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last 30 patents
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Patent Grant
6-Methoxy-2-acethylnaphthalene oximes
Patent number
4,267,334
Issue date
May 12, 1981
Productos Esteve Internacional S.A.
Antonio Esteve Subirana
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
4-Tert. butyl-3'-chlorodiphenylamine derivatives, their preparation...
Patent number
4,216,214
Issue date
Aug 5, 1980
PRODESIN (Productos Esteve Internacional S.A.)
Antonio Esteve Subirana
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,5-Dihydroxy benzene sulfonic acid mono esters
Patent number
4,115,648
Issue date
Sep 19, 1978
Laboratorios del Dr. Esteve, S.A.
Antonio Esteve-Subirana
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Salts of p-dihydroxybenzene disulfonic acids for combatting hemorrh...
Patent number
4,038,390
Issue date
Jul 26, 1977
Laboratorios del Dr. Esteve, S.A.
Antonio Esteve-Subirana
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,5-Dihydroxy benzene sulfonic acid mono- and diesters
Patent number
4,031,240
Issue date
Jun 21, 1977
Laboratorios Del Dr. Esteve SA
Antonio Esteve-Subirana
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hemostatic compositions comprising salts of substituted hydroquinon...
Patent number
4,005,220
Issue date
Jan 25, 1977
Laboratorios del Dr. Esteve, S.A.
Antonio Esteve-Subirana
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperazine salts of 2,5-dihydroxy benzene sulfonic acid mono- and d...
Patent number
3,954,767
Issue date
May 4, 1976
Antonio Esteve-Subirana
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Salts of novel p-dihydroxybenezene disulfonic acids
Patent number
3,947,448
Issue date
Mar 30, 1976
Laboratorios Del Dr. Esteve SA
Antonio Esteve-Subirana
C07 - ORGANIC CHEMISTRY