Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Reexamination Certificate
2005-05-03
2005-05-03
Sergent, Rabon (Department: 1711)
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
C252S182210, C252S182220, C560S025000, C560S026000, C560S335000, C560S336000, C560S359000, C564S038000, C564S044000
Reexamination Certificate
active
06887399
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%.
REFERENCES:
patent: 4695645 (1987-09-01), Merger et al.
patent: 4740610 (1988-04-01), Merger et al.
patent: 4810820 (1989-03-01), Slack et al.
patent: 5319053 (1994-06-01), Slack et al.
patent: 5319054 (1994-06-01), Slack et al.
patent: 5440003 (1995-08-01), Slack
patent: 5461135 (1995-10-01), Malofsky et al.
patent: 5541281 (1996-07-01), Yeske et al.
patent: 5567793 (1996-10-01), Slack et al.
patent: 5610260 (1997-03-01), Schmalstieg et al.
patent: 5663272 (1997-09-01), Slack et al.
patent: 5686042 (1997-11-01), Slack et al.
patent: 5789519 (1998-08-01), Slack et al.
patent: 5821275 (1998-10-01), Madan et al.
patent: 5874485 (1999-02-01), Milliren et al.
patent: 6271279 (2001-08-01), Nodelman et al.
patent: 6639040 (2003-10-01), Slack et al.
patent: 0 719 809 (1996-07-01), None
Kemp, II Hersel T.
Miller William E.
Slack William E.
Bayer MaterialScience LLP
Brown N. Denise
Gil Joseph C.
Sergent Rabon
LandOfFree
Polymeric allophanates of diphenylmethane diisocyanate,... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Polymeric allophanates of diphenylmethane diisocyanate,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polymeric allophanates of diphenylmethane diisocyanate,... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3464186