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:
May. 15, 2012
Filed:
Feb. 01, 2011
Applicants:
Duane D. Fansler, Dresser, WI (US);
Allen R. Siedle, Lake Elmo, MN (US);
Zhongshu Tan, Little Canada, MN (US);
Thomas E. Wood, Stillwater, MN (US);
Inventors:
Duane D. Fansler, Dresser, WI (US);
Allen R. Siedle, Lake Elmo, MN (US);
Zhongshu Tan, Little Canada, MN (US);
Thomas E. Wood, Stillwater, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01); B01J 20/26 (2006.01); B01J 23/52 (2006.01); C01B 31/08 (2006.01); A62D 3/30 (2007.01); A62D 3/33 (2007.01); C07D 487/00 (2006.01); C07C 55/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Herein are disclosed adducts of amines and polycarboxylic acids, and methods of making such adducts. Such adducts can be used to remove cyanogen chloride. Also disclosed are methods of providing such adducts on supports to form filter media. Also disclosed are methods of combining such filter media with catalysts and/or with porous polymeric webs to form filter systems.