Helling; Gunter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helling; Gunter.The latest application filed is for "metal salt nanogel-containing polymers".
- Helling; Gunter - Odenthal DE
- Helling; Gunter - In der Hildscheild 16 DE
- Helling; Gunter - Odenthal-Gloebusch DE
- Helling; Gunter - Siegburg DE
| Patent | Date |
|---|---|
| Metal salt nanogel-containing polymers Grant 8,476,369 - Helling July 2, 2 | 2013-07-02 |
| Metal Salt Nanogel-containing Polymers App 20100178270 - Helling; Gunter | 2010-07-15 |
| At least partially degradable films containing an active ingredient and method for the production of composition comprising an active compound App 20060134184 - Helling; Gunter | 2006-06-22 |
| Colour photographic copying material App 20050112513 - Helling, Gunter ; et al. | 2005-05-26 |
| Ink for an ink jet App 20040147631 - Helling, Gunter | 2004-07-29 |
| Color photographic silver halide material Grant 6,689,552 - Ly , et al. February 10, 2 | 2004-02-10 |
| Colour photographic silver halide material App 20030064331 - Ly, Cuong ; et al. | 2003-04-03 |
| Color photographic print material Grant 6,534,254 - Helling , et al. March 18, 2 | 2003-03-18 |
| Colour photographic silver halide material App 20020136993 - Helling, Gunter ; et al. | 2002-09-26 |
| Colour photographic silver halide material App 20020018971 - Hagemann, Jorg ; et al. | 2002-02-14 |
| Colour photographic silver halide material App 20010016304 - Hagemann, Jorg ; et al. | 2001-08-23 |
| Polymer Grant 6,207,283 - Bell , et al. March 27, 2 | 2001-03-27 |
| Ink jet recording material comprising an agent exhibiting a concentration gradient. Grant 6,177,177 - Herrmann , et al. January 23, 2 | 2001-01-23 |
| Colour photographic silver halide material Grant 5,935,773 - Hagemann , et al. August 10, 1 | 1999-08-10 |
| Color photographic material Grant 5,731,138 - Helling , et al. March 24, 1 | 1998-03-24 |
| Photographic recording material Grant 5,674,668 - Hagemann , et al. October 7, 1 | 1997-10-07 |
| Process for the production of a silver halide emulsion Grant 5,472,838 - Helling , et al. December 5, 1 | 1995-12-05 |
| Color photographic recording material Grant 5,441,855 - Weber , et al. August 15, 1 | 1995-08-15 |
| Microcapsules and their use Grant 5,292,610 - Helling , et al. March 8, 1 | 1994-03-08 |
| Color photographic negative recording material containing DIR compounds Grant 5,273,870 - Matejec , et al. December 28, 1 | 1993-12-28 |
| Light sensitive, stabilized photographic recording material Grant 4,943,519 - Helling , et al. July 24, 1 | 1990-07-24 |
| Photographic silver halide containing recording material with crosslinked microgel particles Grant 4,513,080 - Helling April 23, 1 | 1985-04-23 |
| Solid preparation of water-soluble acid dye and polymer particles with quaternary ammonium or phosphonium groups Grant 4,459,130 - Helling , et al. July 10, 1 | 1984-07-10 |
| Photographic silver halide emulsion Grant 4,294,920 - Helling , et al. October 13, 1 | 1981-10-13 |
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