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:
Nov. 18, 1980
Filed:
Mar. 17, 1978
Applicant:
Inventors:
Ralph R Miano, Charlotte, NC (US);
Charles H Keith, Charlotte, NC (US);
Assignee:
Celanese Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24B / ; A24D / ;
U.S. Cl.
CPC ...
131-2 ; 1311 / ; 1311 / ;
Abstract
Tobacco substitutes exhibiting improved particulate matter delivery and pressure drop characteristics are prepared by producing a film containing a blowing agent and heating the film to a temperature sufficient to cause gasification of the blowing agent.