Urethane polyol precursors for coating compositions

Details Urethane polyol precursors for coating compositions Urethane polyol precursors for coating compositions

2004-01-27

2010-06-08

Tran, Thao T. (Department: 1794)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C528S049000, C528S065000

Reexamination Certificate

active

07732555

ABSTRACT:
Unsymmetrical polyurethane polyol prepolymers are disclosed for use in the formation of coating compositions. The prepolymers are prepared as a reaction product of a diisocyanate with a short chain aliphatic diol and a long chain polymeric diol. The prepolymers are intended as the first component for reaction with a second component polyisocyanate in a two-component coating composition. The coating compositions exhibit excellent abrasion resistance and weatherability, and are particularly useful as coatings for polymeric window transparencies.

REFERENCES:
patent: 3917570 (1975-11-01), Chang et al.
patent: 3931113 (1976-01-01), Seeger et al.
patent: 4024113 (1977-05-01), Ammons
patent: 4108840 (1978-08-01), Friedlander
patent: 4154891 (1979-05-01), Porter, Jr. et al.
patent: 4264752 (1981-04-01), Watson, Jr.
patent: 4360653 (1982-11-01), Stevens et al.
patent: 4783502 (1988-11-01), Faler et al.
patent: 4923757 (1990-05-01), O'Dwyer et al.
patent: 4994208 (1991-02-01), McBain et al.
patent: 5124424 (1992-06-01), Endo et al.
patent: 5155201 (1992-10-01), Gardon et al.
patent: 5175227 (1992-12-01), Gardon et al.
patent: 5200483 (1993-04-01), Selvig
patent: 5326846 (1994-07-01), Nagai et al.
patent: 5563233 (1996-10-01), Reich et al.
patent: 5610263 (1997-03-01), Jones et al.
patent: 5798409 (1998-08-01), Ho
patent: 5910563 (1999-06-01), Jones et al.
patent: 6723820 (2004-04-01), Arcurio et al.
patent: 2002/0123545 (2002-09-01), Yahkind et al.
patent: 0 176 726 (1985-08-01), None
patent: 0 839 643 (1998-05-01), None
patent: WO 0238643 (2002-05-01), None
“New Polyols and Formulations for Energy-Saving Insulations Using HFC-245 As Blowing Agent”; N. Tsukida, H.Sato; M.Aoyagi; H.Takeyasu: Polyurethanes World Congress, 1997: Linking Technology With Opportunity, Proceedings, Amsterdam, Sep. 29-Oct. 1, 1997, 474-483.

Affiliated with

Also associated with

Rating

Urethane polyol precursors for coating compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Urethane polyol precursors for coating compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Urethane polyol precursors for coating compositions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4203163