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. 11, 2021
Filed:
Mar. 10, 2017
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Derek M. Maanum, St. Paul, MN (US);
Michael S. Wendland, North St. Paul, MN (US);
Michael W. Kobe, Lake Elmo, MN (US);
Austin D. Groth, Minneapolis, MN (US);
Neal A. Rakow, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/26 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01D 53/14 (2006.01); B01D 53/72 (2006.01); C08L 1/02 (2006.01); C08F 212/08 (2006.01); C08F 212/36 (2006.01); C08F 222/06 (2006.01); A62B 7/10 (2006.01); A62B 23/02 (2006.01); B01D 39/16 (2006.01); B01D 46/00 (2006.01); B01D 46/10 (2006.01); B01D 46/24 (2006.01); B01D 46/52 (2006.01); B01D 53/40 (2006.01); B01D 53/82 (2006.01);
U.S. Cl.
CPC ...
B01J 20/265 (2013.01); A62B 7/10 (2013.01); A62B 23/02 (2013.01); A62B 23/025 (2013.01); B01D 39/1623 (2013.01); B01D 46/0036 (2013.01); B01D 46/10 (2013.01); B01D 46/2411 (2013.01); B01D 46/2418 (2013.01); B01D 46/521 (2013.01); B01D 53/40 (2013.01); B01D 53/82 (2013.01); B01J 20/2804 (2013.01); B01J 20/2805 (2013.01); B01J 20/28028 (2013.01); B01J 20/28052 (2013.01); B01D 2239/0407 (2013.01); B01D 2253/202 (2013.01); B01D 2257/2042 (2013.01); B01D 2257/2045 (2013.01); B01D 2257/2047 (2013.01); B01D 2257/2062 (2013.01); B01D 2257/2064 (2013.01); B01D 2257/2066 (2013.01); B01D 2257/302 (2013.01); B01D 2257/304 (2013.01); B01D 2257/404 (2013.01); B01D 2258/06 (2013.01);
Abstract
An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent is the reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The air filter may be used for capturing e.g. reactive gases.