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. 26, 1991
Filed:
May. 16, 1988
Applicant:
Inventor:
Chakra V Gupta, Conover, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ; A61L / ;
U.S. Cl.
CPC ...
424 41 ; 424 45 ; 252305 ;
Abstract
Perfluoroalkanes, including perfluorobutane, perfluoro propane and perfluoropentane are used in aerosol spray compositions contained within aerosol spray containers to act as propellants. Further, perfluoroalkanes are combined with sulphur hexafluoride for use as aerosol propellants. Specific examples, including insecticide formulations, are particularly set forth.