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. 13, 1984
Filed:
May. 26, 1981
Applicant:
Inventors:
Alfred Blumcke, Rheinfelden, DE;
Peter Fischer, Rheinfelden, DE;
Hans-Joachim Vahlensieck, Wehr, DE;
Assignee:
Dragerwerk Aktiengesellschaft, Lubeck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
436169 ; 2524081 ; 422 55 ; 422 56 ; 422 57 ; 436527 ; 436 73 ; 436163 ; 436166 ; 436183 ;
Abstract
A dried silica gel containing a reagent in insolubilized form which reagent is normally soluble, especially a dried silica gel containing an insolubilized form of a normally soluble colorimetric analytical agent and a method of preparing such dried silica gel by hydrolyzing a silane having from 1 to 4 alkoxy groups in a homogeneous phase in the presence of a reagent which is normally soluble in a solvent, recovering the resultant gel and drying the same.
Quick Actions:
Blumcke, Alfred. (1984). Silica gels incorporating insolubilized reagents (U.S. Patent No. 4436823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4436823
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile