Company Filing History:

9 out of 1,473

Agfa-gevaert Ag

Years Active: 1976-1983

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4371604 - Photographic material suited for use in diffusion transfer photography (1983-02-01),

2. 4366240 - Color photographic recording material containing non-diffusing electron (1982-12-28),

3. 4275200 - Process for the production of oxazolinone-2-compounds (1981-06-23),

4. 4204867 - Process for the production of color photographic images using new white (1980-05-27),

5. 4183752 - Light-sensitive photographic material (1980-01-15),

6. 4123281 - Photographic silver halide color material containing fast-acting (1978-10-31),

7. 4062683 - Photographic material containing 3-anilino-5-pyrazolylalkylcarbonate or (1977-12-13),

8. 4061498 - Photographic material containing 2-acyl-2-pyrazolin-5-on-couplers (1977-12-06),

9. 4059447 - Photographic material containing oxazolinone-2 couplers (1977-11-22),

10. 4052213 - Light-sensitive photographic material (1977-10-04),

11. 3973979 - Color photographic materials containing diffusion fast pyrazolone (1976-08-10),

12. 3956311 - Process for the preparation of 3-anilino-pyrazolones-(5) (1976-05-11),

13. 3931221 - Process for preparing 3-anilino-pyrazolones-(5) (1976-01-06),

Title: Ernst Meier: Innovator in Photographic Materials

Introduction

Ernst Meier is a notable inventor based in Munich, Germany. He has made significant contributions to the field of photographic materials, holding a total of 13 patents. His work has advanced the technology used in diffusion transfer photography and color photographic recording materials.

Latest Patents

Among his latest patents, Meier developed a photographic material suited for use in diffusion transfer photography. This innovative material contains a quinonoid compound that can release a photographically useful group under alkaline conditions. Additionally, he has created color photographic recording materials that utilize non-diffusing electron 5- or 6-membered α-lactones of phenolic compounds. These compounds are designed to be cleavable at specific pH values, forming electron donor compounds that enhance photographic processes.

Career Highlights

Throughout his career, Ernst Meier has worked with prominent companies in the photographic industry, including Agfa-Gevaert AG and Agfa Gevaert NV. His expertise in photographic materials has positioned him as a key figure in the development of innovative solutions for the industry.

Collaborations

Meier has collaborated with notable colleagues such as Wolfgang Lassig and Karl Kuffner. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Ernst Meier's contributions to photographic materials have had a lasting impact on the industry. His innovative patents and collaborations reflect his dedication to advancing photographic technology.

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