Company Filing History:

18 out of 2,176

Polaroid Corporation

patents

1 out of 1

Polaroid Coroporation

patent

1 out of 832,718

Other

patents

Years Active: 1976-1988

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4719175 - Novel pyrazole compounds having silver halide development groups (1988-01-12),

2. 4656117 - Azo and azomethine dye developers (1987-04-07),

3. 4404136 - Chrome complexed azo or azomethine hexadentate dyes (1983-09-13),

4. 4336405 - Silver halide developing agents (1982-06-22),

5. 4294915 - Silver halide developing agents (1981-10-13),

6. 4290699 - Color synthesizing (1981-09-22),

7. 4267253 - Chrome complexed magenta dye developers (1981-05-12),

8. 4267252 - Chrome complexed magenta dye developers (1981-05-12),

9. 4265811 - Novel azo dyes (1981-05-05),

10. 4247455 - Yellow 2:1 azo-azo or azo-azomethine chrome complexed dye developers (1981-01-27),

11. 4231950 - Yellow azomethine dye developers (1980-11-04),

12. 4219599 - I.D. cards (1980-08-26),

13. 4206139 - Synthesis of benzaldehydes (1980-06-03),

14. 4206115 - Ortho-carboxyphenyl azo ortho-hydroxypyrazole yellow dyes having silver (1980-06-03),

15. 4174221 - Yellow 2:1 chrome complexed dye developers (1979-11-13),

Title: Elbert M Idelson: Innovator in Pyrazole Compounds and Dye Developers

Introduction

Elbert M Idelson is a prominent inventor based in West Newton, MA (US), known for his contributions to the field of chemistry, particularly in the development of novel pyrazole compounds. With a remarkable portfolio of 20 patents, Idelson has made significant strides in enhancing photographic processes and products.

Latest Patents

One of Idelson's latest patents features "Novel pyrazole compounds having silver halide development groups." This groundbreaking work describes pyrazole compounds formulated to act as intermediates in the preparation of azo and azomethine dye developers or as silver halide developing agents, showcasing his innovative approach in utilizing chemistry for advanced applications. Another significant patent involves "Azo and azomethine dye developers," which includes dye developers with a pyrazolone moiety comprising two silver halide developing groups. These compounds are particularly useful in enhancing photographic products and processes.

Career Highlights

Over the years, Idelson has had a fruitful career working for leading companies in the photography and chemical industries, including the Polaroid Corporation. His dedication to innovation in the development of chemical compounds is evident through his extensive patent portfolio.

Collaborations

Idelson has collaborated with prominent individuals such as Patrick F King and Thomas Raphael, pooling their expertise to push the boundaries of research and development in their field. These collaborations have likely facilitated the development of advanced photographic solutions and chemical products.

Conclusion

Elbert M Idelson's innovative contributions to the field of chemistry, particularly in the realm of pyrazole compounds and dye developers, continue to make a positive impact on photographic technologies. His extensive patent portfolio and collaborations with esteemed coworkers speak to his dedication and influence within the industry.

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