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. 17, 1998
Filed:
Jul. 28, 1993
Emily Carol Bossert, Wayne, PA (US);
Wayne Ranbom, Hopewell, NJ (US);
William Albert Larkin, Avon by the Sea, NJ (US);
Elf Atochem North America, Inc., Philadelphia, PA (US);
Abstract
The present invention comprises a curable composition comprising: (i) a blocked reactive component comprising a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound containing reactive hydrogen; (iii) a triorganotin catalyst for promoting the reaction of the blocked reactive component with the functional compound. The composition may also be admixed with water. The invention also relates to a method for curing a blocked isocyanate or blocked isothiocyanate at a temperature below about 150.degree. C. which comprises combining a triorganotin compound with the blocked reactive component and functional compound and heating at a temperature less than about 150.degree. C. to obtain a cured urethane or thiourethane.