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. 11, 1989
Filed:
Jun. 03, 1987
Applicant:
Inventor:
Thord G Hassler, Helsingborg, SE;
Assignee:
W. R. Grace AB, Helsingborg, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
524357 ; 524800 ; 524843 ; 524845 ; 528246 ; 528263 ; 528340 ; 528341 ; 528367 ; 528405 ;
Abstract
A water-soluble, thermosetting resin comprising units derived from tris(2-aminoethyl)amine, and preferably units derived from dicyandiamide and/or epichlorohydrin, is useful as an accelerator in paper sizing, e.g. using an alkyl ketene dimer.
Hassler, Thord. (1989). Novel amino resins useful in sizing paper and their use (U.S. Patent No. 4847315). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4847315
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile