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. 25, 1983
Filed:
Sep. 20, 1982
Applicant:
Inventors:
Charles E Monnier, Basel, CH;
Friedrich Lohse, Oberwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C07 / ;
U.S. Cl.
CPC ...
525507 ; 525510 ; 528103 ; 528361 ; 528365 ; 528391 ; 528406 ; 528407 ; 528408 ; 528409 ; 528418 ; 549525 ; 549545 ;
Abstract
1,5-Dimethyl-1,2;5,6-diepoxycyclooctane is prepared by epoxidizing 1,5-dimethylcycloocta-1,5-diene with aqueous peracetic or perpropionic acid at a temperature not exceeding 50.degree. C. and within a pH range from 1.5 to 5.5. The diepoxide according to the invention can be cured by means of curing agents for epoxide resins to give moulded materials having valuable mechanical properties. It is also suitable for use as a reactive, latent diluent.