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Donald B Bivens, Age 86420 Bayberry Ln, West Grove, PA 19390

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Known as:
Donald D Bivens Don B Bivens Db Bivens
Related to:
Craig L Bivens 79

Donald Bivens Phones & Addresses

420 Bayberry Ln, West Grove, PA 19390 (610) 444-3020

Kennett Square, PA

Corpus Christi, TX

Providence, RI

Chester, PA

210 W Locust Ln, Kennett Square, PA 19348 (610) 444-3020

Social networks

Donald B Bivens

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Work

Company: Dupont 1990 to 2009 Position: Technology fellow

Education

Degree: Doctorates, Doctor of Philosophy School / High School: Georgia Institute of Technology 1962 to 1966 Specialities: Chemical Engineering, Philosophy

Skills

Process Simulation • R&D • Chemical Engineering • Chemistry • Polymers • Process Engineering • Polymer Chemistry • Adhesives • Coatings • Energy • Environmental Consulting • Chemical Process Engineering • Environmental Engineering • Refrigeration • Engineering • Six Sigma

Emails

b***[email protected]

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Donald Bivens resumes & CV records

Resumes

Donald Bivens Photo 18

Donald Bivens

Location:
210 west Locust Ln, Kennett Square, PA 19348
Work:
Dupont 1990 - 2009
Technology Fellow
Education:
Georgia Institute of Technology 1962 - 1966
Doctorates, Doctor of Philosophy, Chemical Engineering, Philosophy
Skills:
Process Simulation, R&D, Chemical Engineering, Chemistry, Polymers, Process Engineering, Polymer Chemistry, Adhesives, Coatings, Energy, Environmental Consulting, Chemical Process Engineering, Environmental Engineering, Refrigeration, Engineering, Six Sigma

Publications & IP owners

Us Patents

Nitrous Oxide Compositions

US Patent:
6156225, Dec 5, 2000
Filed:
Mar 19, 1998
Appl. No.:
9/044303
Inventors:
Barbara Haviland Minor - Elkton MD
Donald Bernard Bivens - Kennett Square PA
Clifford Keith Rice - Clinton TN
James Richard Sand - Oak Ridge TN
Assignee:
E. I du Pont de Nemours and Company. - Wilmington DE
International Classification:
C09K 504
US Classification:
252 67
Abstract:
This invention relates to compositions that include nitrous oxide and at least one of trifluoromethane, difluoromethane, tetrafluoroethane, pentafluoroethane, perfluoroethane or ethane. These compositions are useful as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, refrigerants, aerosol propellants, heat transfer media, electronic gases, plasma etchants, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.

Ternary Compositions Of Ammonia, Pentafluoroethane And Difluoromethane

US Patent:
6503417, Jan 7, 2003
Filed:
Apr 12, 1999
Appl. No.:
09/290315
Inventors:
Donald Bernard Bivens - Kennett Square PA
Akimichi Yokozeki - Wilmington DE
Assignee:
E. I. du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 504
US Classification:
252 67, 510409, 510410, 62114
Abstract:
Disclosed are ternary azeotropic, azeotrope-like, and zeotropic compositions of ammonia, pentafluoroethane and difluoromethane. These compositions are useful as refrigerants, and particularly as high capacity and efficiency alternatives to binary mixtures of difluoromethane and pentafluoroethane.

Hydrofluorocarbon Compositions

US Patent:
6531441, Mar 11, 2003
Filed:
Aug 27, 1999
Appl. No.:
09/384599
Inventors:
Barbara Haviland Minor - Elkton MD
Donald Bernard Bivens - Kennett Square PA
Brooks Shawn Lunger - Newark DE
Assignee:
E. I. du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 504
US Classification:
510408, 510407, 510410
Abstract:
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and propane; 1,1,1,2-tetrafluoroethane and cyclopropane; 1,1,1-trifluoroethane and DME or propylene; 1,1-difluoroethane and propane, isobutane, butane or cyclopropane; fluoroethane and propane or cyclopropane; 1,1,1,2,2,3,3-heptafluoropropane and butane, cyclopropane, DME, isobutane or propane; or 1,1,1,2,3,3,3-heptafluoropropane and butane, cyclopropane, isobutane or propane.

Compositions Of Difluoromethane, Pentafluoroethane, 1,1,1,2-Tetrafluoroethane And Hydrocarbons

US Patent:
6783691, Aug 31, 2004
Filed:
Mar 20, 2000
Appl. No.:
09/528964
Inventors:
Donald Bernard Bivens - Kennett Square PA
Barbara Haviland Minor - Elkton MD
Akimichi Yokozeki - Wilmington DE
Assignee:
E.I. du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 504
US Classification:
252 67
Abstract:
The present invention relates to azeotrope-like compression refrigerant compositions consisting essentially of difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,1,2-tetrafluoroethane (HFC-134 ) and 0. 5-5 weight percent of a hydrocarbon selected from the group consisting of: n-butane; isobutane; n-butane and 2-methylbutane; n-butane and n-pentane; isobutane and 2-methylbutane; and isobutane and n-pentane.

Hydrofluorocarbon Compositions

US Patent:
6846792, Jan 25, 2005
Filed:
Dec 20, 2002
Appl. No.:
10/325309
Inventors:
Barbara Haviland Minor - Elkton MD, US
Donald Bernard Bivens - Kennett Square PA, US
Brooks Shawn Lunger - Newark DE, US
Assignee:
E. I. du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 504
C08J 914
US Classification:
510408, 252 67, 252 68, 62114, 521131
Abstract:
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and propane; 1,1,1,2-tetrafluoroethane and cyclopropane; 1,1,1-trifluoroethane and DME or propylene; 1,1-difluoroethane and propane, isobutane, butane or cyclopropane; fluoroethane and propane or cyclopropane; 1,1,1,2,2,3,3-heptafluoropropane and butane, cyclopropane, DME, isobutane or propane; or 1,1,1,2,3,3,3-heptafluoropropane and butane, cyclopropane, isobutane or propane.

Compositions Comprising A Fluoroolefin

US Patent:
7914698, Mar 29, 2011
Filed:
Jun 17, 2009
Appl. No.:
12/486445
Inventors:
Barbara Haviland Minor - Elkton MD, US
Velliyur Nott Mallikarjuna Rao - Wilmington DE, US
Donald Bernard Bivens - Kennett Square PA, US
Deepak Perti - Hockessin DE, US
Mark Steven Baunchalk - Hockessin DE, US
Assignee:
E.I. du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 5/04
US Classification:
252 68, 252 67, 169 45, 169 46, 264 53, 222635
Abstract:
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

Compositions Comprising Hfc-1234Yf And Hfc-125

US Patent:
7959825, Jun 14, 2011
Filed:
Jun 17, 2009
Appl. No.:
12/486490
Inventors:
Barbara Haviland Minor - Elkton MD, US
Velliyur Nott Mallikarjuna Rao - Wilmington DE, US
Donald Bernard Bivens - Kennett Square PA, US
Deepak Perti - Hockessin DE, US
Mark Steven Baunchalk - Hockessin DE, US
Assignee:
E.I. du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 5/04
US Classification:
252 68, 252 67, 264 53, 169 45, 169 46
Abstract:
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

Refrigerant Compositions Containing A Compatibilizer

US Patent:
2004022, Nov 11, 2004
Filed:
Jun 14, 2004
Appl. No.:
10/867306
Inventors:
Barbara Minor - Elkton MD, US
Keith Palmer - Kennett Square PA, US
Walter Mahler - Wilmington DE, US
Thomas Leck - Wilmington DE, US
Kai-Volker Schubert - Chadds Ford PA, US
Donald Bivens - Kennett Square PA, US
International Classification:
C09K005/00
US Classification:
252/068000
Abstract:
The present invention provides compositions that are useful for compatabilizing a conventional, non-polar, compression refrigeration lubricant and a hydrofluorocarbon and/or hydrochlorofluorocarbon refrigerant in a compression refrigeration apparatus. Additionally, these composition promote efficeint return of lubricant from the non-compressor zones to the compressor zones of the aforesaid refrigeration apparatus.

Possible Relatives

Cynthia H Bivens  David Bivens  Dawn M Bivens  Deborah L Bivens  Daniel A Bivens  Dee A Bivens  Danny L Bivens  Donald R Johnson  Donald Stamps  Donald L Stanchfield 

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