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:
May. 03, 1977
Filed:
Dec. 05, 1975
Applicant:
Inventors:
Donald Harold Wadsworth, Rochester, NY (US);
Richard Sturtevant Vinal, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260491 ; 2606 / ;
Abstract
Process for preparing mono- and diaryl ethers of bis(hydroxymethyl) ether by reaction of the dialkyl esters of polyoxymethylene glycols with phenol or substituted phenol. In a preferred embodiment the reaction is carried out in the presence of a catalyst.