logo

For the Inventor, By the Inventor

Basel, Switzerland

Visvanathan Ramanathan

USPTO Granted Patents = 25

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 180(Granted Patents)


Location History:

  • Basel, CH (1976 - 1990)
  • Basle, CH (1993)

Company Filing History:

goldMedal16 out of 6,850 
 
Ciba-geigy Corporation
 patents
silverMedal9 out of 595 
 
Ciba-geigy Ag
 patents

Years Active: 1976-1993

Loading Chart...
25 patents (USPTO):Explore Patents
1. 5196521 - Azo dyes prepared using 2-alkylamino-3-cyano-4,6-diaminopyridines as (1993-03-23),
2. 4927865 - Anthraquinoylcarboxylic acid hydrazides, curable compositions and use (1990-05-22),
3. 4924015 - Substituted anthraquinones and use thereof in epoxy resins (1990-05-08),
4. 4855084 - Anthraquinoylcarboxylic acid hydrazides, curable compositions and use (1989-08-08),
5. 4654384 - Basic water-soluble bis-(.beta.-azo-.alpha.-naphtholamino)-triazine (1987-03-31),
6. 4581445 - Cationic benzothiazole disazo compounds (1986-04-08),
7. 4562247 - Disazo compounds containing a 6-acetoacetamide-1-naphthol-3-sulfonic (1985-12-31),
8. 4517358 - Disazo bis-benzthiazolyl compounds (1985-05-14),
9. 4208324 - Disperse diaminopyridine-3-azo dyestuffs (1980-06-17),
10. 4179435 - Azo dyestuffs having a carboxyl group and a substituted sulfonylimino (1979-12-18),
11. 4116965 - Styryl dyestuffs containing certain amino, cyanopyridine moieties (1978-09-26),
12. 4115381 - Azo dyestuffs having a carboxyl group and an iminosulfonamido, (1978-09-19),
13. 4101541 - 3-Cyano-1,2,4-thiadiazolyl-5-czo dyestuffs (1978-07-18),
14. 4091025 - Process for the manufacture of nitroaminopyridines (1978-05-23),
15. 4084053 - Polycyclic compounds (1978-04-11),

Title: Visvanathan Ramanathan: Innovator in Textile Dyes and Coating Compositions

Introduction

Visvanathan Ramanathan, based in Basel, Switzerland, is an accomplished inventor with a remarkable portfolio of 25 patents. His contributions primarily focus on the development of innovative dyes and coatings that enhance the performance and aesthetic appeal of materials.

Latest Patents

Ramanathan's latest patents include groundbreaking work on azo dyes synthesized using 2-alkylamino-3-cyano-4,6-diaminopyridines. These dyes, characterized by specific formulas, offer excellent lightfastness when used on polyester materials, providing vibrant red hues. Another significant patent involves anthraquinoylcarboxylic acid hydrazides and their application in curable compositions. These compositions, which include epoxy resins and anthraquinones, are photosensitive and contribute to the preparation of coatings and metallic images through electroless metal deposition.

Career Highlights

Ramanathan has held notable positions in well-regarded companies such as Ciba-Geigy Corporation and Ciba-Geigy AG. His expertise in dye chemistry and material science has paved the way for advancements in the textile and coatings industries. His innovative approach to developing high-performance materials has significantly impacted product quality and manufacturing processes.

Collaborations

Throughout his career, Ramanathan has collaborated with other esteemed professionals, including Nalin Binduprasad Desai and Rudolf Duthaler. These collaborations have fostered the exchange of ideas and expertise, further enhancing the scope of his research and development efforts.

Conclusion

Visvanathan Ramanathan's contributions to innovations in dye technology and coating formulations highlight the importance of creativity and scientific inquiry in advancing industrial applications. His work continues to inspire future innovations in the field, making him a noteworthy figure among contemporary inventors.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…