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. 08, 1992
Filed:
Oct. 20, 1989
Applicant:
Inventors:
Gregory D Harris, Wilmington, DE (US);
Stanley A Lee, Macclesfield, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
558414 ; 568 41 ; 568437 ; 568488 ; 568440 ; 568441 ; 568483 ;
Abstract
The invention concerns a novel process for the manufacture of various aryloxyaliphatic aldehydes and related arylthio analogues, which are useful as chemical intermediates. The process involves reacting a dihalogenohydroxyalkane of the formula: HO.C(R.sup.2).sub.2.CHX.sub.2 wherein R.sup.2 is alkyl and X is chloro or bromo with a phenol or thiophenol in the presence of base and is applicable to large scale use.