John C Chien

US Patent:

6849194, Feb 1, 2005

Filed:

May 12, 2003

Appl. No.:

10/435455

Inventors:

Mark Robin - West Lafayette IN, US
Thomas F. Rowland - El Dorado AR, US
John Chien - West Lafayette IN, US
Janet Boggs - Brownsburg IN, US
Mitchel Cohn - West Lafayette IN, US
Vicki Hedrick - Brookston IN, US
Stephan Brandstadter - Indianapolis IN, US

Assignee:

PCBU Services, Inc. - Wilmington DE

International Classification:

A62D 108
C09K 500
A62C 200
A62C 300
C07C 4312

US Classification:

252 8, 252 2, 252364, 252 77, 169 45, 169 46, 169 47, 568681, 568683, 568684, 568685, 510411, 510412

Abstract:

Highly fluorinated, saturated, and unsaturated fluoroethers are efficient, economical, non-ozone-depleting fire extinguishing agents used alone or in blends with other fire extinguishing agents in total flooding and portable systems. Methods for producing ethers, halogenated ether intermediates, and fluoroethers are disclosed. Novel fluoroether compositions are disclosed. Fluoroether extinguishing mixtures, methods, and systems are disclosed.

US Patent:

7329786, Feb 12, 2008

Filed:

Sep 28, 2001

Appl. No.:

09/966158

Inventors:

Yuichi Iikubo - West Lafayette IN, US
Stephen Owens - White Pine TN, US
Mitchel Cohn - West Lafayette IN, US
Stephan M. Brandstadter - Indianapolis IN, US
Vicki E. Hedrick - Brookston IN, US
Janet K. Boggs - Brownsburg IN, US
John Chengping Chien - West Lafayette IN, US
Julie Sacarias - El Dorado AR, US
Vimal Sharma - Eldorado AR, US

Assignee:

Great Lakes Chemical Corporation - West Lafayette IN

International Classification:

C07C 17/013
C07C 17/093
C07C 17/10
C07C 17/35
C07C 19/08

US Classification:

570165, 570153, 570155, 570163, 570166, 570167, 570168, 570169, 570170, 570176, 570156

Abstract:

Methods and materials are provided for the production of essentially isomerically pure perhalogenated and partially halogenated compounds. One embodiment of the present invention provides a process for the production of essentially isomerically pure CFC-216aa. Other embodiments include processes for the production of CFC-217ba and HFC-227ea. Particular embodiments of the present invention provide separation techniques for the separation of chlorofluorocarbons from HF, from other chlorofluorocarbons, and the separation of isomers of halogenated compounds. Still other embodiments of the present invention provide catalytic synthetic techniques that demonstrate extended catalyst lifetime. In other embodiments, the present invention provides catalytic techniques for the purification of isomeric mixtures.

US Patent:

7943567, May 17, 2011

Filed:

Jan 28, 2005

Appl. No.:

10/587444

Inventors:

Janet Boggs - Crawfordsville IN, US
Stephan Brandstadter - Indianapolis IN, US
John Chien - West Lafayette IN, US
Vimal Sharma - West Lafayette IN, US
E. Bradley Edwards - Lafayette IN, US
Vicki Hedrick - Brookston IN, US
Andrew Jackson - West Lafayette IN, US
Gregory Leman - Waco TX, US
Edward Norman - Chester Springs PA, US
Robert Kaufman - St. Louis MO, US

Assignee:

E.I. du Pont de Nemours and Company - Wilmington DE

International Classification:

C11D 1/00
C11D 3/24
C07C 17/00
C07C 19/08
C07C 21/18
C07C 22/08

US Classification:

510535, 510475, 570123, 570125, 570126, 570127, 570138

Abstract:

Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol's, reacting olefins and a saturated compounds, reacting reactants having at least two —CFgroups with reactants having cyclic groups. R-compositions such as R-intermediates, R-surfactants, R-monomers, R-monomer units, R-metal complexes, R-phosphate esters, R-glycols, R-urethanes, and/or R-foam stabilizers. The Rportion can include at least two —CFgroups, at least three —CFgroups, and/or at least two —CFgroups and at least two —CH— groups. Detergents, emulsifiers, paints, adhesives, inks, wetting agents, foamers, and defoamers including the R-surfactant composition are provided. Acrylics, resins, and polymers are provided that include a R-monomer unit. Compositions are provided that include a substrate having a R-composition thereover.

US Patent:

7964553, Jun 21, 2011

Filed:

Sep 4, 2007

Appl. No.:

11/899065

Inventors:

Andrew Jackson - West Lafayette IN, US
Vimal Sharma - West Lafayette IN, US
E. Bradley Edwards - Lafayette IN, US
Janet Boggs - Crawfordsville IN, US
Vicki Hedrick - Brookston IN, US
Stephan Brandstadter - Indianapolis IN, US
John Chien - West Lafayette IN, US
Edward Norman - Chester Springs IN, US
Robert Kaufman - St. Louis MO, US
Bruno Ameduri - Montpellier, FR
George K. Kostov - Montpellier, FR

Assignee:

E. I. Dupont de Nmeours and Company - Wilmington DE

International Classification:

C11D 1/00
C11D 3/24
C07C 17/00
C07C 19/08
C07C 21/18
C07C 22/08

US Classification:

510535, 510475, 570123, 570125, 570126, 570138, 570139

Abstract:

R-compositions including surfactants, foam stabilizers, monomers, polymers, urethanes, intermediates, metal complexes, phosphate esters as well as telomerization methods are provided.

US Patent:

8148584, Apr 3, 2012

Filed:

Nov 13, 2006

Appl. No.:

11/559330

Inventors:

Vicki Hedrick - Brookston IN, US
John Chien - West Lafayette IN, US
Janet Boggs - Crawfordsville IN, US
Andrew Jackson - West Lafayette IN, US
E. Bradley Edwards - Lafayette IN, US
Stephan Brandstadter - Indianapolis IN, US

Assignee:

E.I. du Pont de Nemours and Company - Wilmington DE

International Classification:

C07C 17/093

US Classification:

570123, 570101, 252 2, 252 71, 252364

Abstract:

Compositions comprising.

US Patent:

8318656, Nov 27, 2012

Filed:

Feb 10, 2011

Appl. No.:

13/024836

Inventors:

Janet Boggs - Crawfordsville IN, US
Stephan Brandstadter - Indianapolis IN, US
John Chien - West Lafayette IN, US
Vimal Sharma - West Lafayette IN, US
E. Bradley Edwards - Lafayette IN, US
Vicki Hedrick - Brookston IN, US
Andrew Jackson - West Lafayette IN, US
Gregory Leman - Waco TX, US
Edward Norman - Chester Springs PA, US
Robert Kaufman - St. Louis MO, US

Assignee:

E. I. du Pont de Nemours and Company - Wilmington DE

International Classification:

C11D 1/00
C11D 3/24
C07C 17/00
C07C 19/08
C07C 21/18
C07C 22/08

US Classification:

510535, 510475, 570123, 570125, 570126, 570127, 570138, 564 96

Abstract:

Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol's, reacting olefins and a saturated compounds, reacting reactants having at least two —CFgroups with reactants having cyclic groups, R-compositions such as R-intermediates, R-surfactants, R-monomers, R-monomer units, R-metal complexes, R-phosphate esters, R-glycols, R-urethanes, and or R-foam stabilizers. The Rportion can include at least two groups —CFgroups, at least three —CFgroups, and/or at least two —CFgroups and at least two —CHgroups. Detergents, emulsifiers, paints, adhesives, inks, wetting agents, foamers, and defoamers including the R-surfactant composition are provided. Acrylics, resins, and polymers are provided that include a R-monomer unit. Compositions are provided that include a substrate having a R-composition thereover.

US Patent:

20050177012, Aug 11, 2005

Filed:

Jan 19, 2005

Appl. No.:

11/038982

Inventors:

Mitchel Cohn - West Lafayette IN, US
John Chien - West Lafayette IN, US

International Classification:

C07C019/08

US Classification:

570237000

Abstract:

Halocarbon production processes are provided that can include reacting at least one C-2 halocarbon with at least one C-1 halocarbon in the presence of a phosphate to produce at least one C-3 chlorocarbon. The processes can include reacting ethylene with carbon tetrachloride in the presence of a phosphate. Halocarbon separation processes are provided that can include providing a reaction product that includes at least one saturated fluorocarbon and at least one unsaturated fluorocarbon and adding at least one hydrohalogen to produce a distillation mixture. Methods and materials are provided for the production and purification of halogenated compounds and intermediates in the production of 1,1,1,3,3-pentafluoropropane.

US Patent:

20070149437, Jun 28, 2007

Filed:

Jan 28, 2005

Appl. No.:

10/587479

Inventors:

Janet Boggs - Brownsburg IN, US
Stephan Brandstadter - Indianapolis IN, US
John Chien - West Lafayette IN, US
Vimal Sharma - West Lafayette IN, US
E. Bradley Edwards - Lafayette IN, US
Victoria Hedrick - Brookston IN, US
Andrew Jackson - West Lafayette IN, US
Gregory Leman - West Lafayette IN, US
Edward Norman - Chester Springs PA, US
Robert Kaufman - St. Louis MO, US

International Classification:

C11D 3/37

US Classification:

510475000

Abstract:

Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohols, reacting olefins and a saturated compounds, reacting reactants having at least two —CFgroups with reactants having cyclic groups. RF compositions such as R-intermediates, R-surfactants, R-monomers, Rmonomer units, R-metal complexes, R-phosphate esters, R-glycols, Rurethanes, and/or R-foam stabilizers. The Rportion can include at least two —CFgroups, at least three —CFgroups, and/or at least two —CFgroups and at least two —CH— groups. Detergents, emulsifiers, paints, adhesives, inks, wetting agents, foamers, and defoamers including the R-surfactant composition are provided. Acrylics, resins, and polymers are provided that include a R-monomer unit Compositions are provided that include a substrate having a R-composition thereover. Aqueous Film Forming Foam (“AFFF”) formulations are provided that can include R-surfactants and/or R-foam stabilizers are provided.