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For the Inventor, By the Inventor

N. Quincy, MA, United States of America

Patrick F King

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 98(Granted Patents)


Location History:

  • No. Quincy, MA (US) (1986)
  • Needham, MA (US) (1983 - 1988)
  • Quincy, MA (US) (1991)
  • North Quincy, MA (US) (1987 - 1993)
  • N. Quincy, MA (US) (1990 - 1993)

Company Filing History:

goldMedal11 out of 2,176 
 
Polaroid Corporation
 patents
silverMedal1 out of 1 
 
Polaroid Coroporation
 patent

Years Active: 1983-1993

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12 patents (USPTO):Explore Patents
1. 5220036 - Thiolactone dye precursors (1993-06-15),
2. 5196297 - Recording material and process of using (1993-03-23),
3. 5028725 - Thiolactone metal complexes (1991-07-02),
4. 4970309 - Synthesis of thiolactones (1990-11-13),
5. 4904572 - Thermographic recording materials and coating composition therefor (1990-02-27),
6. 4719175 - Novel pyrazole compounds having silver halide development groups (1988-01-12),
7. 4656117 - Azo and azomethine dye developers (1987-04-07),
8. 4652635 - Method for converting ether groups to hydroxyl groups and ester groups (1987-03-24),
9. 4563412 - Black image dye-providing materials and photographic products and (1986-01-07),
10. 4481286 - Ligands and photographic process (1984-11-06),
11. 4481278 - Chrome complexed dye developer compounds and photographic products and (1984-11-06),
12. 4404136 - Chrome complexed azo or azomethine hexadentate dyes (1983-09-13),

Title: The Innovative Contributions of Patrick F King

Introduction

Patrick F King is a notable inventor based in North Quincy, Massachusetts, with a remarkable portfolio of 12 patents. His work primarily focuses on advancements in dye precursor compounds and recording materials, showcasing his expertise in the field of chemical innovations.

Latest Patents

Among his latest patents, King has developed novel thiolactone dye precursors. This invention relates to unique di- and triarylmethane dye precursor compounds that possess a thiolactone, dithiolactone, or thioether ring-closing moiety. Additionally, he has created innovative recording materials that utilize color-forming di- and triarylmethane compounds with specific S-containing ring-closing moieties. This method involves forming color by contacting these dye precursor compounds with a Lewis acid material, which opens the ring-closing moiety and converts the compound to its chromophore color.

Career Highlights

Throughout his career, Patrick F King has made significant contributions to the field of chemistry and materials science. He has worked with renowned companies, including Polaroid Corporation, where he applied his innovative ideas to develop new technologies.

Collaborations

King has collaborated with notable individuals in his field, including Elbert M Idelson and Stephen G Stroud. These partnerships have likely enhanced his research and development efforts, leading to groundbreaking inventions.

Conclusion

Patrick F King stands out as a prominent inventor whose work in dye precursor compounds and recording materials has made a lasting impact. His contributions continue to influence advancements in chemical innovations and materials science.

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