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. 02, 1993
Filed:
Mar. 23, 1992
Applicant:
Inventor:
William B Gorman, Jr, Mooresville, IN (US);
Assignee:
Bridgestone/Firestone, Inc., Akron, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
250282 ; 250288 ; 73 2335 ; 73 2341 ;
Abstract
Volatile additives for vulcanized or unvulcanized rubber can be accurately identified by controlled heating of a test sample in a sealed vial equipped with an overhead collecting headspace, transferring the heated volatiles to a chromatograph column, and analyzing the separated volatile components emerging from the chromatograph column by various selective analytical detectors.