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:
Mar. 29, 1977
Filed:
Jan. 18, 1974
Yoshitaka Ume, Toyonaka, JA;
Takashi Matsuo, Nishinomiya, JA;
Nobushige Itaya, Nishinomiya, JA;
Nobuo Ohno, Toyonaka, JA;
Sumitomo Chemical Company, Limited, Osaka, JA;
Abstract
A process for preparing m-phenoxybenzyl, m-phenoxybenzal halides or a mixture thereof comprising halogenating m-phenoxytoluene in the presence of a phosphorus halide in the high temperature region above 220.degree. C, and a process for preparing m-phenoxybenzylalcohol comprising halogenating m-phenoxytoluene as above, reacting the resulting side-chain halogenated m-phenoxytoluene with an alkali metal salt of acetic acid and then (a) reducing and hydrolyzing the resulting m-phenoxybenzylacetate and m-phenoxybenzaldehyde, or (b) reducing the resulting m-phenoxybenzylacetate and m-phenoxybenzaldehyde, reacting the resulting product with acetic anhydride and an alkali metal salt of acetic acid and hydrolyzing the resulting m-phenoxybenzylacetate are disclosed.