Number | Date | Country | Kind |
---|---|---|---|
10-305380 | Oct 1998 | JP | |
11-251170 | Sep 1999 | JP |
Number | Name | Date | Kind |
---|---|---|---|
3708555 | Gaylord | Jan 1973 | A |
3848027 | Forbess et al. | Nov 1974 | A |
3891499 | Kato et al. | Jun 1975 | A |
4152317 | Agouri et al. | May 1979 | A |
4274915 | Munari | Jun 1981 | A |
4289580 | Elston et al. | Sep 1981 | A |
4613635 | Bither | Sep 1986 | A |
5173154 | Heinrich | Dec 1992 | A |
Number | Date | Country |
---|---|---|
WO9607677 | Mar 1996 | WO |
Entry |
---|
Database WPI, Section Ch, Week 198306, Derwent Publications Ltd., London, GB; Class A97, AN 1983-13375K & JP 57 210100 A (Mitsui Petrochem Co LTD), Dec. 23, 1982 (Abstract). |
Database WPI, Section Ch, Week 197621, Derwent Publications LTD., London, GB; Class A17, AN 1976-38703X & JP 51 040412 A (Toray IND INC.), Apr. 5, 1976 (Abstract). |