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. 25, 1983
Filed:
Oct. 05, 1981
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604656 ; 2605 / ; 424212 ;
Abstract
The invention relates to phosphonodroxyacetonitrile and a process for its production which comprises reacting phosphono formaldehyde, in salt form, with hydrocyanic acid (then, if desired, converting the free phosphonohydroxyacetonitrile to salt thereof. The phosphonohydroxyacetonitrile is useful, for example, as an intermediate for the production of phosphonohydroxyacetic acid, an antiviral agent.