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:
Oct. 19, 1993
Filed:
Nov. 23, 1992
Applicant:
Inventors:
Peter Lowry, Suffolk, VA (US);
David Farrar, West Yorkshire, GB;
Assignee:
Allied Colloids Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
1621682 ; 1621683 ; 162183 ;
Abstract
The use of very high molecular weight polymers which are substantially completely water soluble as flocculants in paper making improves drainage time without adversely affecting formation, even when used in high shear processes.
Lowry, Peter. (1993). Processes for the production of paper and paper board (U.S. Patent No. 5254221). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5254221
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile