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:
Jul. 28, 1981
Filed:
Mar. 03, 1980
Applicant:
Inventors:
Wadym Jarowenko, Green Brook, NJ (US);
Daniel B Solarek, Somerville, NJ (US);
Assignee:
National Starch and Chemical Corporation, Bridgewater, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B / ; C08B / ;
U.S. Cl.
CPC ...
536 50 ;
Abstract
Cationic starch is prepared by an essentially pollution-free method wherein starch is reacted with a mixture of an epoxide etherifying reagent and alkali catalyst using substantially dry reaction conditions. The resultant cationic starches find particular use in papermaking applications.