Membership
Tour
Register
Log in
Michael O'Brien
Follow
Person
Berwyn, PA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Alpha-substitution of unprotected β-amino ester compounds
Patent number
6,433,209
Issue date
Aug 13, 2002
Aventis Pharmaceuticals Inc.
Sithamalli V. Chandramouli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Steroespecific preparation of chiral 1-aryl- and 1-heteroaryl-2-sub...
Patent number
6,433,172
Issue date
Aug 13, 2002
Aventis Pharmaceuticals Inc.
Luc Grondard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing N6-substituted adenosine derivatives
Patent number
6,429,315
Issue date
Aug 6, 2002
Aventis Pharmaceuticals Inc.
Adam W. Sledeski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing N6-substituted adenosine derivatives
Patent number
6,184,382
Issue date
Feb 6, 2001
Aventis Pharmaceuticals Products Inc.
Diane C. Salazar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of [1S-[1A,2B,3B,4A(S*)]]-4-[7-[[1-(3-chloro-2-thienyl)...
Patent number
6,143,894
Issue date
Nov 7, 2000
Aventis Pharmaceuticals Products Inc.
Michael K. O'Brien
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stereospecific preparation of chiral 1-aryl-and 1-heteroaryl-2-subs...
Patent number
6,127,550
Issue date
Oct 3, 2000
Rhone Poulenc Rorer Pharmaceuticals Inc.
Luc Grondard
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...
Patent number
5,886,192
Issue date
Mar 23, 1999
Rhone-Poulenc Rorer S.A.
Patrick Leon
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...
Patent number
5,831,096
Issue date
Nov 3, 1998
Rhone-Poulenc Rorer S.A.
Patrick Leon
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...
Patent number
5,808,093
Issue date
Sep 15, 1998
Rhone-Poulenc Rorer S.A.
Michael O'Brien
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nonlinear optical media of organosilicon crosslinked polymer
Patent number
5,714,304
Issue date
Feb 3, 1998
Hercules Incorporated
Wayne M. Gibbons
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...
Patent number
5,684,159
Issue date
Nov 4, 1997
Rhone-Poulenc Rorer S.A.
Michael O'Brien
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organosilicon polymers, and dyes, exhibiting nonlinear optical resp...
Patent number
5,663,308
Issue date
Sep 2, 1997
Hercules Incorporated
Wayne Michael Gibbons
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Organosilicon polymers, and dyes, exhibiting nonlinear optical resp...
Patent number
5,605,726
Issue date
Feb 25, 1997
Herecules Incorporated
Wayne M. Gibbons
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dichroic azo dyes
Patent number
5,589,100
Issue date
Dec 31, 1996
Hercules Incorporated
Robert P. Grasso
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Arylazo and poly(arylazo) dyes having at least one core radical sel...
Patent number
5,326,865
Issue date
Jul 5, 1994
Hercules Incorporated
Robert P. Grasso
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organosilicon polymers, and dyes, exhibiting nonlinear optical resp...
Patent number
5,298,588
Issue date
Mar 29, 1994
Hercules Incorporated
Wayne M. Gibbons
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Organosilicon polymers, and dyes, exhibiting nonlinear optical resp...
Patent number
5,254,655
Issue date
Oct 19, 1993
Hercules Incorporated
Wayne M. Gibbons
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Novel processes for the preparation of adenosine compounds and inte...
Publication number
20030069423
Publication date
Apr 10, 2003
Timothy A. Ayers
C07 - ORGANIC CHEMISTRY