Inventor · disambiguated record
Chester J. Sobodacha
Also filed as: SOBODACHA CHESTER · SOBODACHA CHESTER J
11 granted patents·99 citations·filing 1986–1996
90Inventor score
Files withHOECHST CELANESE CORP11
Top patents by PatentIndex Score
11 records- 0171US4732837ANovel mixed ester O-quinone photosensitizersHOECHST CELANESE CORP·Filed 1986·Granted Mar 22, 1988·20 cites·17 claims
- 0270US4732836ANovel mixed ester O-quinone photosensitizersHOECHST CELANESE CORP·Filed 1986·Granted Mar 22, 1988·22 cites·16 claims
- 0366US5374693ANovolak resin blends for photoresist applicationsHOECHST CELANESE CORP·Filed 1992·Granted Dec 20, 1994·16 cites·10 claims
- 0448US5162510AProcess for the preparation of photosensitive compositions containing a mixed ester o-quinone photosensitizerHOECHST CELANESE CORP·Filed 1991·Granted Nov 10, 1992·10 cites·27 claims
- 0544US5646218ANovolak resin blends for photoresist applicationsHOECHST CELANESE CORP·Filed 1996·Granted Jul 8, 1997·7 cites·27 claims
- 0643US5248585APolyphosphazene binder resins for photoresists comprising as photosensitizers o-quinone diazide estersHOECHST CELANESE CORP·Filed 1991·Granted Sep 28, 1993·5 cites·10 claims
- 0741US5221592ADiazo ester of a benzolactone ring compound and positive photoresist composition and element utilizing the diazo esterHOECHST CELANESE CORP·Filed 1992·Granted Jun 22, 1993·6 cites·12 claims
- 0836US5348842AMethod for producing positive photoresist image utilizing diazo ester of benzolactone ring compound and diazo sulfonyl chlorideHOECHST CELANESE CORP·Filed 1993·Granted Sep 20, 1994·4 cites·14 claims
- 0936US4892801AMixed ester O-quinone diazide photosensitizers and process of preparationHOECHST CELANESE CORP·Filed 1988·Granted Jan 9, 1990·3 cites·19 claims
- 1034US5035976APhotosensitive article having phenolic photosensitizers containing quinone diazide and acid halide substituentsHOECHST CELANESE CORP·Filed 1989·Granted Jul 30, 1991·3 cites·18 claims
- 1134US4902785APhenolic photosensitizers containing quinone diazide and acidic halide substituentsHOECHST CELANESE CORP·Filed 1988·Granted Feb 20, 1990·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →