Inventor · disambiguated record
Richard L. Shadrach
Also filed as: SHADRACH RICHARD · SHADRACH RICHARD L
6 granted patents·81 citations·filing 1984–1999
83Inventor score
Technology areasG03F
Top patents by PatentIndex Score
6 records- 0182US4659642APositive working naphthoquinone diazide color proofing transfer processHOECHST CO AMERICAN·Filed 1984·Granted Apr 21, 1987·37 cites·18 claims
- 0260US4948693APositive working color proofing system comprising polyvinyl acetal/polyvinyl alcohol/polyvinyl acetate resinHOECHST CELANESE CORP·Filed 1988·Granted Aug 14, 1990·15 cites·29 claims
- 0345US5738970ANegative working, peel developable, single sheet color proofing system with polyvinyl acetal photoadhering layerBAYER AG·Filed 1997·Granted Apr 14, 1998·10 cites·26 claims
- 0444US4772533APositive working naphthoquinone diazide color proofing element with polyvinyl acetate adhesive layerHOECHST CO AMERICAN·Filed 1986·Granted Sep 20, 1988·7 cites·16 claims
- 0538US4869993AOptical brightener containing positive working color proofing systemFARAHAT WAHIB·Filed 1988·Granted Sep 26, 1989·8 cites·24 claims
- 0632US6143461AProcess for obtaining a color image with improved resolutionAGFA CORP·Filed 1999·Granted Nov 7, 2000·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →