Patent · US Expired

Surfactant composition including ethoxylate of CNSL

US7427303B2 · kind B2 · utility

4Cited by

5References

23Claims

0Family size

Assignee

Indian Oil Corporation Limited · IN

Inventors

Rakesh Sarin · Faridabad, IN
Deepak Kumar Tuli · Faridabad, IN
Shanti Parkash · Manesar, IN
Krishan Kumar Swami · Faridabad, IN
Rajiv Ranjan · Faridabad, IN
Ram Prakash Verma · Mumbai, IN
Niranjan Raghunath Raje · New Delhi, IN
Akhilesh Kumar Bhatnagar · Faridabad, IN

Key dates

Filing date	Aug 27, 2002
Grant date	Sep 23, 2008
Priority date	—
Expiry date	Jul 15, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10L1/2456
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates a surfactant composition for use as an emulsifier in water blended fuel mixture. The said composition includes ethoxylate of cashew nut shell liquid. In addition ethoxylate of cashew nut shell liquid, the said composition comprises a co-surfactant having a hydrophilic lipophilic balance in the range of 4 to 12 and a polymeric dispersant. The water blended fuel mixture using emulsifiers of the present invention, overcome some of the shortcomings of the previously known emulsions. The ethoxylate of cashew nut shell liquid is of the formula (I).

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