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:
Apr. 09, 2013
Filed:
Nov. 29, 2007
Applicants:
Myron W. Shaffer, New Cumberland, WV (US);
Michael K. Jeffries, Follansbee, WV (US);
David P. Zielinski, Wexford, PA (US);
Inventors:
Myron W. Shaffer, New Cumberland, WV (US);
Michael K. Jeffries, Follansbee, WV (US);
David P. Zielinski, Wexford, PA (US);
Assignee:
Baver MaterialScience LLC, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 251/00 (2006.01); C08G 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to flexible cycloaliphatic diisocyanate trimers and a process for the preparation of these. These flexible products are allophanate-modified, partially trimerized cycloaliphatic diisocyanates and are characterized by a low T. More specifically, the Tof the resultant product ranges from about −30° C. to about 40° C., after the excess monomer has been removed from the product.