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. 28, 1982
Filed:
Apr. 28, 1980
Applicant:
Inventors:
Gerard Bonavent, Rueil-Malmaison, FR;
Lucien Montabord, Cormeilles en Parisis, FR;
Assignee:
Institut Francais du Petrole, Rueil-Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G08B / ; H01H / ;
U.S. Cl.
CPC ...
2323 / ; 2323 / ; 2323 / ; 73 6 / ; 200 6104 ; 210924 ; 340604 ; 340605 ; 422 68 ; 422 88 ; 423245 ;
Abstract
A sensitive element which deteriorates when contacted with the polluting agent, this material comprising a sequenced styrene-butadiene copolymer, of which at least a part is hydrogenated. These elements can be used in pollution sensing devices, or for constituting at least a wall portion of a container housing a product for fighting against pollution.