The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 1986
Filed:
Feb. 11, 1985
Tomihiro Kurosaki, Osaka, JP;
Mitsuharu Masuda, Wakayama, JP;
Kao Corporation, Tokyo, JP;
Abstract
A phosphoric ester of the following formula (I): ##STR1## in which R.sub.1 represents a saturated or unsaturated, linear or branched and substituted or unsubstituted hydrocarbon group having from 8 to 32 carbon atoms, R.sub.2, R.sub.3 and R.sub.4 are the same or different and represent a saturated or unsaturated hydrocarbon group having from 1 to 4 carbon atoms, R.sub.5 represents a hydrogen atom, a saturated or unsaturated hydrocarbon group having from 1 to 4 carbon atoms, and n is an integer of from 0 to 50. The above novel phosphoric acid ester has excellent detergent performance with very low irritations to living body. A manufacturing method of the ester is also disclosed. According to the method, the ester can be prepared from inexpensive, readily available starting materials by a simple procedure in high purity and high yield.