Inventor · disambiguated record
Richard C. Cotner
Also filed as: COTNER RICHARD C
7 granted patents·1 pending application·28 citations·filing 1991–2014
80Inventor score
Top patents by PatentIndex Score
8 records- 0182US5493327AMethod and apparatus for producing image reproducing materials using photothermographic material sensitive to radiation in the red region and transparent to radiation in the ultraviolet range of the electromagnetic spectrumMINNESOTA MINING & MFG·Filed 1993·Granted Feb 20, 1996·17 cites·34 claims
- 0253US5364733APhotothermographic elements with novel layer structures, each of which contains a thermally-diffusible oxidizable leuco dye and process for producing a color image from leuco dyeMINNESOTA MINING & MFG·Filed 1993·Granted Nov 15, 1994·3 cites·7 claims
- 0352US5206112APositive imaging diffusion - transfer dry silver systemMINNESOTA MINING & MFG·Filed 1991·Granted Apr 27, 1993·3 cites·17 claims
- 0452US2016311080A1Abrasive, abrasive article and the method for preparing the same3M INNOVATIVE PROPERTIES CO·Filed 2014·Application pending·0 cites
- 0549US5415975AContrast-promoting agents in graphic arts mediaMINNESOTA MINING & MFG·Filed 1994·Granted May 16, 1995·3 cites·16 claims
- 0637US5278024APositive imaging diffusion-transfer dry silver system using formazan dyeMINNESOTA MINING & MFG·Filed 1992·Granted Jan 11, 1994·1 cites·5 claims
- 0737US5264321APhotothermographic elements with novel layer structuresMINNESOTA MINING & MFG·Filed 1992·Granted Nov 23, 1993·1 cites·22 claims
- 0829US5494776AHybrid graphic arts films with reduced occurrence of pepper fogMINNESOTA MINING & MFG·Filed 1994·Granted Feb 27, 1996·0 cites·13 claims
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