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. 08, 2013
Filed:
Feb. 04, 2011
Subha Bhattacharyya, Metuchen, NJ (US);
Scott Guelcher, Franklin, TN (US);
Damodaragounder Gopal, Highland Heights, OH (US);
Marco Burello, Cleveland, OH (US);
Subha Bhattacharyya, Metuchen, NJ (US);
Scott Guelcher, Franklin, TN (US);
Damodaragounder Gopal, Highland Heights, OH (US);
Marco Burello, Cleveland, OH (US);
Warsaw Orthopedic, Inc., Warsaw, IN (US);
Abstract
The present invention encompasses the finding that improvements can be achieved in manufacture of isocyanates through the use of a substitute for or a precursor of phosgene. Methods and compositions utilized in accordance with the present invention can be useful in situations in which it is difficult to use phosgene, and in particular gaseous phosgene. In some embodiments, a substitute for or a precursor of phosgene used in accordance with the present invention for preparing isocyanates is or comprises diphosgene (ClCOCCl).