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:
Jan. 31, 2006
Filed:
Mar. 04, 2005
Applicants:
William E. Slack, Moundsville, WV (US);
Hersel T. Kemp, Ii, New Martinsville, WV (US);
William E. Miller, St. Clairsville, OH (US);
Inventors:
William E. Slack, Moundsville, WV (US);
Hersel T. Kemp, II, New Martinsville, WV (US);
William E. Miller, St. Clairsville, OH (US);
Assignee:
Bayer MaterialScience LLC, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 275/60 (2006.01); C07C 269/02 (2006.01); C07C 271/66 (2006.01); C07C 273/00 (2006.01); C07C 275/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a new high functionality MDI. In particular, this invention relates to polymeric allophanates based on diphenylmethane diisocyanate having an NCO group content of 12 to 30%, prepolymers thereof, and processes for the production of these compositions. The prepolymers are stable liquids having NCO group contents of about 10 to about 28%.