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:
Sep. 07, 2004
Filed:
Oct. 30, 2000
Applicant:
Inventors:
Joel Erwin Goldstein, Allentown, PA (US);
Christian Leonard Daniels, Macungie, PA (US);
Chung-Ling Mao, Emmaus, PA (US);
Assignee:
Air Products Polymers, L.P., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/03 ; C08K 5/04 ;
U.S. Cl.
CPC ...
C08J 3/03 ; C08K 5/04 ;
Abstract
The invention is the use of a glycolic acid adduct of sodium sulfite as the reducing agent in the redox couple for polymerization of vinyl acetate polymer based emulsions for nonwoven binders which contain formaldehyde, primarily from the self-crosslinking co-monomer N-methylolacrylamide.