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:
Aug. 01, 1995
Filed:
Jun. 21, 1993
Applicant:
Inventors:
Tsuyoshi Ikeda, Ichihara, JP;
Kiyoshi Iwai, Ichihara, JP;
Koji Ohta, Ichihara, JP;
Satoshi Hyuga, Ichihara, JP;
Masatoshi Hotta, Ichihara, JP;
Assignee:
Japan PMC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524272 ; 524548 ; 524555 ;
Abstract
The present invention provides a paper sizing composition comprising a rosin material and cationic acrylamide and/or methacrylamide polymers having hydrophobic groups wherein said rosin material is directly emulsified in water with said polymers. The sizing composition has an improved storage stability and exhibits an excellent sizing performance in the acidic through neutral pH range.
Ikeda, Tsuyoshi. (1995). Paper sizing composition (U.S. Patent No. 5438087). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5438087
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile