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:
Jun. 27, 1978
Filed:
Feb. 09, 1977
Wolfgang Hirsch, Wunstorf, DT;
Riedel-de Haen Aktiengesellschaft, Seelze, Hanover, DT;
Abstract
In the process for the production of a diagnostic agent for the detection of ketones, consisting of an absorbent carrier impregnated in a first stage with an aqueous solution of an amino acid and tetrasodium ethylenediamine tetraacetate as buffer, dried and impregnated in a second stage with a solution of sodium nitroferricyanide in a solvent mixture one component of which is methanol and dried again, the improvement which comprises using as the second component of the solvent mixture, instead of dimethyl formamide, which is considered detrimental to health, quite a number of other solvents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile