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.

Date of Patent:
Jul. 19, 1977

Filed:

Feb. 02, 1976
Applicant:
Inventors:

Susumu Fujiyama, Niigata, JA;

Minoru Takagawa, Niigata, JA;

Shiro Kajiyama, Niigata, JA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260599 ;
Abstract

This invention relates to a two-step method for decomposing an aromatic aldehyde-hydrogen fluoride-boron trifluoride complex in the presence of benzene as a diluent to obtain an aromatic aldehyde, hydrogen fluoride and boron trifluoride separately without causing any change in the quality of the aromatic aldehyde or without forming undesirable byproducts.


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