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:
May. 05, 1981
Filed:
May. 11, 1979
Applicant:
Inventors:
Gerald Saischek, Wels, AT;
Karlheinz Wegleitner, Linz, AT;
Ferdinand Heu, Linz, AT;
Roman Wohlmuth, Linz, AT;
Assignee:
Chemie Linz Aktiengesellschaft, Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
106 1813 ; 106 1821 ; 106 1825 ; 2604 / ; 2604299 ; 260432 ; 2604 / ;
Abstract
Novel spirocyclic boron compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 are various halogen containing organic :radicals and Z.sup.+ is a hydrogen ion, an equivalent of an alkaline-earth metal ion, a guanidinium ion or alkylammonium ion as flame retarding agents in various plastics, such as polyurethanes, epoxide resins and polyesters.