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:
Apr. 05, 1988
Filed:
Mar. 13, 1986
Junya Wakatsuki, Wakayama, JP;
Toru Kato, Wakayama, JP;
Tomihiro Kurosaki, Osaka, JP;
Takashi Imamura, Wakayama, JP;
Kao Corporation, Tokyo, JP;
Abstract
A process for preparing an alkali metal salt of a phosphoric ester represented by the following general formula (III): ##STR1## wherein R.sup.1 means an organic group, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 denote individually a hydrogen atom or organic group, R.sup.2 and R.sup.4 may optionally be coupled together into a ring, and M stands for an alkali metal, which comprises reacting a monoalkali metal salt of an organophosphoric monoester, represented by the following general formula (I): ##STR2## wherein R.sup.1 and M have the same meaning as defined above, with an epoxy compound represented by the following general formula (II): ##STR3## wherein R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the same meaning as defined above.