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.

Date of Patent:
Oct. 06, 2015

Filed:

Mar. 10, 2014
Applicant:

Celanese Acetate Llc, Irving, TX (US);

Inventors:

Lawton E. Kizer, Blacksburg, VA (US);

Raymond M. Robertson, Blacksburg, VA (US);

Assignee:

Celanese Acetate LLC, Irving, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A24D 3/08 (2006.01); A24D 3/10 (2006.01); A24D 3/16 (2006.01);
U.S. Cl.
CPC ...
A24D 3/16 (2013.01); A24D 3/08 (2013.01); A24D 3/10 (2013.01);
Abstract

Smoke filters that reduce the concentration of carbon monoxide and phenols in a smoke stream may include a porous mass section comprising a plurality of active particles, a plurality of binder particles, and an active coating disposed on at least a portion of the active particles and the binder particles, wherein the active particles and the binder particles are bound together at a plurality of contact points; and a filter section. In some instances, a filter may include a porous mass section comprising a plurality of active particles and a plurality of binder particles, wherein the active particles and the binder particles are bound together at a plurality of contact points without an adhesive; and a filter section comprising an active dopant.


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