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. 18, 1998
Applicant:
Inventors:
John Klier, Midland, MI (US);
Thomas H Kalantar, Midland, MI (US);
Christopher J Tucker, Bay City, MI (US);
Erin D O'Driscoll, Midland, MI (US);
Andrew T Graham, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08J / ; C08J / ;
U.S. Cl.
CPC ...
524556 ; 5253302 ; 525387 ; 5253295 ; 5253296 ;
Abstract
A water-soluble polymer having a low polydispersity index and controlled molecular weight can be prepared by oxidative degradation and shearing of a water-swellable crosslinked polymer or by hydrolysis of the crosslinked polymer to a high molecular weight soluble polymer, followed by oxidative degradation of the high molecular weight polymer.
Quick Actions:
Klier, John. (2000). Preparation of a low polydisperse water-soluble polymeric composition (U.S. Patent No. 6143820). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6143820
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile