公开(公告)号：US20250059459A1

公开(公告)日：2025-02-20

申请号：US18720902

申请日：2022-12-23

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Shota KATO ,  Yukio YOSHIDA

IPC: C10M169/04 ,  C10M145/14 ,  C10M155/04 ,  C10M157/10 ,  C10N20/04 ,  C10N30/02

Abstract: A viscosity index improver composition which has an excellent viscosity index improving effect. A viscosity index improver composition which includes a poly(meth)acrylate (A) including a constituent unit (Y) derived from a monomer (y) having a diol functional group, and a poly(meth)acrylate (B) including a constituent unit (Z) derived from a monomer (z) having a boronic acid ester.

公开(公告)号：US12227471B2

公开(公告)日：2025-02-18

申请号：US17418080

申请日：2019-12-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： So Nakajima ,  Yukio Yoshida

IPC: C07C43/205 ,  C08G65/04 ,  C10M105/18 ,  C10M107/34 ,  C10M169/04 ,  C10N20/02 ,  C10N20/04 ,  C10N40/16 ,  C10N40/30

Abstract: A polyalkylene glycol-based compound may have formula (1): wherein R1 is a monovalent aromatic hydrocarbon group having 6 to 42 ring carbon atoms; R2 is a monovalent aromatic hydrocarbon group having 6 to 42 carbon atoms or a hydrogen atom; R3 is a divalent hydrocarbon group having 2 to 4 carbon atoms; and m is a number in a range of from 1 to 40.

公开(公告)号：US20250034478A1

公开(公告)日：2025-01-30

申请号：US18717104

申请日：2022-12-07

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu Han TAN ,  Tomoaki OKANO ,  Stacy HADIWIDJAJA ,  Takeshi MITOMI ,  Yosuke JIBIKI

IPC: C10M145/28 ,  C10M107/02 ,  C10M169/04 ,  C10N40/22

Abstract: A water-soluble metalworking fluid that includes a base oil (A) and an ether carboxylic acid (B) represented by general formula (b-1), where A is a C1-4 alkylene group, when multiple A are present, each A may be the same group or may be a different group, B is a single bond or a C1-4 alkylene group, n is an integer of 1-100, and R is a hydrocarbon group. The ether carboxylic acid (B) content is 0.1-10 mass % based on the total amount of the water-soluble metalworking fluid.

公开(公告)号：US20240425375A1

公开(公告)日：2024-12-26

申请号：US18828122

申请日：2024-09-09

Applicant: PPG Industries Ohio, Inc.

Inventor： Qi Ding ,  Michael J. Pawlik ,  Caitlyn B. Neidig ,  Cynthia Kutchko ,  Larry J. Ruffaner ,  Matthew W. Skinner ,  Jonathan G. Weis ,  Inanllely Y. Gonzalez ,  Hyun Wook Ro ,  Samuel L. Esarey ,  Pawel M. Krys

IPC: C01B32/194 ,  C08F26/10 ,  C08K9/00 ,  C09C1/44 ,  C09C3/04 ,  C10M125/02 ,  C10M149/10 ,  C10M161/00 ,  C10M169/04 ,  C10N20/06 ,  C10N50/00 ,  H01M4/62 ,  H01M10/0525

Abstract: Graphenic carbon nanoparticles that are dispersed in solvents through the use of dispersant resins are disclosed. The graphenic carbon nanoparticles may be milled prior to dispersion. The dispersant resins may comprise a polymeric dispersant resin comprising an addition polymer comprising the residue of a vinyl heterocyclic amide, an addition polymer comprising a homopolymer, a block (co)polymer, a random (co)polymer, an alternating (co)polymer, a graft (co)polymer, a brush (co)polymer, a star (co)polymer, a telechelic (co)polymer, or a combination thereof. The solvents may be aqueous, non-aqueous, inorganic and/or organic solvents. The dispersions are highly stable and may contain relatively high loadings of the graphenic carbon nanoparticles.

公开(公告)号：US12146117B2

公开(公告)日：2024-11-19

申请号：US17629533

申请日：2020-07-17

Applicant: ENEOS Corporation

Inventor： Satoshi Nagai

IPC: C10M169/04 ,  C09K5/04 ,  C10M129/10 ,  C10M129/16 ,  C10M129/70 ,  C10N30/12 ,  C10N40/30

Abstract: A refrigerating machine oil according to the present invention contains a lubricating base oil and alkylated hydroxyanisole, and a working fluid composition for a refrigerating machine according to the present invention contains the refrigerating machine oil and a refrigerant.

公开(公告)号：US20240368495A1

公开(公告)日：2024-11-07

申请号：US18651789

申请日：2024-05-01

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Harrison T. HAWKINS ,  Michael BLUMENFELD ,  Nilka Y. BROWN ,  Rugved P. PATHARE

IPC: C10M169/04 ,  C10M101/02 ,  C10M107/02 ,  C10M111/04 ,  C10M127/06 ,  C10M129/72 ,  C10M129/74 ,  C10M141/02 ,  C10N20/02 ,  C10N30/02 ,  C10N30/04 ,  C10N30/10 ,  C10N30/12 ,  C10N30/18 ,  C10N40/04

Abstract: Gear oil compositions including a first oil basestock and a second basestock. The first basestock includes a Group II bright stock having a kinematic viscosity (ASTM D445, 40° C.) of from 250 mm2/s to 600 mm2/s, a kinematic viscosity (ASTM D445, 100° C.) of from 20 mm2/s to 70 mm2/s, a viscosity index (ASTM D2270) of from 80 to 120, and a pour point (ASTM D97) of from −50° C. to −20° C. The second basestock includes a polyalphaolefin (PAO) basestock having a kinematic viscosity (ASTM D445, 40° C.) of from 500 mm2/s to 3500 mm2/s, a kinematic viscosity (ASTM D445, 100° C.) of from 60 mm2/s to 300 mm2/s, a viscosity index (ASTM D2270) of from 150 to 250, and a pour point (ASTM D97) of from −50° C. to −20° C.

公开(公告)号：US20240336864A1

公开(公告)日：2024-10-10

申请号：US18410284

申请日：2024-01-11

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Namkeun OH ,  Jung Hyun PARK ,  Dohwan KIM ,  Sanghyun JI ,  Donghoon LEE ,  Dooseub SHIN ,  Ju Ho KIM

IPC: C10M169/04 ,  C10M107/28 ,  C10M109/00 ,  C10M111/06 ,  C10M125/02 ,  C10M125/22 ,  C10M125/26

CPC classification number: C10M169/04 ,  C10M107/28 ,  C10M109/00 ,  C10M111/06 ,  C10M125/02 ,  C10M125/22 ,  C10M125/26 ,  C10M2201/041 ,  C10M2201/084 ,  C10M2201/103 ,  C10M2201/105 ,  C10M2201/14 ,  C10M2209/0845 ,  C10N2020/06 ,  C10N2040/02

Abstract: A liquid crystalline resin composition including a liquid crystalline resin, an olefin-based copolymer, a micro filler having an average particle diameter (D50) of 3 μm or less, and a carbon-based filler, wherein a content of the micro filler is 6 to 20 wt % based on a total weight of the liquid crystalline resin composition, and an aspect ratio of the micro filler is 6 or less, and wherein a content of the olefin-based copolymer is 3 to 10 wt % based on the total weight of the liquid crystalline resin composition.

公开(公告)号：US12110467B2

公开(公告)日：2024-10-08

申请号：US18041132

申请日：2021-09-06

Applicant: SHELL OIL COMPANY

Inventor： Kengo Suzuki

IPC: C10M125/10 ,  C10M125/24 ,  C10M169/04 ,  C10N20/00 ,  C10N20/06 ,  C10N30/06

CPC classification number: C10M125/10 ,  C10M125/24 ,  C10M169/04 ,  C10M2201/062 ,  C10M2201/085 ,  C10M2203/003 ,  C10M2223/06 ,  C10N2020/06 ,  C10N2020/061 ,  C10N2030/06

Abstract: The invention provides a lubricating oil composition comprising: a base oil; and coated particles made of nanoparticles and phosphonic acid coating at least a portion of the surface of the nanoparticles.

公开(公告)号：US12104137B2

公开(公告)日：2024-10-01

申请号：US18040165

申请日：2021-09-01

Applicant: SHELL OIL COMPANY

Inventor： Priyanka Subhash Desai ,  Mark Clift Southby

IPC: C10M169/04 ,  C10M107/00 ,  C10M133/56 ,  C10M141/00 ,  C10N20/00 ,  C10N20/02 ,  C10N20/04 ,  C10N30/00 ,  C10N30/02 ,  C10N30/04 ,  C10N40/25

CPC classification number: C10M169/04 ,  C10M107/00 ,  C10M133/56 ,  C10M141/00 ,  C10M2205/04 ,  C10M2205/06 ,  C10M2205/173 ,  C10M2209/084 ,  C10M2215/28 ,  C10M2217/023 ,  C10N2020/02 ,  C10N2020/04 ,  C10N2020/071 ,  C10N2030/02 ,  C10N2030/04 ,  C10N2030/54 ,  C10N2040/25

Abstract: The present invention provides an engine oil composition including 70 to 95 percent by weight of a base oil and 0.01 to 15 percent by weight of a dispersant comb polymer, based on the overall weight of the engine oil composition. The dispersant comb polymer consists of 13.7% by weight of a macromonomer, which is an ester of methacrylic acid and a hydroxylated hydrogenated polybutadiene with Mn of 4750 g/mol; 51.5% by weight of n-butyl methacrylate; 17.3% by weight of LMA; 11.2% by weight of styrene; 0.2% by weight of methyl methacrylate; and 6.10% by weight of N,N-dimethylaminoethyl methacrylate. The modified dispersant inhibitor package contains 30 wt % or less of succinimide type dispersant based on the overall weight of the modified dispersant inhibitor additive package, and the engine oil composition has an SAE viscosity grade of 0W-X, wherein X is 30 or less.

公开(公告)号：US20240318096A1

公开(公告)日：2024-09-26

申请号：US18260800

申请日：2022-03-22

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kenji SUNAHARA

IPC: C10M169/04 ,  C10M101/02 ,  C10M107/34 ,  C10M111/04 ,  C10M145/14 ,  C10M171/02 ,  C10N20/00 ,  C10N20/02 ,  C10N30/02 ,  C10N40/25

CPC classification number: C10M169/041 ,  C10M2203/1025 ,  C10M2207/2815 ,  C10M2209/084 ,  C10M2209/1045 ,  C10M2290/02 ,  C10N2020/02 ,  C10N2020/071 ,  C10N2020/085 ,  C10N2030/02 ,  C10N2030/74 ,  C10N2040/25

Abstract: A lubricating oil composition that is hard to increase in viscosity in the low temperature range and is easy to increase in viscosity in the high temperature range. The lubricating oil composition contains a base oil and a viscosity index improver. The base oil contains a mineral oil and an oxygen-containing synthetic oil. The viscosity index improver contains a comb-shaped polymer. The lubricating oil composition has a kinematic viscosity of 100° C. of 9.3 mm2/s or less, a viscosity index of 280 or more, and a content Y (% by mass) of the oxygen-containing synthetic oil based on the total amount of the lubricating oil composition satisfying the following expression (1): α≤Y