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:
May. 19, 1987
Filed:
Feb. 20, 1986
Applicant:
Inventors:
Kinya Yokota, Shiga, JP;
Akinobu Ichihara, Kameoka, JP;
Yasuharu Tanakamaru, Kyoto, JP;
Yoshio Takahashi, Yokosuka, JP;
Assignees:
Dai-chi Kogyuo Seiyaku Co., Ltd., both of, JP;
Mitsubishi Oil Co., Ltd., both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
106213 ; 162158 ; 25217421 ;
Abstract
A composition useful as a paper sizing agent comprising a substituted succinic anhydride of the formula: ##STR1## wherein R is a hydrocarbon group having at least 6 carbon atoms selected from the group consisting of an alkyl group, an alkenyl group, an aralkyl group or an aralkenyl group,
Yokota, Kinya. (1987). Sizing agent suitable for use in paper making (U.S. Patent No. 4666523). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4666523
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile