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:
Sep. 18, 2018
Filed:
Mar. 02, 2015
Applicant:
Greenbutts Llc, San Diego, CA (US);
Inventors:
Tadas Lisauskas, San Diego, CA (US);
Xavier Alexander Van Osten, San Diego, CA (US);
Matthew Tipper, York, GB;
Vera Chetty, Mirfield, GB;
Stephen Russell, Harrogate, GB;
Assignee:
Greenbutts LLC, San Diego, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A24D 3/06 (2006.01); A24D 3/10 (2006.01); A24D 3/02 (2006.01); A24D 3/08 (2006.01); D21H 11/12 (2006.01); D21H 13/08 (2006.01); A24D 3/14 (2006.01);
U.S. Cl.
CPC ...
A24D 3/068 (2013.01); A24D 3/0229 (2013.01); A24D 3/06 (2013.01); A24D 3/08 (2013.01); A24D 3/10 (2013.01); A24D 3/14 (2013.01); D21H 11/12 (2013.01); D21H 13/08 (2013.01);
Abstract
A biodegradable cigarette filter tow includes a mixture of at least two or more natural materials selected from the group consisting of hemp fiber, flax fiber, abaca fiber or pulp, sisal fiber or pulp, wood pulp, and cotton fiber or cotton flock. The mixture may also include regenerated cellulose fibers. The mixture may include a natural binder or may be hydroentangled.