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:
Oct. 10, 1989
Filed:
Jul. 13, 1988
Applicant:
Inventors:
Walter Maliczyszyn, Somerville, NJ (US);
Henry R Hernandez, Flemington, NJ (US);
Assignee:
National Starch and Chemical Corporation, Bridgewater, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162135 ; 106210 ; 106213 ; 162175 ; 427395 ;
Abstract
This invention presents a series of blends of ASA-treated and cationic starches for use as external sizes of paper and paperboard products. The blends contain at least 30% (by wt) of the ASA-treated starch, which is a monoester of the starch and an alkyl or alkenyl succinate and, optionally, from about 0.5 to about 5% (by weight based on the starch) of an Al.sup.3+ salt.
Maliczyszyn, Walter. (1989). Starch blends useful as external paper sizes (U.S. Patent No. 4872951). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4872951
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile