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Lawrence W Gosser

from Port Angeles, WA
Age ~85

Lawrence Gosser Phones & Addresses

  • 120 Lopez Ave, Port Angeles, WA 98362 (360) 417-3976
  • 100 E Maples Rd, Shelton, WA 98584
  • Wilmington, DE
  • Miami, FL

Publications

Us Patents

Method For Catalytic Production Of Hydrogen Peroxide

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US Patent:
51357313, Aug 4, 1992
Filed:
May 15, 1991
Appl. No.:
7/700684
Inventors:
Lawrence W. Gosser - Wilmington DE
Michael A. Paoli - Memphis TN
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C01B 1501
US Classification:
423584
Abstract:
An improved process for directly producing hydrogen peroxide from oxygen and hydrogen is disclosed. Hydrogen and oxygen are contacted in the presence of a catalyst, acid, halide ions and a multifunctional phosphonate or phosphate preparation so as to increase hydrogen peroxide yield and decrease catalyst deactivation.

Hydrogenation Of A Diarylketone To A Diarylmethanol

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US Patent:
43024351, Nov 24, 1981
Filed:
Sep 22, 1980
Appl. No.:
6/189059
Inventors:
Lawrence W. Gosser - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07C 29136
C01B 15026
US Classification:
423591
Abstract:
Process comprising contacting and reacting a diarylketone of the formula RCOR', wherein each of R and R' is aryl, the same or different, and hydrogen over at least a catalytic amount of lead-poisoned palladium catalyst, for example, Lindlar catalyst, at a hydrogen gage pressure in the range from about 150 kPa to about 15,000 kPa, preferably from about 340 kPa to about 3400 kPa, at a temperature in the range from about 50. degree. C. to about 200. degree. C. , preferably from about 100. degree. C. to about 150. degree. C. , to produce diarylmethanol of the formula RCHOHR', wherein R and R' are as defined above.

Catalytic Process For Making Hydrogen Peroxide From Hydrogen And Oxygen Employing A Bromide Promoter

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US Patent:
47724587, Sep 20, 1988
Filed:
Nov 19, 1986
Appl. No.:
6/932360
Inventors:
Lawrence W. Gosser - Wilmington DE
Jo-Ann T. Schwartz - Chadds Ford PA
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C01B 1502
US Classification:
423584
Abstract:
A process for making hydrogen peroxide from hydrogen and oxygen employing an aqueous reaction medium containing a bromide promoter is disclosed.

Hydrogen Peroxide Method Using Optimized H+ And Br- Concentrations

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US Patent:
48897051, Dec 26, 1989
Filed:
May 13, 1988
Appl. No.:
7/193842
Inventors:
Lawrence W. Gosser - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C01B 1502
US Classification:
423584
Abstract:
A catalytic process for making H. sub. 2 O. sub. 2 from H. sub. 2 and O. sub. 2 in an aqueous medium which comprises using H. sup. + ions and BR. sup. - ions each, independently, in the range from about 0. 001 to about 0. 05 M.

Preparation Of Hydrogen Peroxide

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US Patent:
43036325, Dec 1, 1981
Filed:
Dec 14, 1979
Appl. No.:
6/103061
Inventors:
Lawrence W. Gosser - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C01B 1502
US Classification:
423591
Abstract:
Process comprising contacting and reacting a diarylmethanol having 13 to 25 carbon atoms and of the formula RCHOHR' wherein each of R and R' is aryl, the same or different, in the liquid state, at a temperature of about 130. degree. -260. degree. C. , with gaseous oxygen to produce hydrogen peroxide and diaryl ketone of the formula RCOR' wherein R and R' are the same as above.

Production Of Glyoxylic Acid From Glycolic Acid

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US Patent:
52216217, Jun 22, 1993
Filed:
May 24, 1991
Appl. No.:
7/705420
Inventors:
David L. Anton - Wilmington DE
Robert DiCosimo - Wilmington DE
Lawrence W. Gosser - Wilmington DE
Assignee:
E. I. du Pont de Nemours and Company - Wilmington DE
International Classification:
C12P 740
C12P 754
C12N 904
US Classification:
435136
Abstract:
A process or the production of glyoxylic acid involving the enzymatic oxidation of glycolic acid. The process provides a commercially practical method involving the reaction of glycolic acid in an aqueous solution at a starting concentration range of 200 mM to 2,500 mM in the presence of oxygen, glycolate oxidase and catalase at a pH of 7 to 10.

Hydrogen Peroxide Production Method Using Platinum/Palladium Catalysts

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US Patent:
48329380, May 23, 1989
Filed:
May 13, 1988
Appl. No.:
7/193843
Inventors:
Lawrence W. Gosser - Wilmington DE
Jo-Ann T. Schwartz - Chadds Ford PA
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C01B 1502
US Classification:
423584
Abstract:
An improved method for making hydrogen peroxide from the direct combination of hydrogen and oxygen using a platinum/palladium catalyst in which the weight ratio of platinum to platinum plus palladium is in the range of about 0. 02 to about 0. 2.

Enantioselective Hydrocyanation Of Aromatic Vinyl Compounds

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US Patent:
53129571, May 17, 1994
Filed:
Oct 15, 1992
Appl. No.:
7/961593
Inventors:
Albert L. Casalnuovo - Wilmington DE
Thaliyil V. Rajanbabu - Wilmington DE
Lawrence W. Gosser - Wilmington DE
Ronald J. McKinney - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07C25533
US Classification:
558410
Abstract:
The invention provides a process for enantioselective hydrocyanation of aromatic vinyl compounds which produces nonracemic mixtures of chiral, arylpropionitriles; novel carbohydrate phosphorus and nickel catalyst compositions; and optically pure (S)-(-)-2-(6-methoxy-2-naphthalene)propionitrile.
Lawrence W Gosser from Port Angeles, WA, age ~85 Get Report