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:
May. 29, 2001
Filed:
May. 21, 1999
Applicant:
Inventors:
Jane B. Wong Shing, Aurora, IL (US);
Chidambaram Maltesh, Naperville, IL (US);
Ramasubramanyam Nagarajan, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 2/110 ;
U.S. Cl.
CPC ...
D21H 2/110 ;
Shing, Jane B. Wong. (2001). Use of diallyldimethylammonium chloride acrylamide dispersion copolymer in a papermaking process (U.S. Patent No. 6238521). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6238521
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile