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:
Oct. 28, 2014
Filed:
Mar. 22, 2012
Applicants:
Matthias Naumann, Hamburg, DE;
James S. Wooten, Iv, Greensboro, NC (US);
Inventors:
Matthias Naumann, Hamburg, DE;
James S. Wooten, IV, Greensboro, NC (US);
Assignee:
Evonik Corporation, Parsippany, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/06 (2006.01); C08F 220/38 (2006.01);
U.S. Cl.
CPC ...
C08F 220/06 (2013.01); C08F 220/38 (2013.01);
Abstract
The invention relates to a superabsorbent copolymer comprising a reaction product of a reactive optical brightener comonomer. In another embodiment, the superabsorbent copolymer comprises a reaction product of a first monomer and a reactive optical brightener comonomer. The reactive optical brightener comonomer may be selected from various pyrene optical brighteners listed herein. The invention also relates to superabsorbent copolymer having from about 0.1 to 10,000 ppm of a reactive optical brightener comonomer based on the superabsorbent copolymer.