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:
Sep. 21, 1993
Filed:
Oct. 28, 1992
Applicant:
Inventors:
David A Aston, Oakville, CA;
John K Hochu, Mississauga, CA;
Assignee:
Dearborn Chemical Company Limited, Mississauga, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F / ;
U.S. Cl.
CPC ...
162199 ; 162D / ;
Abstract
A method for the control of pitch in paper making machine dryer fabrics or equipment which are not in continuous contact with process water comprising applying to the fabrics or equipment, a water-soluble or water-dispersible cationic polymer and a water-soluble or water dispersible anionic aromatic polymer.
Aston, David. (1993). Pitch control (U.S. Patent No. 5246548). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5246548
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile