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:
Aug. 27, 2013
Filed:
Dec. 15, 2011
Applicants:
Stephen Robert Vasconcellos, Doylestown, PA (US);
Matthew D. Mersch, Louisville, KY (US);
James Quentin Pollett, Louisville, KY (US);
Inventors:
Stephen Robert Vasconcellos, Doylestown, PA (US);
Matthew D. Mersch, Louisville, KY (US);
James Quentin Pollett, Louisville, KY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 21/01 (2006.01); B03D 3/00 (2006.01); C02F 1/52 (2006.01); B01D 1/00 (2006.01); B03D 1/00 (2006.01); C02F 1/24 (2006.01); C08B 37/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Clarification of surfactant laden wastewaters of the type commonly encountered in the laundry, dishwashing, textile manufacturing, and metal cleaning and degreasing processes is provided by use of a chitosan/(meth)acrylyloxy alkyl quaternary ammonium salt graft polymer.