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. 02, 1991
Filed:
Jul. 18, 1989
Applicant:
Inventors:
Tutomu Yoshida, Osaka, JP;
Shigeharu Iida, Osaka, JP;
Assignee:
Daikin Industries Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558131 ; 558204 ;
Abstract
A di(fluoroalkyl containing group-substituted alkyl) phosphate salt which is useful for a surface active agent, a water- and/or oil-repellent for fiber or paper or an oil resistant agent, can be prepared a process which comprises hydrolyzing a mono-sec.- or tert.-alkyl (di(fluoroalkyl containing group-substituted alkyl) phosphate with a base.
Yoshida, Tutomu. (1991). Process for preparing di(fluoroalkyl containing group-substituted alkyl) (U.S. Patent No. 5004825). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5004825
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile