Inventor
Gunter Helling
Inventor
Odenthal, DE
Overview
Patents· 63 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes53%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
B41MPrinting, duplicating, marking, or copying processes3%
C07CAcyclic or carbocyclic compounds3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
Y10TTechnical subjects covered by former us classification3%
C07DHeterocyclic compounds2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%
PatentTitleYear
8,476,369'Metal salt nanogel-containing polymers'20136,689,552'Color photographic silver halide material'20046,558,887'Color photographic silver halide material'20036,534,254'Color photographic print material'20036,436,623'Color photographic silver halide material'20026,383,728'Color photographic silver halide material'20026,379,879'Color photographic silver halide material'20026,313,196'Ink jet ink'20016,242,169'Color photographic material'20016,221,572'Color photographic material'20016,207,283'Polymer'20016,177,177'Ink jet recording material comprising an agent exhibiting a concentration gradient.'20016,102,997'Ink jet system'20006,080,536'Method of preparing (100) tabular grains rich in silver bromide'20006,074,809'Color photographic silver halide material'20006,045,988'Color photographic recording material'20005,935,773'Colour photographic silver halide material'19995,888,719'Color photographic silver halide material'19995,795,707'Photographic silver halide material'19985,731,138'Color photographic material'19985,674,668'Photographic recording material'19975,543,280'Colour photographic recording material'19965,518,877'Photographic silver halide material'19965,508,157'Color photographic silver halide material'19965,472,838'Process for the production of a silver halide emulsion'19955,455,154'Photographic recording material'19955,441,862'Color photographic recording material'19955,441,861'Color photographic silver halide material'19955,441,855'Color photographic recording material'19955,354,826'Polymeric magenta coupler and color photographic recording material that contains this polymeric magenta coupler'19945,340,709'Photographic recording material'19945,330,886'Color photographic recording material'19945,310,643'Photographic recording material containing a light-protective agent'19945,292,610'Microcapsules and their use'19945,273,870'Color photographic negative recording material containing DIR compounds'19935,085,981'Photographic silver halide element with protective layer'19925,070,006'Photographic material comprising an NC layer'19915,057,276'Process for the preparation of reagent layers containing hydrophobic reagents'19914,987,061'Heat developable color photographic recording element'19914,943,519'Light sensitive, stabilized photographic recording material'19904,939,077'Photographic recording material containing polyester compounds having free acid groups'19904,939,079'Photographic recording material'19904,921,782'Magenta coupler monomer, a polymeric magenta coupler and a color photographic recording material containing the polymeric magenta coupler'19904,865,960'Polymeric magneta coupler and a colour photographic recording material containing this polymeric magenta coupler'19894,840,885'Color photographic recording material for the dye diffusion transfer process'19894,756,998'Polymeric couplers and light-sensitive photographic silver halide recording material containing such couplers'19884,724,197'Color photographic recording material and a process for the production of color photographic images'19884,714,671'Color photographic recording material containing a polymeric gelatine plasticizer'19874,585,724'Image receptor layer comprising polyvinyl imidazole and cationic polymer'19864,548,887'Dye diffusion transfer process wherein proteolytic enzyme decomposes light sensitive element'19854,513,080'Photographic silver halide containing recording material with crosslinked microgel particles'19854,459,130'Solid preparation of water-soluble acid dye and polymer particles with quaternary ammonium or phosphonium groups'19844,426,438'Anionic copolymers containing polyvalent metal cations and their use in photographic materials'19844,388,403'Process for the preparation of dispersions of hydrophobic substances in water'19834,379,829'Photographic material containing a temporary barrier layer applied from an organic solution'19834,379,838'Photosensitive photographic recording material comprising a dyed layer'19834,353,972'Light-sensitive photographic material comprising polymeric mordant layer'19824,353,980'Process for the production of protective layers for photographic materials'19824,294,920'Photographic silver halide emulsion'19814,284,718'Photographic silver halide materials containing sulfur containing polymers'19814,284,708'Photographic film unit for the production of colored transfer images'19814,186,014'Light sensitive photographic material containing a mordant layer'19804,138,260'Photographic film unit with crosslinked neutralization layer'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–2001Patents assigned to AGFA GEVAERT AG (41)· patent assignee history
1979–1981Based in Siegburg, DE· patent location history
1981–1984Based in Cologne, DE· patent location history
1983–2013Based in Odenthal, DE· patent location history
1989–2013Patents assigned to HELLING GUENTER (2)· patent assignee history
1994Based in Odenthal-Globusch, DE· patent location history
1995Patents assigned to AGFA GEVAERT AB (1)· patent assignee history
1997–2004Patents assigned to AGFA GEVAERT (11)· patent assignee history
1999Based in Boebiugen An Der Rams, DE· patent location history
2000Patents assigned to AGFA GEVAERT NV (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGFA GEVAERT AG | 41 | 1979–2001 |
| AGFA GEVAERT | 11 | 1997–2004 |
| AGFA GEVAERT NV | 4 | 2000 |
| HELLING GUENTER | 2 | 1989–2013 |
| AGFA GEVAERT AB | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Odenthal, DE | 50 | 1983–2013 |
| Cologne, DE | 7 | 1981–1984 |
| Siegburg, DE | 3 | 1979–1981 |
| Boebiugen An Der Rams, DE | 1 | 1999 |
| Odenthal-Globusch, DE | 1 | 1994 |