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:
Dec. 30, 2003
Filed:
Mar. 10, 2000
Applicant:
Inventors:
Hannu Ketola, Hämeenlinna, FI;
Peggy Hagberg, Maidstone, GB;
Assignee:
Raisio Chemicals Ltd., Raisio, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 3/100 ; C08L 3/10 ; C09J / ;
U.S. Cl.
CPC ...
C08B 3/100 ; C08L 3/10 ; C09J / ;
Abstract
The present invention relates to a process for the preparation of a stable, chlorine free modified starch which is useful in paper coating and sizing. In the process, starch is degraded by catalyzed hydrogen peroxide oxydation, and stabilized by acetyl esterification, combined with crosslinking of the starch.
Ketola, Hannu. (2003). Modified starch (U.S. Patent No. 6670470). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6670470
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile