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. 18, 1977
Filed:
Jan. 23, 1975
Applicant:
Inventors:
Johannes Heilos, Seligenstadt, DT;
Werner Heimberger, Hanau am Main, DT;
Theodor Lussling, Grossauheim, DT;
Wolfgang Weigert, Offenbach (Main), DT;
Assignee:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C / ;
U.S. Cl.
CPC ...
423384 ;
Abstract
Cyanogen is prepared by passing hydrogen cyanide together with hydrogen peroxide into a solution of copper(II) bromide, chloride, cyanide, nitrate, or sulfate containing ferric ions that is maintained at a temperature between 0.degree. and 100.degree. C.
Heilos, Johannes. (1977). Process of preparing dicyan (U.S. Patent No. 4003983). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4003983
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile