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:
Apr. 05, 1994
Filed:
Jan. 19, 1990
Applicant:
Inventor:
Jeffrey E Telschow, Tarrytown, NY (US);
Assignee:
Akzo nv, Arnhem, NL;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
564 15 ; 564 16 ; 568 14 ; 568 17 ;
Abstract
Organophosphorus dihalides can have one of their halogen substituents substituted with an alkyl group from a trialkylaluminum by gradual addition of the latter reagent to the former.