Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2005-02-23
2008-10-07
Tucker, Philip C (Department: 1791)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C428S015000, C428S198000, C428S315700, C427S243000, C427S245000, C427S247000, C528S065000, C528S080000, C528S084000, C521S116000, C521S117000
Reexamination Certificate
active
07431794
ABSTRACT:
A process for producing a leather-like sheet, wherein a skin-like layer composed of a resin composition (C) is formed on top of a fibrous substrate (E), comprising; heating and melting a moisture-curable polyurethane hot-melt resin composition (C) which contains a hot-melt urethane prepolymer (A) having isocyanate groups at molecular terminal ends and a colorant (B), and applying said heated and melted resin composition (C) to either [1] a releasable substrate (D) and then bonding the coated surface to a fibrous substrate (E), or [2] a fibrous substrate (E) and then bonding the coated surface to a releasable substrate (D); wherein the colorant (B) contains a polyol with a number average molecular weight within a range from 1,000 to 20,000 as a vehicle (B-1), and a pigment (B-2).
REFERENCES:
patent: 4551518 (1985-11-01), Matsumoto et al.
patent: 4764426 (1988-08-01), Nakamura et al.
patent: 6322851 (2001-11-01), Adachi et al.
patent: 6479153 (2002-11-01), Kato et al.
patent: 2002/0018892 (2002-02-01), Satake et al.
patent: 2003/0017322 (2003-01-01), Kim
patent: 2003/0039772 (2003-02-01), Takeyama et al.
patent: 2003/0203146 (2003-10-01), Nakanishi
patent: 2006/0079589 (2006-04-01), Tadokoro et al.
patent: 9-24590 (1997-01-01), None
patent: 2000-54272 (2000-02-01), None
patent: 2002-348347 (2002-12-01), None
patent: 2003-49147 (2003-02-01), None
patent: 2003-246830 (2003-09-01), None
patent: 2003-306523 (2003-10-01), None
patent: 2003-306526 (2003-10-01), None
Kanagawa Yoshinori
Niwa Toshio
Tamaki Toshifumi
Yoneda Hisao
Dainippon Ink and Chemicals Inc.
Edwards Angell Palmer & & Dodge LLP
Kuraray Co. Ltd.
Orlando Michael N
Tucker Philip C
LandOfFree
Process for producing leather-like sheet does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for producing leather-like sheet, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing leather-like sheet will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3992261