Number | Name | Date | Kind |
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3169945 | Hostettler | Feb 1965 | |
3663515 | Hostettler et al. | May 1972 | |
3899467 | Bonk et al. | Aug 1975 | |
4447591 | Watanabe | May 1984 |
Number | Date | Country |
---|---|---|
2418803 | Sep 1979 | FRX |
52-69489 | Jun 1977 | JPX |
57-185313 | Nov 1982 | JPX |
63-196623 | Aug 1988 | JPX |
2-000628 | Jan 1990 | JPX |
6-192410 | Jul 1994 | JPX |
7-292083 | Nov 1995 | JPX |
2140436 | Nov 1984 | GBX |
Entry |
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C.Seefried, Jr. J.V. Koleske, F.E. Critchfield Thermoplastic Urethane Elastomers. I. Effect of Soft Segment Variations Sep. 1975 Journal of Applied Polymer Science vol. 19, No. 9. |
C.Seefried, Jr. J.V. Koleske, F.E. Critchfield Thermoplastic Urethane Elastomers. II. Effects of Variations in Hardsegment Concentration Sep. 1975 Journal of Applied Polymer Science vol. 19, No. 9. |
Nitta Ind Corp. Patent Abstracts of Japan Dec. 19, 1991 JP 03 220224, vol. 015, No. 504 (C-0896). |