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:
Dec. 26, 1978
Filed:
Dec. 01, 1977
Applicant:
Inventors:
Walter Ihlein, Berlin, DE;
Wolfgang Kleeberg, Erlangen, DE;
Helmuth Markert, Nuremberg, DE;
Willi Mertens, Berlin, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 53 ; 528 73 ;
Abstract
Addition complexes of tertiary amines and boron trichloride of the general formula BCl.sub.3.NR.sub. 1 R.sub.2 R.sub. 3 are used as an accelerator system for a heat-curing reaction resin mixture of purified polyisocyanate and polyepoxy resin compounds. Insulation impregnated with this reaction resin mixture exhibits high thermal stability in the hardened condition and can be used at high operating temperatures.