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Patents Grants
last 30 patents
Information
Patent Grant
Pharmaceutical compositions comprising polymorphic forms α, β, and...
Patent number
8,853,231
Issue date
Oct 7, 2014
Alfa Wassermann S.p.A.
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymorphic forms α, β and γ of rifaximin
Patent number
8,835,452
Issue date
Sep 16, 2014
Alfa Wassermann S.p.A.
Giuseppe Claudio Viscomi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Rifamycin derivatives
Patent number
8,765,778
Issue date
Jul 1, 2014
Alfa Wassermann S.p.A.
Giuseppe Glaudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Rifamycin derivatives
Patent number
8,318,763
Issue date
Nov 27, 2012
Alfa Wassermann S.p.A.
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Processes for the production of polymorphic forms of rifaximin
Patent number
8,173,801
Issue date
May 8, 2012
Alfa Wassermann, S.p.A.
Giuseppe Claudio Viscomi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pharmaceutical compositions comprising polymorphic forms α, β, and...
Patent number
8,158,644
Issue date
Apr 17, 2012
Alfa Wassermann, S.p.A.
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymorphic forms α, β and γ of rifaximin
Patent number
8,158,781
Issue date
Apr 17, 2012
Alfa Wassermann, S.p.A.
Giuseppe Claudio Viscomi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes for the production of polymorphic forms of rifaximin
Patent number
7,923,553
Issue date
Apr 12, 2011
Alfa Wassermann, S.p.A.
Giuseppe Claudio Viscomi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pharmaceutical compositions comprising polymorphic forms α, β, and...
Patent number
7,906,542
Issue date
Mar 15, 2011
Alfa Wassermann, S.p.A.
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymorphic forms α, β and γ of rifaximin
Patent number
7,902,206
Issue date
Mar 8, 2011
Alfa Wassermann, S.p.A.
Giuseppe Claudio Viscomi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymorphous forms of rifaximin, processes for their production and...
Patent number
7,045,620
Issue date
May 16, 2006
Alfa Wassermann, S.p.A.
Giuseppe C. Viscomi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the synthesis of nabumetone
Patent number
RE37813
Issue date
Aug 6, 2002
Honeywell International Inc.
Vincenzo Cannata
568 - Organic compounds
Information
Patent Grant
Process for the production of alkoxycarbonyldipeptides intermediate...
Patent number
6,166,217
Issue date
Dec 26, 2000
AlliedSignal Inc.
Vincenzo Cannata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the production of alkoxycarbonyl-dipeptides intermediat...
Patent number
6,031,112
Issue date
Feb 29, 2000
P.F.C. Italiana S.r.l.
Vincenzo Cannata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the production of the form I of the anhydrous terazosin...
Patent number
5,859,245
Issue date
Jan 12, 1999
Alfa Chemicals Italiana S.r.l.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of the form I of the terazosin monohydro...
Patent number
5,856,482
Issue date
Jan 5, 1999
ALFA Chemicals Italiana S.R.L.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for manufacturing 1-(3-trifluoromethyl)-phenyl-propan-2-one...
Patent number
5,811,586
Issue date
Sep 22, 1998
Alfa Chemicals Italiana S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of the isomers (R) and (S)-.alpha.-methy...
Patent number
5,808,156
Issue date
Sep 15, 1998
Alfa Chemicals Italiana S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the synthesis of nabumetone
Patent number
5,750,793
Issue date
May 12, 1998
Alfa Chemicals Italiana S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the debromination of 2-substituted-5-bromo-6-methoxynap...
Patent number
5,107,013
Issue date
Apr 21, 1992
Alfa Wassermann S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the synthesis of the .alpha.-(-methyl-ethyl)-3,4-dimeth...
Patent number
5,097,058
Issue date
Mar 17, 1992
Alfa Wassermann S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the synthesis of the N-methyl-3,4-dimethoxyphenylethyla...
Patent number
5,057,624
Issue date
Oct 15, 1991
ALFA Wassermann S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the synthesis of optically active aminoacids
Patent number
5,041,637
Issue date
Aug 20, 1991
Presidenza del Consiglio del Ministri-Ufficio del Ministro per il Coordinamen...
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the synthesis of the levodopa
Patent number
4,962,223
Issue date
Oct 9, 1990
Ministero dell'Universita e delle Ricerca Scientifica e Tecnologica
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical resolution of racemic mixtures of alpha-naphthylpropionic a...
Patent number
4,724,102
Issue date
Feb 9, 1988
Alfa Chemicals Italiana S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the optical resolution of racemic mixtures of .alpha.-n...
Patent number
4,661,628
Issue date
Apr 28, 1987
Alfa Chemicals Italiana S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the optical resolution of racemic mixtures of .alpha.-n...
Patent number
4,622,419
Issue date
Nov 11, 1986
Alfa Chemicals Italiana S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the synthesis of pyrido-imidazo rifamycins
Patent number
4,557,866
Issue date
Dec 10, 1985
Alfa Farmaceutici S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of the d-2-(6-methoxy-2-naphthyl)-propi...
Patent number
4,423,244
Issue date
Dec 27, 1983
Alfa Chemicals Italiana S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the optical resolution of mixtures of D- and L-2-(6-met...
Patent number
4,399,284
Issue date
Aug 16, 1983
Alfa Farmaceutici S.p.A.
Vincenzo Cannata
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20220127283
Publication date
Apr 28, 2022
ALFASIGMA S.p.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20220119410
Publication date
Apr 21, 2022
ALFASIGMA S.p.A.
Giuseppe Claudio VISCOMI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20200339599
Publication date
Oct 29, 2020
ALFASIGMA S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20200339600
Publication date
Oct 29, 2020
ALFASIGMA S.P.A.
Giuseppe Claudio VISCOMI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20190263829
Publication date
Aug 29, 2019
ALFASIGMA S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20190263830
Publication date
Aug 29, 2019
ALFASIGMA S.P.A.
Giuseppe Claudio VISCOMI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20190135830
Publication date
May 9, 2019
ALFASIGMA S.P.A.
Giuseppe Claudio VISCOMI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20190135831
Publication date
May 9, 2019
ALFASIGMA S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20180065988
Publication date
Mar 8, 2018
ALFA WASSERMANN S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20180065987
Publication date
Mar 8, 2018
ALFA WASSERMANN S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20170210758
Publication date
Jul 27, 2017
ALFA WASSERMANN S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20170210757
Publication date
Jul 27, 2017
ALFA WASSERMANN S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20150182508
Publication date
Jul 2, 2015
ALFA WASSERMANN S.P.A.
Giuseppe Claudio VISCOMI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20150175627
Publication date
Jun 25, 2015
ALFA WASSERMANN S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20130289269
Publication date
Oct 31, 2013
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
RIFAMYCIN DERIVATIVES
Publication number
20130287692
Publication date
Oct 31, 2013
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20130281697
Publication date
Oct 24, 2013
Giuseppe Claudio Viscomi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RIFAXIMIN COMPOSITIONS AND METHOD OF USE
Publication number
20120258166
Publication date
Oct 11, 2012
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES FOR THE PRODUCTION OF POLYMORPHIC FORMS OF RIFAXIMIN
Publication number
20120214989
Publication date
Aug 23, 2012
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20120202989
Publication date
Aug 9, 2012
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20120203000
Publication date
Aug 9, 2012
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RIFAXIMIN COMPOSITIONS AND METHOD OF USE
Publication number
20120035202
Publication date
Feb 9, 2012
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES FOR THE PRODUCTION OF POLYMORPHIC FORMS OF RIFAXIMIN
Publication number
20110160449
Publication date
Jun 30, 2011
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20110160448
Publication date
Jun 30, 2011
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20110152516
Publication date
Jun 23, 2011
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
RIFAXIMIN COMPOSITIONS AND METHOD OF USE
Publication number
20110086871
Publication date
Apr 14, 2011
ALFA WASSERMANN, S.P.A.
Giuseppe Claudio VISCOMI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RIFAMYCIN DERIVATIVES
Publication number
20100267654
Publication date
Oct 21, 2010
ALFA WASSERMAN, S.P.A.
Giuseppe C. VISCOMI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN
Publication number
20080262220
Publication date
Oct 23, 2008
Giuseppe Claudio Viscomi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BET...
Publication number
20080262012
Publication date
Oct 23, 2008
Giuseppe Claudio Viscomi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESSES FOR THE PRODUCTION OF POLYMORPHIC FORMS OF RIFAXIMIN
Publication number
20080262232
Publication date
Oct 23, 2008
Giuseppe Claudio Viscomi
C07 - ORGANIC CHEMISTRY