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:
Nov. 07, 2000
Filed:
Dec. 16, 1998
Applicant:
Inventors:
Harro Traubel, Leverkusen, DE;
Hans-Josef Laas, Cologne, DE;
Helmut Reiff, Leverkusen, DE;
Joachim Konig, Odenthal, DE;
Jurgen Reiners, Leverkusen, DE;
Harald Faika, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162158 ; 162135 ; 1621646 ;
Abstract
The novel AOX-free process for imparting wet strength to paper with water-dispersible polyisocyanates is distinguished by a good wet-strength effect, even under mild drying conditions, and does not affect the activity of optical brighteners used at the same time.
Quick Actions:
Traubel, Harro. (2000). Process for imparting wet strength to paper (U.S. Patent No. 6143132). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6143132
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile