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18 inventors (with patents filed for the assignee):

Carlos Sunkel (4 out of 11 patents)

Carlos Sunkel Letelier (3 out of 4 patents)

Miguel Fau De Casa-Juana (3 out of 6 patents)

4. Jaime Priego (3 out of 4 patents)

5. Pilar Ortega (3 out of 3 patents)

6. Luis Santos (2 out of 3 patents)

7. Fernando Dorrego (2 out of 2 patents)

8. Julio Alvarez-Builla (1 out of 7 patents)

9. Juan J Vaquero (1 out of 2 patents)

10. Mariano Sanchez-Crespo (1 out of 1 patent)

11. Fernando Cillero Grafulla (1 out of 1 patent)

12. Fernando CilleroGrafulla (1 out of 1 patent)

13. Fernando Cillero Grafulia (1 out of 1 patent)

14. Javier Cillero (1 out of 1 patent)

15. Miguel Fay De Casa Juana (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5298619 - 1,4-dihydropyridine compounds with PAF-antagonistic activity (1994-03-29),

2. 5177211 - 4-alkyl-1,4-dihydropyridines with PAF-antagonist activity (1993-01-05),

3. 4880894 - Quaternary ammonium salts used as phase transfer catalyst (1989-11-14),

4. 4782069 - 1,4-Dihydropiridines and their use as antithrombotic drugs (1988-11-01),

5. 4028369 - Preparation of glycol (1977-06-07),

6. 4017502 - Process for purifying the mixed ester, ethylene glycol (1977-04-12),

7. 4014921 - O-Acetoxy benzoate ester of 2(p-acetamido-phenyloxy)ethyl alcohol (1977-03-29),

Alter, S.a. is a leading company specializing in innovative solutions for the renewable energy and environmental technology sectors. With a strong focus on sustainability and green technologies, Alter, S.a. develops cutting-edge products and services to meet the growing demand for clean energy solutions. Their team of experts is dedicated to providing high-quality and reliable solutions that help businesses and communities reduce their carbon footprint and achieve their sustainability goals.

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USPTO Data Jan 1 1976 - Dec 2 2025

7 Patents

#42 in Madrid

#294 in Spain

Madrid, Spain

Alter, S.a.