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:
Oct. 26, 1976
Filed:
Dec. 11, 1975
Applicant:
Inventors:
Susumu Fujiyama, Niigata, JA;
Takehiko Takahashi, Niigata, JA;
Minoru Takagawa, Niigata, JA;
Shigeki Ozao, Niigata, JA;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C01B / ;
U.S. Cl.
CPC ...
423293 ; 260599 ; 26068348 ; 423483 ;
Abstract
A method for decomposing an aromatic aldehyde-hydrogen fluoride-boron trifluoride complex in the presence of a decomposing agent represented by the formula ##SPC1## Wherein n is integer of 1-6, inclusive, and m is integer of 0-5, inclusive, and a total of n and m is 6 or less, 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 is disclosed.