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:
Aug. 30, 1977
Filed:
Sep. 16, 1976
Applicant:
Inventor:
William E Wright, Farmington, MI (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C10M / ;
U.S. Cl.
CPC ...
260976 ; 252 325 ;
Abstract
Dialkylphosphites are made by adding PCl.sub.3 to a mixture of water and alkanol and distilling product from the resultant reaction mixture leaving a distillation residue. Alkanol is added to the residue and the mixture reacted at elevated temperature to yield additional dialkylphosphite.