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:
Jan. 27, 2004
Filed:
Jun. 28, 2001
Applicant:
Inventors:
Thomas Brinz, Bissingen Unter Der Teck, DE;
Heidrun Potthast, Gerlingen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/164 ;
U.S. Cl.
CPC ...
G01N 2/164 ;
Abstract
An optical sensor is proposed for determining gases in gas mixtures, especially for determining one gas component in the air, having a sensitive layer exposed to the gas and having a device for detecting a change in an optical property of the sensitive layer. The sensitive layer of the sensor contains a phosphorus or nitrogen-containing base having numerous and/or long-chain alkyl groups for the pH adjustment of the sensitive layer.