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Patents Grants
last 30 patents
Information
Patent Grant
Diamine-benzophenones and a process for the preparation thereof
Patent number
4,201,723
Issue date
May 6, 1980
Richter Gedeon Vegyeszeti Gyar Rt.
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C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diamino-androstanes and a process for the preparation of the said c...
Patent number
4,101,545
Issue date
Jul 18, 1978
Richter Gedeon Vegyeszeti Gyar Rt.
Zoltan Tuba
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted nitrobenzophenone derivatives and a process for the pre...
Patent number
4,064,121
Issue date
Dec 20, 1977
Richter Gedeon Vegyeszeti Gyar Rt
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C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diamine-benzophenones and a process for the preparation thereof
Patent number
3,989,701
Issue date
Nov 2, 1976
Richter Gedeon Vegyeszeti Gyar Rt
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C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted nitrobenzophenone derivatives
Patent number
3,957,777
Issue date
May 18, 1976
Richter Gedeon Vegyeszeti Gyar Rt
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C07 - ORGANIC CHEMISTRY