This application is a continuation-in-part of copending application U.S. Ser. No. 494,543, filed May 13, 1983, now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
RE30351 | Hoehn et al. | Jul 1980 | |
2947687 | Lee | Aug 1960 | |
3179632 | Hendrix | Apr 1965 | |
3179633 | Endrey et al. | Apr 1965 | |
3546175 | Angelo | Dec 1970 | |
3708458 | Alberine | Jan 1973 | |
3816303 | Wrasidlo | Jun 1974 | |
3822202 | Hoehn | Jul 1974 | |
3853754 | Gosser | Dec 1974 | |
3925211 | Schumann et al. | Dec 1975 | |
4071590 | Strathmann | Jan 1978 | |
4113628 | Alegranti | Sep 1978 | |
4240914 | Iwama et al. | Dec 1980 | |
4307135 | Fox | Dec 1981 | |
4378324 | Makino et al. | Mar 1983 |
Number | Date | Country |
---|---|---|
301074.1 | Sep 1981 | EPX |
301480.0 | Oct 1981 | EPX |
3223075 | Jan 1983 | DEX |
3221545 | Jan 1983 | DEX |
3223844 | Jan 1983 | DEX |
3225837 | Feb 1983 | DEX |
3225618 | Feb 1983 | DEX |
4152680 | Dec 1979 | JPX |
6070805 | Jun 1981 | JPX |
7090098 | Jun 1982 | JPX |
7170934 | Oct 1982 | JPX |
1434639 | May 1976 | GBX |
2051664 | Jan 1981 | GBX |
2073654 | Oct 1981 | GBX |
2098994 | Dec 1982 | GBX |
2101137 | Jan 1983 | GBX |
Entry |
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"New Polyimide Ultrafiltration Membranes for Organic Use", Iwama et al., Journal of Membrane Science, 11 (1982), 297-309. |
"High Temperature Ultrafiltration Membrane", NASA Contract No. NAS7-100, Sarbalouki, JPL Invention Report 30-4918/NPO 15431. |
"The Use of Solubility Parameters for Solvent Selection in Asymmetric Membrane Formation", Klein & Smith, Lowdale & Podall Editors, Reverse Osmosis Membrane Research, Plenum, NY, pp. 61-64. |
"Asymmetric Polyimide Membranes for Filtration of Nonaqueous Solutions", Strathmann, Desalination 26 (1978), pp. 85-91. |
"Development of Chlorine Resistant Membrane Asymmetric Polyimide Membrane and Porous Substrates", Final Report by Membrane Systems, Inc. to Office of Water Research & Technology, Sudak et al., Contract No. 14-34-0001-9515. |
"Development of Chlorine Resistant Reverse Osmosis Membrane and Porous Membrane Support", Office of Water Research & Technology, May 1979, PB80-102973. |
"Soluble Polyimides Derived from Phenylindane Diamine: A New Approach to Heat Resistant Protective Coatings", Bateman et al. |
Number | Date | Country | |
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Parent | 494543 | May 1983 |