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:
Feb. 02, 1988
Filed:
Jun. 13, 1986
Applicant:
Inventors:
Michio Watanabe, Yamato, JP;
Kiyoshi Ishii, Yokohama, JP;
Mie Namiki, Hiratsuka, JP;
Takeshi Fukuda, Yokohama, JP;
Assignee:
Permachem Asia, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568713 ; 568712 ;
Abstract
A process for producing a dibromonitro compound represented by the general formula ##STR1## wherein R represents a hydrogen atom or a methyl group, which comprises condensing nitromethane with formaldehyde or acetaldehyde in the presence of an alkali, the amount of the aldehyde being at least 1.5 moles per mole of nitromethane; and thereafter without isolating the product, treating the reaction mixture with bromine to brominate the product.