Inventor · disambiguated record
Rachel S. Kohn
Also filed as: KOHN RACHEL S
27 granted patents·395 citations·filing 1982–1999
97Inventor score
Top patents by PatentIndex Score
27 records- 0184US5055116AGas separation membranes comprising miscible blends of polyimide polymersHOECHST CELANESE CORP·Filed 1990·Granted Oct 8, 1991·64 cites·22 claims
- 0280US4929405AUltrathin polyimide polymer flims and their preparationHOECHST CELANESE CORP·Filed 1989·Granted May 29, 1990·40 cites·29 claims
- 0379US4746474AUltrathin polyimide polymers films and their preparationHOECHST CELANESE CORP·Filed 1986·Granted May 24, 1988·40 cites·16 claims
- 0473US5074891AMethod of gas separation and membranes thereforHOECHST CELANESE CORP·Filed 1989·Granted Dec 24, 1991·37 cites·18 claims
- 0569US4549907AThixotropic aqueous solutions containing a crosslinked polygalactomannan gumCELANESE CORP·Filed 1984·Granted Oct 29, 1985·18 cites·15 claims
- 0668US6455526B1Biodegradable polymer encapsulated pharmaceutical compositions and method for preparing the sameAVENTIS PHARMA INC·Filed 1999·Granted Sep 24, 2002·34 cites·43 claims
- 0755US5045440AStabilization of optical information storage media by incorporation of nitrogen containing compoundsHOECHST CELANESE CORP·Filed 1990·Granted Sep 3, 1991·11 cites·9 claims
- 0855US4880699AUltrathin polyimide polymer films and their preparationHOECHST CELANESE CORP·Filed 1989·Granted Nov 14, 1989·15 cites·13 claims
- 0951US4746472AUltrathin polyarylate polymer films and their preparationHOECHST CELANESE CORP·Filed 1986·Granted May 24, 1988·14 cites·20 claims
- 1049US5614309ACoated polypropylene or polyethylene useful for membranesHOECHST CELANESE CORP·Filed 1992·Granted Mar 25, 1997·8 cites·14 claims
- 1148US4776999AUltrathin polyether sulfone polymer films and their preparationHOECHST CELANESE CORP·Filed 1986·Granted Oct 11, 1988·12 cites·11 claims
- 1246US5232757AEnhancement of positive contrast in optical recordingHOECHST CELANESE CORP·Filed 1991·Granted Aug 3, 1993·6 cites·15 claims
- 1346US4900623AUltrathin polymethylmethacrylate polymer filmsHOECHST CELANESE CORP·Filed 1988·Granted Feb 13, 1990·8 cites·17 claims
- 1444US4910083AUltrathin polyarylate polymer films and their preparationHOECHST CELANESE CORP·Filed 1988·Granted Mar 20, 1990·9 cites·27 claims
- 1544US4752339AThixotropic aqueous solutions containing a divinylsulfone-crosslinked polygalactomannan gumHI TEK POLYMERS INC·Filed 1983·Granted Jun 21, 1988·4 cites·8 claims
- 1644US4746475AUltrathin cellulose ester polymer films and their preparationHOECHST CELANESE CORP·Filed 1986·Granted May 24, 1988·7 cites·13 claims
- 1744US4746473AUltrathin blended cellulose nitrate polymer films and their preparationHOECHST CELANESE CORP·Filed 1986·Granted May 24, 1988·7 cites·15 claims
- 1843US4978573AUltrathin polyimide polymer films and their preparationHOECHST CELANESE CORP·Filed 1990·Granted Dec 18, 1990·10 cites·22 claims
- 1941US4765939AProcess for preparing ultrathin polymethylmethacrylate polymer filmsHOECHST CELANESE CORP·Filed 1986·Granted Aug 23, 1988·8 cites·29 claims
- 2040US5320754APan composite membranesHOECHST CELANESE CORP·Filed 1992·Granted Jun 14, 1994·9 cites·20 claims
- 2140US4910082AUltrathin polyphenylene oxide polymer films and their preparationHOECHST CELANESE CORP·Filed 1988·Granted Mar 20, 1990·7 cites·31 claims
- 2238US4908267AUltrathin polyether sulfone films and their preparationHOECHST CELANESE CORP·Filed 1988·Granted Mar 13, 1990·5 cites·17 claims
- 2338US4746476AUltrathin polyphenylene oxide polymer films and their preparationHOECHST CELANESE CORP·Filed 1986·Granted May 24, 1988·6 cites·23 claims
- 2438US4469620ADry blend thickening composition containing benzoquinone and polygalactomannan gumCELANESE CORP·Filed 1983·Granted Sep 4, 1984·5 cites·21 claims
- 2537US4900621AUltrathin blended cellulose nitrate polymer films and their preparationHOECHST CELANESE CORP·Filed 1988·Granted Feb 13, 1990·4 cites·13 claims
- 2636US4908266AUltrathin cellulose ester polymer films and their preparationHOECHST CELANESE CORP·Filed 1988·Granted Mar 13, 1990·5 cites·17 claims
- 2733US4452639ABenzoquinone ether adduct of polygalactomannan gumCELANESE CORP·Filed 1982·Granted Jun 5, 1984·2 cites·20 claims
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