Patent · US Active

Antioxidant composition for motor gasoline

US7470292B2 · kind B2 · utility

0Cited by

3References

3Claims

0Family size

Assignee

Indian Oil Corporation Limited · IN

Inventors

Anurag Gupta · Clifton Park, US
Suresh Kumar Puri · Faridabad, IN
Subhash Chand · Faridabad, IN
Vinod Kumar Sharma · Faridabad, IN
Rajagopal Manoharan · Faridabad, IN
Rameshwar Prashad · Faridabad, IN
Niranjan Raghunath Raje · New Delhi, IN
Akhilesh Kumar Bhatnagar · Faridabad, IN

Key dates

Filing date	Aug 20, 2004
Grant date	Dec 30, 2008
Priority date	—
Expiry date	Jul 10, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10L1/238
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An antioxidant composition effective for stabilizing gasoline and gasoline components contains from approximately 50-95% by weight of at least one Mannich base and from approximately 5-50% by weight of at least one amine. The Mannich base is derived from p-substituted phenols or from cashew nut shell liquid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.