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:
Jun. 29, 1976
Filed:
Mar. 24, 1975
Applicant:
Inventors:
Karin Ulla Helmer, Solna, SW;
Alf Ragnar Reuterhall, Gustavsberg, SW;
Assignee:
Kemanord Aktiebolag, Stockholm, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21D / ; C07C / ;
U.S. Cl.
CPC ...
1062 / ; 8120 ; 8181 ; 8184 ; 260224 ; 162158 ;
Abstract
The present invention relates to a composition for the sizing of materials containing cellulosic fibers (e.g. paper) by the use of carbamoyl chlorides.
Helmer, Karin. (1976). Composition for sizing cellulose fibers (U.S. Patent No. 3966484). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3966484
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile