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For the Inventor, By the Inventor

Bottmingen, Switzerland

Armand Roueche

USPTO Granted Patents = 13

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 59(Granted Patents)


Company Filing History:

goldMedal13 out of 6,850 
 
Ciba-geigy Corporation
 patents

Years Active: 1976-1983

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13 patents (USPTO):Explore Patents
1. 4392999 - Monoazo pigments containing hydroxynaphthoylamino benzimidazolone radical (1983-07-12),
2. 4370431 - Process for coloring fibre forming polyamides in the melt with azo (1983-01-25),
3. 4340430 - Azo pigments, process for their production and their use (1982-07-20),
4. 4334932 - Pigment formulations, processes for their preparation and their use for (1982-06-15),
5. 4269976 - Pigment of sodium salt of bis-methine-barbituric acid (1981-05-26),
6. 4229344 - Monazo pigments containing hydroxynaphthoylaminobenzimidazalone radical (1980-10-21),
7. 4220586 - Hetero-aryl azo acylamino substituted aceto-acetarylide pigments (1980-09-02),
8. 4206114 - Monoazo pigments from diazotized 5-acylaminoanthranilic acid derivatives (1980-06-03),
9. 4093613 - Trisazo pigments containing two barbituric acid coupling components (1978-06-06),
10. 4053464 - Disazo pigments containing ether substituted alkoxy carbonyl groups (1977-10-11),
11. 4012371 - Benzinaldazolyl-, quinolonyl-, or (1977-03-15),
12. 3988312 - Tetrakisazo pigments prepared by reacting an aminoazobenzene and an (1976-10-26),
13. 3978038 - Disazo pigments containing at least one nitro group on the diazo (1976-08-31),

Title: Armand Roueche: Innovator in Azo Pigments

Introduction

Armand Roueche is a notable inventor based in Bottmingen, Switzerland. He has made significant contributions to the field of pigments, particularly in the development of azo pigments. With a total of 13 patents to his name, Roueche's work has had a lasting impact on the industry.

Latest Patents

Among his latest patents is the invention of monoazo pigments containing a hydroxynaphthoylaminobenzimidazolone radical. This innovation relates to pigments that are useful for coloring high molecular materials in orange to brown shades, exhibiting excellent fastness properties. Another significant patent involves a process for coloring fiber-forming polyamides in the melt with azo pigments. This process allows for the creation of articles that have strong yellow shades with excellent fastness to light, wet processing, rubbing, and thermofixation.

Career Highlights

Armand Roueche has been associated with Ciba-Geigy Corporation, a company known for its advancements in chemical products. His work has contributed to the development of high-quality pigments that are widely used in various applications.

Collaborations

Roueche has collaborated with notable coworkers such as Georg Cseh and Stefan Hari, further enhancing the innovative efforts within his field.

Conclusion

Armand Roueche's contributions to the field of azo pigments and his numerous patents highlight his role as a significant inventor. His work continues to influence the industry, showcasing the importance of innovation in chemical applications.

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