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:
Sep. 14, 1982
Filed:
Aug. 24, 1981
Applicant:
Inventors:
James M Renga, Midland, MI (US);
Pen-Chung Wang, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 560 61 ; 560 64 ; 568584 ; 568585 ; 568586 ; 568630 ; 568631 ; 568636 ; 568639 ; 568644 ; 568645 ; 568648 ;
Abstract
Phenolic compounds are etherified by contacting at elevated temperature with a mixture of methyl trichloroacetate and either a primary alkyl halide or an aromatic halide containing strongly electron-withdrawing groups in the presence of an initiator.