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:
Feb. 01, 2000
Filed:
Jan. 20, 1999
Applicant:
Inventor:
Frederick L Kurrle, Laurel, MD (US);
Assignee:
Westvaco Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F / ; G07D / ; D21H / ;
U.S. Cl.
CPC ...
162140 ; 162141 ; 162142 ; 162149 ; 162198 ; 73 5303 ; 283 70 ; 283 72 ;
Abstract
An authenticable paper product is prepared from a bleached chemical papermaking furnish containing a minor but detectable amount of lignin containing fibers selected from the group consisting of mechanical, thermomechanical, chemi-thermomechanical and bleached-chemi-thermomechanical.
Quick Actions:
Kurrle, Frederick. (2000). Authenticatable bleached chemical paper products (U.S. Patent No. 6019872). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6019872
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile