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Brian A. Parker
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Nashua, NH, US
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last 30 patents
Information
Patent Grant
Facile synthesis of phosphonomethylglycine from phosphonomethylimin...
Patent number
6,365,772
Issue date
Apr 2, 2002
Hampshire Chemical Corp.
Barry A. Cullen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of ethylenediaminetriacetic acid
Patent number
5,449,822
Issue date
Sep 12, 1995
Hampshire Chemical Corp.
Brian A. Parker
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-acyl-N,N',N'-ethylenediaminetriacetic acid derivatives and proces...
Patent number
5,284,972
Issue date
Feb 8, 1994
Hampshire Chemical Corp.
Brian A. Parker
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of ethylenediaminetriacetic acid
Patent number
5,250,728
Issue date
Oct 5, 1993
Hampshire Chemical Corp.
Brian A. Parker
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1-cyanomethyl-4-carboxymethyl-3-ketopiperazine, salts thereof and p...
Patent number
5,191,081
Issue date
Mar 2, 1993
W. R. Grace & Co.-Conn.
Brian A. Parker
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N,N'-diacetic acid-N'-cyanomethyl, salts thereof, and their prepara...
Patent number
5,191,106
Issue date
Mar 2, 1993
W. R. Grace & Co.-Conn.
Brian A. Parker
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of iminodiacetonitrile from glycolonitrile
Patent number
5,187,301
Issue date
Feb 16, 1993
W. R. Grace & Co.-Conn.
Barry A. Cullen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N,N'-diacetic acid-N'-cyanomethyl, salts thereof, and their prepara...
Patent number
5,177,243
Issue date
Jan 5, 1993
W. R. Grace & Co.-Conn.
Brian A. Parker
C07 - ORGANIC CHEMISTRY