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:
Dec. 06, 1977
Filed:
Oct. 12, 1976
Applicant:
Inventors:
Ray Leonard Hillard, R.D. Annandale, NJ (US);
Norma Ann Weston, R.D. Annandale, NJ (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2606 / ;
Abstract
Mono- and poly [dialkyl or dicycloalkylphosphonylmethyl] aromatic carbocyclic compounds are prepared by reacting an appropriately substituted secondary phosphine with formaldehyde, reacting the resultant dialkyl or dicyclohydroxymethylphosphine with an appropriately substituted halomethyl aromatic compound and oxidizing the resultant secondary phosphine.