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. 20, 1981
Filed:
Aug. 27, 1979
Applicant:
Inventor:
Reiner Wechsung, Cologne, DE;
Assignee:
Leybold-Heraeus Gesellschaft mit beschrankter Haftung, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
250282 ; 250287 ; 2504 / ;
Abstract
Organic substances, particularly those derived from a chromatograph, are analyzed by subjecting such a substance to laser radiation to produce negative ions of the substance, and by subjecting those negative ions to mass spectrometry, preferably time-of-flight mass spectrometry.