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:
Feb. 10, 1987
Filed:
Jun. 14, 1985
Applicant:
Inventors:
Roger W Hedge, Lymington, GB;
Ian C Brown, Winchester, GB;
Assignee:
British-American Tobacco Company Limited, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
A24B / ;
U.S. Cl.
CPC ...
131296 ; 131291 ;
Abstract
A tobacco expansion agent capable of synergistic tobacco expansion comprises a first organic compound which is volatile, non-polar and substantially water insoluble and a second organic compound which is volatile, water soluble, oxygen containing and of a polarity in excess of that of the first compound.
Hedge, Roger. (1987). Expansion of tobacco (U.S. Patent No. 4641665). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4641665
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile