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William W Prichard, 837931 Riverview Ave, Pittsburgh, PA 15218

William Prichard Phones & Addresses

7931 Riverview Ave, Pittsburgh, PA 15218    412-2449410    412-4149410   

Hockessin, DE   

7931 Riverview Ave, Pittsburgh, PA 15218    412-5271635   

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William H Prichard

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License #: RS027606A - Expired
Category: Real Estate Commission
Type: Real Estate Salesperson-Standard

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William Prichard

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William Prichard

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William Prichard

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William Prichard

William Prichard may refer to: William Prichard (bobsleigh), Swiss bobsledder; William Prichard (rector) (c. 15631629), Welsh clergyman and academic at the
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William Prichard (Rector)

William Prichard (c. 1563 1629) was a Welsh clergyman and academic at the University of Oxford. Life. Prichard, from Monmouthshire, matriculated at Jesus

Us Patents

Pd/Re Hydrogenation Catalyst For Making Tetrahydrofuran And 1,4-Butanediol

US Patent:
4609636, Sep 2, 1986
Filed:
Jun 4, 1985
Appl. No.:
6/741264
Inventors:
Melinda A. Mabry - Wilmington DE
William W. Prichard - Hockessin DE
Stanislaw B. Ziemecki - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
B01J 2118
B01J 2364
C07D30708
US Classification:
502183
Abstract:
Palladium/rhenium-on-carbon catalyst; a method employing said catalyst to produce tetrahydrofuran, 1,4-butanediol or mixtures thereof in selectable ratios from a number of starting reactants; and a method for making the Pd/Re/C catalyst.

Hydrogenation Of Butadienepolyperoxide To Unsaturated Diols

US Patent:
4209651, Jun 24, 1980
Filed:
Feb 21, 1979
Appl. No.:
6/013236
Inventors:
William W. Prichard - Hockessin DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07C 3120
C07C 3302
US Classification:
568861
Abstract:
A process for the hydrogenation of butadienepolyperoxide in a suitable solvent, e. g. , tetrahydrofuran, at temperatures of 75. degree. -110. degree. C. and pressure above 2000 psia by contacting the butadienepolyperoxide and hydrogen in the presence of metallic silver. The process produces 1-butene-3,4-diol and 2-butene-1,4-diol.

Hydrogenation Of Butadienepolyperoxide With Activated Phase-Pure Nial.sub.3

US Patent:
4247722, Jan 27, 1981
Filed:
Mar 5, 1980
Appl. No.:
6/127456
Inventors:
Michael J. Kelley - Kennett Square PA
William W. Prichard - Hockessin DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07C 3120
US Classification:
568861
Abstract:
A process for hydrogenation of butadienepolyperoxide to 1,2-butanediol and 1,4-butanediol which comprises hydrogenating a mixture of butadienepolyperoxide in a solvent and with a catalyst comprising an activated phase-pure NiAl. sub. 3 at a temperature of from 75. degree. -120. degree. C. and a pressure of at least 1000 psi.

Process For Making Tetrahydrofuran And 1,4-Butanediol Using Pd/Re Hydrogenation Catalyst

US Patent:
4550185, Oct 29, 1985
Filed:
Dec 22, 1983
Appl. No.:
6/564372
Inventors:
Melinda A. Mabry - Wilmington DE
William W. Prichard - Hockessin DE
Stanislaw B. Ziemecki - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07D30708
US Classification:
549508
Abstract:
Palladium/rhenium-on-carbon catalyst; a method employing said catalyst to produce tetrahydrofuran, 1,4-butanediol or mixtures thereof in selectable ratios from a number of starting reactants; and a method for making the Pd/Re/C catalyst.

Process For The Preparation Of 2,5-Dihydrofuran

US Patent:
4255338, Mar 10, 1981
Filed:
Oct 12, 1979
Appl. No.:
6/084631
Inventors:
William W. Prichard - Hockessin DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07D30728
US Classification:
26034611
Abstract:
A process for the hydrogenation of butadienepolyperoxide in a suitable solvent, e. g. , tetrahydrofuran, at temperatures of 75. degree. -110. degree. C. and pressure above 2000 psia by contacting the butadienepolyperoxide and hydrogen in the presence of metallic silver. The process produces 1-butene-3,4-diol and 2-butene-1,4-diol.

Conversion Of Furan To 1,4-Butanediol And Tetrahydrofuran

US Patent:
4146741, Mar 27, 1979
Filed:
Aug 15, 1977
Appl. No.:
5/824841
Inventors:
William W. Prichard - Hockessin DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07C 3118
US Classification:
568865
Abstract:
Furan is hydrogenated in the presence of a nickel catalyst and a dicarboxylic acid having 4 to 10 carbons to produce 1,4-butanediol and tetrahydrofuran.

Oxidation Of Butadiene To Furan

US Patent:
4298531, Nov 3, 1981
Filed:
Dec 15, 1980
Appl. No.:
6/215711
Inventors:
Richard V. Lindsey - Hockessin DE
William W. Prichard - Hockessin DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07D30736
US Classification:
26034611
Abstract:
Process for preparing furan from 1,3-butadiene, the process comprising contacting the butadiene, at about 65. degree. C. to about 120. degree. C. , with a solution having a pH of 0-2. 5 and containing palladium ions and a heteropolyacid having a redox potential greater than 0. 5 volt, to produce furan.

Substituted Diphenyl-3-Formazancarbonitrile Insecticides

US Patent:
4069320, Jan 17, 1978
Filed:
Jan 23, 1976
Appl. No.:
5/651954
Inventors:
William W. Prichard - Hockessin DE
Francis Wilfred Stacey - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
A01N 920
C07C10700
US Classification:
424226
Abstract:
Substituted 1,5-diphenyl-3-formazancarbonitriles, certain of which are novel, are useful in controlling insects. A preferred compound is 1,5-bis(4-trifluoromethylphenyl)-3-formazancarbonitrile.

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