Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1986-01-31
1987-05-19
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521124, 521125, 521126, 521128, 521129, 521130, C08G 1814
Patent
active
046669493
ABSTRACT:
A thermochromatic polyurethane foam comprising a polyol and a polyisocyanate as main components, and a thermochromic composition serving as a coloring agent and added to the main components singly or conjointly with a usual dye or pigment. The thermochromic composition comprises an electron-donating chromogenic material, an acidic substance and a solvent.
REFERENCES:
patent: 3539375 (1970-11-01), Baum
patent: 3560229 (1971-02-01), Farnham et al.
patent: 3705037 (1972-12-01), Inoue et al.
patent: 3741628 (1973-06-01), Margerum
patent: 4028118 (1977-06-01), Nakasuji
patent: 4054684 (1977-10-01), Ceintrey et al.
patent: 4086054 (1978-04-01), Seibert et al.
patent: 4341565 (1982-07-01), Martenson
patent: 4421560 (1983-12-01), Kito et al.
patent: 4425161 (1984-01-01), Shibahashi et al.
patent: 4501876 (1985-02-01), Zahr
patent: 4502066 (1985-02-01), Satake et al.
Hasegawa Hajime
Hayashi Yoshimi
Koga Taiji
Okuyama Tohru
Shimizu Goro
Bridgestone Corporation
Matsui Shikiso Chemical Co. Ltd.
Welsh Maurice J.
LandOfFree
Thermochromic polyurethane foam does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Thermochromic polyurethane foam, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermochromic polyurethane foam will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1565292