Phosphoric acid ester, process for preparing the same, and detergent composition containing the same
US4985412A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1988 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Oct 21, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/886
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Phosphoric acid esters represented by the following formulae (I) and (IX) as well as processes for preparing them are disclosed. ##STR1## wherein R.sub.1 represents a linear or branched, alkyl or alkenyl group having a C.sub.1-36 carbon atom content, with or without the hydrogen atom(s) being substituted with fluorine atom(s), or a phenyl group with substituted linear or branched alkyl group(s) having a C.sub.1-15 carbon atom content, R.sub.2 represents an alkylene group having a C.sub.2-3 carbon atom content, R.sub.3 and R.sub.4 independently denote a hydrogen atom or an alkyl group having a C.sub.1-3 carbon atom content, R.sub.5 and R.sub.6 independently denote a hydrogen atom, or an alkyl, alkenyl, or phenyl group with or without the hydrogen atom(s) being substituted with group(s) containing hetero atom(s), excepting for a mercapto group, R.sub.7 and R.sub.8 independently denote a hydrogen atom, or an alkyl, or alkenyl group, m is an integer of 0-30, n is an integer of 0-5, l is an integer of 0-3, M is a hydrogen atom, an alkali metal, an alkali earth metal, on ammonium group, an alkyl amine group, or an alkanol amine group. The phosphoric acid ester have outstanding surface ac…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.