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For the Inventor, By the Inventor

Sale, United Kingdom

John G Dingwall

This inventor holds 13 USPTO granted patents. Top assignee: Ciba-Geigy Corporation. Active years: 1976-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John G Dingwall. Retrieved from https://idiyas.com/inventor/john-g-dingwall-3goiaw3m

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 84(Granted Patents)


Location History:

  • Brooklands Sale, EN (1976)
  • Sale, EN (1977)
  • Sale, GB (1979 - 1982)
  • Brooklands, GB (1983)
  • Riehen, CH (1983 - 1984)

Company Filing History:

goldMedal13 out of 6,858 
 
Ciba-Geigy Corporation
 patents

Years Active: 1976-1984

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13 patents (USPTO):Explore Patents
1. 4472589 - 4-Chloro-4-chloromethyloxetan-2-one (1984-09-18),
2. 4398033 - 4-Chloro-4-chloromethyloxetan-2-one and a process for its production (1983-08-09),
3. 4384966 - Phosphorus substituted 4-methyloxetan-2-ones, processes for their (1983-05-24),
4. 4363923 - 4-Halgeno-oxetan-2-ones and process for their production (1982-12-14),
5. 4335057 - 4-(2',2,2'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with (1982-06-15),
6. 4299967 - Process for producing optically active (1981-11-10),
7. 4265769 - Method of treating aqueous systems with phosphonoadipic acids (1981-05-05),
8. 4208344 - Phosphonoadipic acid additives to aqueous systems (1980-06-17),
9. 4205977 - Agent and method for influencing plant growth (1980-06-03),
10. 4147780 - .alpha.-Amino-phosphonous acids for inhibiting bacteria and yeast (1979-04-03),
11. 4052160 - Corrosion inhibitors (1977-10-04),
12. 3994923 - 4-(3,5-Dialkyl-4-hydroxyphenyl)-1,2-dithiole-3-thiones (1976-11-30),
13. 3968123 - (3-Thioxo-1,2-dithiol-4-yl) substituted triaryl phosphates and (1976-07-06),

Title: The Innovative Contributions of John G Dingwall

Introduction

John G Dingwall is a notable inventor based in Sale, GB. He has made significant contributions to the field of chemistry, holding a total of 13 patents. His work primarily focuses on the development of new compounds with various applications, particularly in antimicrobial activity and the production of pigments and dyestuffs.

Latest Patents

One of his latest patents is for the compound 4-Chloro-4-chloromethyloxetan-2-one. This innovative compound can be prepared by reacting diketene with sulphuryl chloride under conditions that facilitate the formation of free radicals. The 4-chloro-4-chloromethyloxetan-2-one exhibits notable antimicrobial activity, making it a valuable addition to the field. Furthermore, it serves as an important intermediate for the production of pigments and dyestuffs, showcasing its versatility and utility in various applications.

Career Highlights

John G Dingwall is associated with Ciba-Geigy Corporation, where he has contributed to numerous projects and advancements in chemical research. His expertise and innovative mindset have allowed him to develop compounds that address specific needs in the industry.

Collaborations

Throughout his career, John has collaborated with several talented individuals, including Brian Tuck and Barry Cook. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking inventions.

Conclusion

John G Dingwall's contributions to the field of chemistry through his patents and innovative compounds highlight his role as a significant inventor. His work continues to impact various industries, demonstrating the importance of innovation in advancing technology and science.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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