC: C10M169/04 ,  C10M137/10 ,  C10M143/04 ,  C10M161/00 ,  C10N40/25 ,  C10N20/00

CPC classification number: C10M169/044 ,  C10M137/10 ,  C10M143/04 ,  C10M161/00 ,  C10M2203/003 ,  C10M2205/024 ,  C10M2223/045 ,  C10N2020/019 ,  C10N2040/25

Abstract: A lubricating oil composition comprising greater than 50 wt. % of a base oil of lubricating viscosity, and an additive composition comprising: an amount of one or more zinc dialkyl dithiophosphates (ZDDP compounds) and an amount of one or more viscosity modifiers, wherein an amount of phosphorus (P) in weight percent provided to the lubricating oil composition by the one or more ZDDP compounds divided by the amount of the one or more viscosity modifiers (VM) in weight percent based on a total weight of the lubricating oil composition is a P/VM quotient of more than about 0.0075. The lubricating oil composition can improve resistance to engine deposits and extend oil drain intervals of an internal combustion engine.

公开(公告)号：US11851628B2

公开(公告)日：2023-12-26

申请号：US17558168

申请日：2021-12-21

Applicant: AFTON CHEMICAL CORPORATION

Inventor： Mark Devlin ,  Kenneth Garelick ,  Todd Dvorak

IPC: C10M137/10 ,  C10M143/06 ,  C10M169/04 ,  C10N10/04 ,  C10N40/25 ,  C10N30/04 ,  C10N30/00 ,  C10N30/10 ,  C10N20/02

CPC classification number: C10M137/10 ,  C10M143/06 ,  C10M169/044 ,  C10M2205/026 ,  C10M2223/045 ,  C10N2010/04 ,  C10N2020/02 ,  C10N2030/041 ,  C10N2030/10 ,  C10N2030/22 ,  C10N2030/52 ,  C10N2030/54 ,  C10N2040/25

Abstract: A lubricating oil composition comprising greater than 50 wt. % of a base oil of lubricating viscosity, and either: a) an additive composition comprising: one or more zinc dialkyl dithiophosphates (ZDDP compounds) and one or more dispersants, wherein the amount of zinc (Zn) in weight percent provided to the lubricating oil composition by the one or more ZDDP compounds multiplied by the contribution of the total base number (TBN) of the one or more dispersants to the TBN of the lubricating oil composition is a multiplication factor Zn*TBNDisp of at least about 0.06; or b) an additive composition comprising: one or more zinc dialkyl dithiophosphates (ZDDP compounds) and one or more dispersants, wherein the amount of phosphorus (P) in weight percent provided to the lubricating oil composition by the one or more ZDDP compounds multiplied by the contribution of the total base number (TBN) of the one or more dispersants to the TBN of the lubricating oil composition is a multiplication factor P*TBNDisp of at least about 0.051.

公开(公告)号：US20230193151A1

公开(公告)日：2023-06-22

申请号：US17558168

申请日：2021-12-21

Applicant: AFTON CHEMICAL CORPORATION

Inventor： Mark Devlin ,  Kenneth Garelick ,  Todd Dvorak

IPC: C10M137/10 ,  C10M143/06 ,  C10M169/04

CPC classification number: C10M137/10 ,  C10M143/06 ,  C10M169/044 ,  C10M2205/026 ,  C10M2223/045 ,  C10N2010/04

Abstract: A lubricating oil composition comprising greater than 50 wt.% of a base oil of lubricating viscosity, and either: a) an additive composition comprising: one or more zinc, dialkyl dithiophosphates (ZDDP compounds) and one or more dispersants, wherein the amount of zinc (Zn) in weight percent provided to the lubricating oil composition by the one or more ZDDP compounds multiplied by the contribution of the total base number (TEN) of the one or more dispersants to the TEN of the lubricating oil composition is a multiplication factor Zn*TBNDisp of at least about 0.06; or b) an additive composition comprising: one or more zinc dialkyl dithiophosphates (ZDDP compounds) and one or more dispersants, wherein the amount of phosphorus (P) in weight percent provided to the lubricating oil composition by the one or more ZDDP compounds multiplied by the contribution of the total base number (TBN) of the one or more dispersants to the TBN of the lubricating oil composition is a multiplication factor P*TBNDisp of at least about 0.051.

公开(公告)号：US11788027B2

公开(公告)日：2023-10-17

申请号：US17675930

申请日：2022-02-18

Applicant: AFTON CHEMICAL CORPORATION

Inventor： Todd Dvorak ,  Kenneth Garelick ,  Mark Devlin

IPC: C10M169/04 ,  C10M129/74 ,  C10M137/10 ,  C10M141/10 ,  C10M143/06 ,  C10M155/00 ,  C10M157/10 ,  C10M161/00 ,  C10N20/04 ,  C10N30/04 ,  C10N40/25

CPC classification number: C10M169/044 ,  C10M129/74 ,  C10M137/10 ,  C10M141/10 ,  C10M143/06 ,  C10M155/00 ,  C10M157/10 ,  C10M161/00 ,  C10M2203/003 ,  C10M2205/026 ,  C10M2207/283 ,  C10M2223/045 ,  C10M2229/00 ,  C10N2020/04 ,  C10N2030/04 ,  C10N2040/25

Abstract: A lubricating oil composition comprising greater than 50 wt. % of a base oil of lubricating viscosity; an amount of one or more ester(s) of a polyhydric alcohol; an amount of one or more boron-containing dispersant(s); wherein a ratio of the amount of the one or more ester(s) of a polyhydric alcohol in weight percent provided to the lubricating oil composition, to an amount of boron in weight percent provided by the one or more boron-containing dispersant(s), based on the total weight of the lubricating oil composition is less than 40. The lubricating oil composition has improved corrosion performance in an engine or other mechanical components lubricated with the lubricating oil.

公开(公告)号：US20230265356A1

公开(公告)日：2023-08-24

申请号：US17675930

申请日：2022-02-18

Applicant: AFTON CHEMICAL CORPORATION

Inventor： Todd Dvorak ,  Kenneth Garelick ,  Mark Devlin

IPC: C10M169/04 ,  C10M129/74 ,  C10M137/10 ,  C10M141/10 ,  C10M143/06 ,  C10M155/00 ,  C10M157/10 ,  C10M161/00

CPC classification number: C10M169/044 ,  C10M129/74 ,  C10M137/10 ,  C10M141/10 ,  C10M143/06 ,  C10M155/00 ,  C10M157/10 ,  C10M161/00 ,  C10M2203/003 ,  C10M2207/283 ,  C10M2223/045 ,  C10M2205/026 ,  C10M2229/00 ,  C10N2030/04

Abstract: A lubricating oil composition comprising greater than 50 wt. % of a base oil of lubricating viscosity; an amount of one or more ester(s) of a polyhydric alcohol; an amount of one or more boron-containing dispersant(s); wherein a ratio of the amount of the one or more ester(s) of a polyhydric alcohol in weight percent provided to the lubricating oil composition, to an amount of boron in weight percent provided by the one or more boron-containing dispersant(s), based on the total weight of the lubricating oil composition is less than 40. The lubricating oil composition has improved corrosion performance in an engine or other mechanical components lubricated with the lubricating oil.

公开(公告)号：US20230235243A1

公开(公告)日：2023-07-27

申请号：US17584089

申请日：2022-01-25

Applicant: AFTON CHEMICAL CORPORATION

Inventor： Todd Dvorak ,  Kenneth Garelick ,  Mark Devlin

IPC: C10M169/04 ,  C10M137/10 ,  C10M143/04 ,  C10M161/00

CPC classification number: C10M169/044 ,  C10M137/10 ,  C10M143/04 ,  C10M161/00 ,  C10M2203/003 ,  C10M2223/045 ,  C10M2205/024 ,  C10N2020/019

Abstract: A lubricating oil composition comprising greater than 50 wt. % of a base oil of lubricating viscosity, and an additive composition comprising: an amount of one or more zinc dialkyl dithiophosphates (ZDDP compounds) and an amount of one or more viscosity modifiers, wherein an amount of phosphorus (P) in weight percent provided to the lubricating oil composition by the one or more ZDDP compounds divided by the amount of the one or more viscosity modifiers (VM) in weight percent based on a total weight of the lubricating oil composition is a PNM quotient of more than about 0.0075. The lubricating oil composition can improve resistance to engine deposits and extend oil drain intervals of an internal combustion engine.

公开(公告)号：US20230151292A1

公开(公告)日：2023-05-18

申请号：US17528986

申请日：2021-11-17

Applicant: AFTON Chemical Corporation

Inventor： Kenneth Garelick ,  Todd Dvorak ,  Mark Devlin

IPC: C10M137/10 ,  C10M125/22 ,  C10M143/02 ,  C10M143/04 ,  C10M169/04

CPC classification number: C10M137/10 ,  C10M125/22 ,  C10M143/02 ,  C10M143/04 ,  C10M169/04 ,  C10M2205/022 ,  C10M2205/024 ,  C10M2223/045 ,  C10M2201/06 ,  C10N2010/04

Abstract: The present disclosure relates to methods of improving viscosity shear stability of a lubricating oil and lubricating oil composition comprising:



a base oil of lubricating viscosity;
an amount of one or more zinc dialkyl dithiophosphate compound(s);

wherein the lubricating oil composition has one or both of the following ratios:

a) a ratio of KV40° C.fresh to a weight % of zinc contributed by the one or more zinc dialkyl dithiophosphate compound(s) based on a total weight of the lubricating oil composition, of greater than 510, wherein KV40° C.fresh is the kinematic viscosity of the fresh lubricating oil composition at 40° C.; and
b) a ratio of KV40° C.fresh to a weight % of phosphorus contributed by the one or more zinc dialkyl dithiophosphate compound(s) based on a total weight of the lubricating oil composition, of greater than 560, wherein KV40° C.fresh is the kinematic viscosity of the fresh lubricating oil composition at 40° C.