Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1991-08-05
1992-08-25
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
524 86, 525460, 528 73, C08L 7504
Patent
active
051420015
ABSTRACT:
This invention pertains to the polyurethane composition with hydrophilicity and hydrolysis resistance. The purpose of this invention is achieved by:
REFERENCES:
patent: 4351915 (1982-09-01), Kubota et al.
Hisamura Koji
Hosokawa Shigeo
Ito Yukiyoshi
Yasuda Masahiko
Yokomori Yorozu
Hudak Daniel J.
Kyowa Hakko Kogyo Co. Ltd.
Pawl Debra L.
The B. F. Goodrich Company
Welsh Maurice J.
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