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:
Oct. 19, 1976
Filed:
Feb. 20, 1975
Applicant:
Inventor:
Lloyd B Kreuzer, San Francisco, CA (US);
Assignee:
Diax Corporation, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
250343 ; 356 97 ; 250340 ;
Abstract
In an infrared laser optoacoustic spectrometer, the optoacoustic cell is acoustically isolated from a flowing stream to be analyzed, such as the output stream of a retention time chromatograph, by means of mufflers disposed upstream and downstream of the optoacoustic cell.