Assignee
RICHARDSON GRAPHIC CO
US·11 granted patents·233 citations·filing 1978–1983
Top patents by PatentIndex Score
11 records- 0190US4370406ADevelopers for photopolymer lithographic platesRICHARDSON GRAPHIC CO·Filed 1981·Granted Jan 25, 1983·57 cites·14 claims
- 0287US4273851AMethod of coating using photopolymerizable latex systemsRICHARDSON GRAPHIC CO·Filed 1980·Granted Jun 16, 1981·49 cites·18 claims
- 0384US4186069APhotopolymerizable latex systemsRICHARDSON GRAPHIC CO·Filed 1978·Granted Jan 29, 1980·43 cites·11 claims
- 0472US4224398APhotopolymerizable latex systemsRICHARDSON GRAPHIC CO·Filed 1979·Granted Sep 23, 1980·25 cites·15 claims
- 0566US4399243ACleaner and scratch remover compositionRICHARDSON GRAPHIC CO·Filed 1980·Granted Aug 16, 1983·20 cites·26 claims
- 0653US4334003AUltra high speed presensitized lithographic platesRICHARDSON GRAPHIC CO·Filed 1980·Granted Jun 8, 1982·11 cites·21 claims
- 0751US4263392AUltra high speed presensitized lithographic platesRICHARDSON GRAPHIC CO·Filed 1979·Granted Apr 21, 1981·9 cites·26 claims
- 0847US4499170ALithographic plates and photoresists having stabilized photosensitive diazo resin with theophylline derivativeRICHARDSON GRAPHIC CO·Filed 1983·Granted Feb 12, 1985·10 cites·17 claims
- 0932US4486526ALithographic plate and photoresist having photosensitive layers of diazo and cinnamoylated phenol-blocked isocyanate polyurethane materialsRICHARDSON GRAPHIC CO·Filed 1983·Granted Dec 4, 1984·4 cites·2 claims
- 1027US4330611ALithographic plate and photoresist having photosensitive layers of diazo and cinnamoylated polyvinyl alcohol materialsRICHARDSON GRAPHIC CO·Filed 1980·Granted May 18, 1982·1 cites·1 claims
- 1126US4400481AFinisher and preserver for lithographic platesRICHARDSON GRAPHIC CO·Filed 1982·Granted Aug 23, 1983·4 cites·17 claims
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