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:
Mar. 27, 2012
Filed:
Aug. 31, 2009
Applicants:
David W. Park, Puyallup, WA (US);
Amar N. Neogi, Kenmore, WA (US);
Ludwig Furtner, Jr., Tacoma, WA (US);
Inventors:
David W. Park, Puyallup, WA (US);
Amar N. Neogi, Kenmore, WA (US);
Ludwig Furtner, Jr., Tacoma, WA (US);
Assignee:
Weyerhaeuser NR Company, Federal Way, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Artificial fire logs made from non-petrochemical based, renewable materials are described. These artificial fire logs perform substantially equivalent to existing commercial fire logs. The artificial fire logs are made from cellulosic materials, a lignin containing composition and a non-petroleum based wax where the lignin containing composition comprises lignin and 1,3-propanediol derived from a renewable resource.