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:
Apr. 03, 1979
Filed:
Aug. 19, 1976
Applicant:
Inventors:
Georg Blumenfeld, St. Augustin, DE;
Egon N Petersen, Neunkirchen, DE;
Hermann Richtzenhain, Much-Schwellenbach, DE;
Wilhelm Vogt, Cologne, DE;
Norbert Vollkommer, Troisdorf, DE;
Assignee:
Dynamit Nobel Aktiengesellschaft, Troisdorf Bez. Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560221 ; 260 / ;
Abstract
Tetrahaloxylene diesters of formulas 1 and 2: ##STR1## wherein R= hydrogen or a methyl group, and each X is bromo, with the proviso that some of the X's can be chloro. The compounds are useful as flame retardants for plastics.