BC

Barry A. Cullen

HC Hampshire Chemical: 9 patents #2 of 38Top 6%
W& W. R. Grace &: 1 patents #186 of 433Top 45%
WC W.R. Grace & Co.-Conn.: 1 patents #543 of 1,045Top 55%
📍 Amherst, NH: #43 of 319 inventorsTop 15%
🗺 New Hampshire: #1,342 of 12,181 inventorsTop 15%
Overall (All Time): #472,148 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6365772 Facile synthesis of phosphonomethylglycine from phosphonomethyliminodiacetic acid Brian A. Parker 2002-04-02
6118022 Synthesis of phosphonomethyliminodiacetic acid with reduced effluent 2000-09-12
5993504 Plant micronutrient chelating surfactant compounds Arthur M. Nonomura, Joseph J. Crudden, John J. Nishio 1999-11-30
5962717 Plant micronutrient chelating surfactant compounds Arthur M. Nonomura, Joseph J. Crudden, John J. Nishio 1999-10-05
5843866 Pesticidal compositions comprising solutions of polyurea and/or polyurethane Brian A. Parker, Longin V. Holejko, Jonathan Davis 1998-12-01
5449822 Preparation of ethylenediaminetriacetic acid Brian A. Parker, Roger R. Gaudette 1995-09-12
5312972 Conversion of hydroxymethyl-iminodiacetic acid to phosphonomethyl-iminodiacetic acid 1994-05-17
5284972 N-acyl-N,N',N'-ethylenediaminetriacetic acid derivatives and process of preparing same Brian A. Parker 1994-02-08
5250728 Preparation of ethylenediaminetriacetic acid Brian A. Parker, Roger R. Gaudette 1993-10-05
5187301 Preparation of iminodiacetonitrile from glycolonitrile Brian A. Parker 1993-02-16
H4 Processs for the preparation of iminodiacetonitrile 1985-12-03