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. 14, 2014
Filed:
Nov. 22, 2010
Applicants:
Tamaz Guliashvili, Philadelphia, PA (US);
Stephen R. Vasconcellos, Doylestown, PA (US);
Inventors:
Tamaz Guliashvili, Philadelphia, PA (US);
Stephen R. Vasconcellos, Doylestown, PA (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F 1/56 (2006.01); C07C 211/63 (2006.01); C08F 126/04 (2006.01); C07C 209/68 (2006.01); C07C 213/08 (2006.01);
U.S. Cl.
CPC ...
C08F 126/04 (2013.01); C07C 211/63 (2013.01); C02F 1/56 (2013.01); C07C 209/68 (2013.01); C07C 213/08 (2013.01);
Abstract
Methods are provided for making halide-free quaternary ammonium salt monomers. Polymers prepared from the monomers and methods of using the polymers to clarify raw, untreated water or wastewater are also disclosed.