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:
Feb. 24, 1976
Filed:
May. 15, 1974
Applicant:
Inventors:
Karin Ulla Helmer, Solna, SW;
Berit Ingegard Simonsson, Solna, SW;
Assignee:
Kemanord AB, Stockholm, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; D21D / ; D21D / ;
U.S. Cl.
CPC ...
427395 ; 162175 ; 2602 / ;
Abstract
The present invention relates to a process for sizing cellulose fibers or cellulose fiber-containing materials by using modified starch containing hydrophobic groups having the general formula ##EQU1## wherein R.sub.1 is an organic, hydrophobic hydrocarbon group having 8-40 carbon atoms and R.sub.2 is a C.sub.1 -C.sub.8 alkyl group or has the same meaning as R.sub.1.