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. 23, 1985
Filed:
Mar. 18, 1983
Applicant:
Inventors:
Per E Hansson, Columbia, MD (US);
Felek Jachimowicz, Columbia, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08S / ;
U.S. Cl.
CPC ...
5253323 ; 5253331 ; 5253332 ; 525379 ;
Abstract
A process and product formed therefrom for imparting wet strength to cellulosic sheet materials by incorporating into the materials a polymeric product having the structural characterization of a substantially completely saturated hydrocarbon polymer chain with pendant secondary and/or tertiary alkylene amine groups and alkylene quaternary ammonium groups.
Hansson, Per. (1985). Wet strength material (U.S. Patent No. 4513121). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4513121
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile