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:
Aug. 18, 1992
Filed:
Jun. 27, 1990
Applicant:
Inventors:
Leon Cooper, Malibu, CA (US);
William H Haines, Tarzana, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G01M / ;
U.S. Cl.
CPC ...
252305 ; 73 / ; 116214 ; 222-4 ; 2524081 ;
Abstract
An improved aerosol formulation for activating a smoke detector by emulating the effects of combustion products to test smoke detectors includes a propellant and an active ingredient consisting of one or more linear alkyl phthalate esters characterized by linear carbon chains of either seven or nine carbons in length, the alkyl phthalate esters being present in a proportion of between 10% and 1%.