Inventor · disambiguated record
Hans Vetter
Also filed as: MARX PAUL · MELZER ARNFRIED · OTTO RIGOBERT · PUSCHEL WALTER
21 granted patents·135 citations·filing 1975–1991
94Inventor score
Top patents by PatentIndex Score
21 records- 0181US5021331AColor photographic recording material containing a DIR couplerAGFA GEVAERT AG·Filed 1990·Granted Jun 4, 1991·12 cites·1 claims
- 0277US5215875AColor photographic recording materialAGFA GEVAERT AG·Filed 1991·Granted Jun 1, 1993·10 cites·5 claims
- 0374US4198235ADye diffusion transfer process employing compounds that release sulfonamide dye providing radicalsAGFA GEVAERT AG·Filed 1978·Granted Apr 15, 1980·9 cites·4 claims
- 0468US4360581AColor photographic recording material containing non-diffusing electron donor compoundsAGFA GEVAERT AG·Filed 1980·Granted Nov 23, 1982·7 cites·3 claims
- 0564US4156608AColor photographic material with improved color reproductionAGFA GEVAERT AG·Filed 1977·Granted May 29, 1979·6 cites·6 claims
- 0660US4250252ALight-sensitive color photographic materialAGFA GEVAERT AG·Filed 1975·Granted Feb 10, 1981·5 cites·5 claims
- 0759US4810615AColour photographic recording material containing a dye releasing compound for cyan dyes and a colour image produced with these dyesAGFA GEVAERT AG·Filed 1987·Granted Mar 7, 1989·6 cites·4 claims
- 0859US4302123AClasp elementDENGLER WOLFGANG·Filed 1979·Granted Nov 24, 1981·17 cites·17 claims
- 0956US4605613ABallasted dye compounds with linkages containing three aromatic nuclei for use in a dye diffusion transfer process and elementAGFA GEVAERT NV·Filed 1985·Granted Aug 12, 1986·7 cites·6 claims
- 1055US5200306AColor photographic recording material containing a coupler which releases a photographically active compoundAGFA GEVAERT AG·Filed 1991·Granted Apr 6, 1993·5 cites·8 claims
- 1155US4784507AFiling device for layers of sheetsMERZ & VETTER GMBH·Filed 1986·Granted Nov 15, 1988·15 cites·32 claims
- 1255US4242435APhotographic dye diffusion transfer processAGFA GEVAERT AG·Filed 1979·Granted Dec 30, 1980·4 cites·2 claims
- 1348US4179291APhotographic dye diffusion transfer processAGFA GEVAERT AG·Filed 1977·Granted Dec 18, 1979·2 cites·3 claims
- 1447US5037731AOrganic compounds for use in a dye diffusion transfer process and photographic elements incorporating themAGFA GEVAERT NV·Filed 1986·Granted Aug 6, 1991·5 cites·1 claims
- 1547US4171220APhotographic dye diffusion transfer processAGFA GEVAERT AG·Filed 1977·Granted Oct 16, 1979·4 cites·2 claims
- 1646US4273855APhotographic diffusion transfer process and material for the production of color images and suitable compounds thereforAGFA GEVAERT NV·Filed 1979·Granted Jun 16, 1981·2 cites·3 claims
- 1744US4777124AAzo dye compounds for use in a dye diffusion transfer process and photographic elements incorporating themAGFA GEVAERT NV·Filed 1987·Granted Oct 11, 1988·4 cites·6 claims
- 1842US4046574AColor photographic material with homophthalimide thioether development inhibitorAGFA GEVAERT AG·Filed 1976·Granted Sep 6, 1977·7 cites·6 claims
- 1938US5021332AColor photographic recording material containing a DIR couplerAGFA GEVAERT AG·Filed 1990·Granted Jun 4, 1991·6 cites·5 claims
- 2034US5006457APhotographic recording materialBAYER AG·Filed 1989·Granted Apr 9, 1991·2 cites·2 claims
- 2129US4755452AColor photographic recording material and a process for the production of photographic imagesAGFA GEVAERT AG·Filed 1987·Granted Jul 5, 1988·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →