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For the Inventor, By the Inventor

Leawood, KS, United States of America

Vidyanatha A Prasad

This inventor holds 38 USPTO granted patents, plus 1 CIPO patent, primarily in Chemical Synthesis. Top assignees: Bayer Corporation, Bayer Aktiengesellschaft, Miles Inc.. Active years: 1979-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Vidyanatha A Prasad. Retrieved from https://idiyas.com/inventor/vidyanatha-a-prasad

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

Calculating rank
USPTO Granted Patents = 38

% Patents Active = 100.0


Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 58(Granted Patents)


Location History:

  • Kansas City, MO (US) (1979)
  • Overland Park, KS (US) (1980)
  • Pittsburgh, PA (US) (1998)
  • Lewwood, KS (US) (1999)
  • Leawood, KS (US) (1990 - 2006)

Company Filing History:

goldMedal31 out of 1,013 
 
Bayer Corporation
 patents
silverMedal6 out of 12,269 
 
Bayer Aktiengesellschaft
 patents
bronzeMedal2 out of 540 
 
Miles Inc.
 patents
4. 2 out of 191 
 
Mobay Chemical Corporation
 patents
5. 1 out of 271 
 
Bayer Cropscience Gmbh
 patents
6. 1 out of 165 
 
Mobay Corporation
 patents
7. 1 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1979-2006

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Areas of Expertise:
Chemical Synthesis
Thiophosphoryl Chloride
Dithiocarbazinate
Phosphoramidothioate
Triazolinones
Sulfoxides
Phosphorodithioates
Thiadiazole
Acetamide
Dithiophosphoric Acid
Oxidation
Purification
38 patents (USPTO):Explore Patents
1. 7049456 - Method for preparing O,O-dialkyl S-[2-(alkylthio)alkyl] phosphorodithioates (2006-05-23),
2. 6545172 - Processes for the production of methyl dithiocarbazinate (2003-04-08),
3. 6437189 - Synthesis of sulfoxides via selective oxidation of sulfides with a perborate or a percarbonate (2002-08-20),
4. 6251350 - Process for the manufacture of thiophosphoryl chloride (2001-06-26),
5. 6197971 - Process for the manufacture of substituted triazolinones (2001-03-06),
6. 6160125 - Process for the manufacture of sulfonylaminocarbonyl triazolinones in (2000-12-11),
7. 616012 - Process for the manufacture of sulfonylaminocarbonyl triazolinones in (2000-12-12),
8. 6147222 - Process for the manufacture of sulfonylaminocarbonyl triazolinones and (2000-11-14),
9. 6147221 - Process for the manufacture of sulfonylaminocarbonyl triazolinones and (2000-11-14),
10. 6127566 - Process for the synthesis of O,O-dimethyl phosphoroamidothioate (2000-10-03),
11. 6075157 - Purification of O,S-dimethyl phosphoramidothioate (2000-06-13),
12. 6034245 - Process for making 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole (2000-03-07),
13. 6031108 - Process for the preparation of (2000-02-29),
14. 6025514 - Process for preparing methyl dithiocarbazinate by reacting methyl (2000-02-15),
15. 6005114 - Process for making 2-(methylthio)-5(trifluoromethyl)-1,3,4,-thiadiazole (1999-12-21),

Title: Innovator Spotlight: Vidyanatha A Prasad

Introduction

Vidyanatha A Prasad is a prolific inventor based in Leawood, Kansas, with an impressive portfolio of 37 patents to his name. His contributions to the field of chemistry and chemical processes reflect his innovative approach and technical prowess.

Latest Patents

Among his recent inventions, Prasad has developed a method for preparing O,O-dialkyl S-[2-(alkylthio)alkyl] phosphorodithioates. This novel method involves treating O,O-dialkyl dithiophosphoric acids with a base in the substantial absence of organic solvent, resulting in O,O-dialkyl dithiophosphoric acid salts. These salts are then treated with thioalcohol derivatives to create the desired phosphorodithioates.

Additionally, he has crafted processes for the production of methyl dithiocarbazinate, which employs a mixture of hydrazine, solvent, carbon disulfide, and base, followed by the introduction of methyl bromide. The methodology encompasses cooling the reaction mixture and recovering methyl dithiocarbazinate through filtration and acidification.

Career Highlights

Vidyanatha A Prasad has built his career in prestigious companies, including Bayer Corporation and Bayer Aktiengesellschaft. His work has significantly advanced the understanding and application of various chemical compounds, leading to numerous revolutionary products and processes in the industry.

Collaborations

Throughout his career, Prasad has collaborated with esteemed colleagues such as Peter E. Newallis and Klaus Jelich. These partnerships have fostered a dynamic exchange of ideas and have played a crucial role in the successful development of his innovative patents.

Conclusion

With numerous patents and a robust career in chemical innovation, Vidyanatha A Prasad exemplifies the spirit of creativity and dedication in science and technology. His contributions continue to influence the field, demonstrating the vital role of inventors in driving progress and innovation.

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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