Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2004-11-27
2010-12-28
Gulakowski, Randy (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S453000, C528S044000, C528S067000, C528S085000
Reexamination Certificate
active
07858712
ABSTRACT:
The invention relates to a process for reacting (i) thermoplastic polyurethanes with (ii) compounds having isocyanate groups, where the (ii) compounds used having isocyanate groups comprise (iia) compounds having at least three isocyanate groups based on aliphatic isocyanates and (iib) compounds having two isocyanate groups based on aromatic isocyanates.
REFERENCES:
patent: 4261946 (1981-04-01), Goyert et al.
patent: 4347338 (1982-08-01), Torii et al.
patent: 5106874 (1992-04-01), Porter et al.
patent: 6142189 (2000-11-01), Bhattacharyya
patent: 6254712 (2001-07-01), Enlow et al.
patent: 2003/0032719 (2003-02-01), Sapper
patent: 2004/0236035 (2004-11-01), Lagneaux et al.
patent: 25 01 987 (1976-07-01), None
patent: 41 15 508 (1992-11-01), None
patent: 44 12 329 (1995-10-01), None
patent: 0 417 581 (1991-03-01), None
patent: 1 158 011 (2001-11-01), None
patent: 2 347 933 (2000-09-01), None
patent: 03/035711 (2003-05-01), None
patent: PCT/FR02/03646 (2004-10-01), None
Mark, Herman, et. al., eds. Encyclopedia of Polymer Science and Engineering, 2nd ed., Polyurethanes; vol. 13. p. 254. J. Wiley and Sons, New York, NY. 1985.
Henze Oliver Steffen
Hilmer Klaus
Malz Hauke
Peters Sabine
BASF - Aktiengesellschaft
Baumstein Kyle
Gulakowski Randy
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
LandOfFree
Method for reacting thermoplastic polyurethanes (i) with... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for reacting thermoplastic polyurethanes (i) with..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for reacting thermoplastic polyurethanes (i) with... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4172472