Number | Date | Country | Kind |
---|---|---|---|
63-283553 | Nov 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4690972 | Johnson et al. | Sep 1987 | |
4716212 | Gaughan | Dec 1987 |
Number | Date | Country |
---|---|---|
0270955A2 | Jun 1988 | EPX |
0274754A2 | Jul 1988 | EPX |
0280325A2 | Aug 1988 | EPX |
0285874A1 | Oct 1988 | EPX |
3405523A1 | Aug 1985 | DEX |
47-13347 | Jul 1972 | JPX |
60-58435 | Apr 1985 | JPX |
60-104126 | Aug 1985 | JPX |
61-221229 | Jan 1986 | JPX |
Entry |
---|
D. Mukherjee et al., "Preparation & Characterisation of Poly(4,4'-benzophenone Sulphide)", Depart of Chemistry, Indian Institute of Technology, Aug. 1981, pp. 501-502. |