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:
Apr. 18, 2000
Filed:
Oct. 28, 1998
Applicant:
Inventors:
David R Nass, Bridgewater, NJ (US);
Andrew J Kielbania, Jr, Chalfont, PA (US);
Sharon P Lee, Metuchen, NJ (US);
Assignee:
National Starch and Chemical Investment Holding Corporation, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08K / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524556 ; 51294 ; 51295 ; 51298 ; 428283 ; 523157 ; 524443 ; 524504 ; 524506 ; 524507 ; 524513 ; 524517 ; 524522 ; 524523 ; 524524 ; 524548 ; 524557 ; 524560 ; 524561 ; 524564 ; 524601 ; 524602 ;
Abstract
Abrasive articles comprising a cured thermosetting binder and abrasive grains. The binder is prepared with a poly-functional molecule which contains at least two functional groups selected from the group consisting of carboxyl, anhydride and amine, and a (hydroxyalkyl)urea crosslinking agent containing a single urea group, at least two hydroxyl groups, and have at least two carbon atoms disposed between the urea group and each of the hydroxyl groups. The abrasive articles comprise bonded, nonwoven or coated abrasive articles.