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. 03, 1996
Filed:
Oct. 18, 1994
Applicant:
Inventors:
Charles Pottier, Danville, CA (US);
Richard Varien, Danville, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
116214 ; 252365 ; 2524081 ; 424 45 ; 454168 ; 514438 ; 514706 ;
Abstract
A non-ozone depleting malodorous composition of matter that contains a liquid mercaptan mixed with a nonflammable and non-ozone depleting solvent, 1,1,1,2-tetrafluoroethane, and with an inert gas such as nitrogen under pressure in a container for introduction into a pressurized breathing system, such as in mines, thereby forming a warning system to warn a person of danger when the malodorous composition of matter is released from the container.