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:
Jun. 25, 1991
Filed:
Jun. 26, 1989
Applicant:
Inventors:
William C Floyd, Chester, SC (US);
louis R Dragner, Rock Hill, SC (US);
Blanche H Black, York, SC (US);
Assignee:
Sequa Chemicals, Inc., Chester, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08G / ;
U.S. Cl.
CPC ...
524 50 ; 524 47 ; 524 48 ; 524 49 ; 524 52 ; 524 53 ; 527300 ; 527313 ; 527314 ;
Abstract
A binder for non-woven fibers or fabrics is prepared comprising a starch-polymer graft, starch and a starch crosslinking agent. An acrylamide copolymer may optionally be included. The binder is useful for non-woven fibers such as a polyester fiber mat, and particularly single ply, bitumin roofing materials.