Liquid biodegradable surfactant and use thereof
US4668423A · kind A · utility
28Cited by
7References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 19, 1985 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Apr 19, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/722
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Liquid biodegradable surfactant having oxyethylene and oxypropylene groups attached to the residue of an alcohol having a minimum iodine value of at least 40 wherein the ratio of oxyethylene groups to oxypropylene groups is at least 4:1, and the total moles of oxyethylene and oxypropylene groups is about 9 to about 10 moles per mole of the alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.