Inventor · disambiguated record
Piet Kok
Also filed as: KOK PIET
19 granted patents·111 citations·filing 1986–1995
94Inventor score
Files withAGFA GEVAERT NV19
Top patents by PatentIndex Score
19 records- 0186US4727017ASubstituted triazolopyrimidines and their use in light-sensitive photographic elementsAGFA GEVAERT NV·Filed 1986·Granted Feb 23, 1988·20 cites·7 claims
- 0266US4762759AImage-receiving material with siloxane, colloidal silica and gelatin for silver complex diffusion transferAGFA GEVAERT NV·Filed 1986·Granted Aug 9, 1988·9 cites·16 claims
- 0364US5536817AType of modified gelatin and its use in a DTR materialAGFA GEVAERT NV·Filed 1995·Granted Jul 16, 1996·4 cites·3 claims
- 0463US5156940APhotographic stabilizers with 1-phenyl-3-pyrazolidinone moietiesAGFA GEVAERT NV·Filed 1991·Granted Oct 20, 1992·8 cites·4 claims
- 0561US5141843ADeveloper liquid for high contrast developmentAGFA GEVAERT NV·Filed 1991·Granted Aug 25, 1992·7 cites·19 claims
- 0660US4988600AParticulate electrophotographic toner materialAGFA GEVAERT NV·Filed 1990·Granted Jan 29, 1991·13 cites·10 claims
- 0755US5236815AClass of masked stabilizers in photographic materials or developing solutionsAGFA GEVAERT NV·Filed 1992·Granted Aug 17, 1993·5 cites·11 claims
- 0853US5206123AHigh contrast developer containing an aprotic solventAGFA GEVAERT NV·Filed 1992·Granted Apr 27, 1993·4 cites·15 claims
- 0951US5439791AModified gelatin types and hydrophilic elements containing themAGFA GEVAERT NV·Filed 1994·Granted Aug 8, 1995·8 cites·14 claims
- 1044US5474885AType of modified gelatin and its use in a DTR materialAGFA GEVAERT NV·Filed 1994·Granted Dec 12, 1995·6 cites·7 claims
- 1140US4820608ADye diffusion transfer imaging process and image receptor used thereinAGFA GEVAERT NV·Filed 1987·Granted Apr 11, 1989·8 cites·11 claims
- 1239US5254443APhotographic direct positive material containing a masked benzotriazole stabilizerAGFA GEVAERT NV·Filed 1992·Granted Oct 19, 1993·1 cites·12 claims
- 1337US4902593ADye image receiving materialAGFA GEVAERT NV·Filed 1988·Granted Feb 20, 1990·6 cites·10 claims
- 1435US4908286AImage-receiving material for use in diffusion transfer reversalAGFA GEVAERT NV·Filed 1989·Granted Mar 13, 1990·4 cites·13 claims
- 1534US5155014AMethod of developing direct positive silver halide materialAGFA GEVAERT NV·Filed 1991·Granted Oct 13, 1992·1 cites·10 claims
- 1634US5013628AParticulate toner material with charge control agentAGFA GEVAERT NV·Filed 1990·Granted May 7, 1991·4 cites·11 claims
- 1731US5043245AProcess for the production of a laminated articleAGFA GEVAERT NV·Filed 1990·Granted Aug 27, 1991·2 cites·10 claims
- 1830US5073480AQuick acting hardener for photographic gelatin layersAGFA GEVAERT NV·Filed 1990·Granted Dec 17, 1991·1 cites·11 claims
- 1929US4748108AYellow dye-releasing azo compounds for use in the production of diffusion transfer color imagesAGFA GEVAERT NV·Filed 1986·Granted May 31, 1988·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →