Number | Date | Country | Kind |
---|---|---|---|
11-262793 | Sep 1999 | JP |
Number | Name | Date | Kind |
---|---|---|---|
4201820 | Johnson | May 1980 | A |
4535100 | Krutchen et al. | Aug 1985 | A |
4868222 | Chau et al. | Sep 1989 | A |
4873218 | Pekala | Oct 1989 | A |
5081163 | Pekala | Jan 1992 | A |
5776990 | Hedrick et al. | Jul 1998 | A |
5789338 | Kachmitter et al. | Aug 1998 | A |
Number | Date | Country |
---|---|---|
6-322168 | Nov 1994 | JP |
9-100363 | Apr 1997 | JP |
10-45936 | Feb 1998 | JP |
Entry |
---|
S. Jayaraman et al; High Tg Polyimide Nanofoams Derived From Pyromellitic Dianhydride And 1,1-Bis(4-Aminophenyl)-1-1pHenyl-2,2,2-Trifluromethane; 1994; pp. 347 and 348. |
E. Lebedeva et al; Preparation of Porous Polymides From Self-Assembled Graft Copolymers; 1999; pp. 494 and 495. |
European Search Report. |