Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1993-12-30
1995-05-09
Kumar, Shailendra
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564 48, 564 50, 564 61, 564 64, C07C27506, C07C27528, C07C27300
Patent
active
054141184
ABSTRACT:
A diaminourea compound having the formula (I); ##STR1## wherein R.sub.1 and R.sub.2 are independently a straight or branched alkylene group having 2 to 8 carbon atoms, an alicyclic alkylene group having 6 to 15 carbon atoms, a phenylene group, a C.sub.1-C.sub.4 alkyl-substituted phenylene group, a C.sub.1-C.sub.4 mono- or di-alkylene substituted phenylene group, or a methanediphenylene group, and a production process thereof as well as a high heat resistant polyurethaneurea derived therefrom and a production process thereof.
REFERENCES:
patent: 4404390 (1983-09-01), Atland et al.
patent: 4950789 (1990-08-01), Barron
patent: 4994611 (1991-02-01), Ruckes et al.
Kryuchov et al., the Synthesis of Polyurethane Ureas with a Specific MWD of thir Rigid Segments, Polymer Science USSR, vol. 23, No. 11, 1981 pp. 2715-2721.
Kryuchkov et al., Preparing Poly(urethaneureas) in a Solution, Chemical Abstracts, vol. 94, No. 8, 23 Feb. 1981, Columbus, OH., Abstract No. 48271g, p. 37, column 2.
Melissaris et al., J. of Appl. Polym. Sci., vol. 39, 2657-2672, 1987.
Furubeppu Satoshi
Yosizato Akihiko
Asahi Kasei Kogyo Kabushiki Kaisha
Kumar Shailendra
LandOfFree
Diaminourea compound and process for production thereof and high does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Diaminourea compound and process for production thereof and high, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diaminourea compound and process for production thereof and high will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1706619