Friction modifier and transmission oil

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8497232
APP PUB NO 20110028364A1
SERIAL NO

12846708

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A bis-type alkenyl-substituted succinimide which is prepared by reaction of succinic anhydride substituted with 2-alkenyl group having a branch structure in β-position with alkylenepolyamine and its derivatives derived from the bis-type alkenyl-substituted succinimide by post-treatment are of value as friction modifiers, particularly for incorporation into lubricating oils for automatic transmissions.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CHEVRON JAPAN LTD6001 BOLLINGER CANYON ROAD P O BOX 6006 SAN RAMON CA 94583-0806

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fuchi, Masami Makinohara, JP 47 311
Nakagawa, Takahiro Yoshida-Cyo, JP 47 700
Shiga, Michio Hiratsuka, JP 7 26
Shrestha, Kedar Shanker Kakegawa, JP 1 3

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 30, 2025
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00