Paul A Filler

US Patent:

8136669, Mar 20, 2012

Filed:

Feb 8, 2006

Appl. No.:

11/658783

Inventors:

Paul A. Filler - Sulphur LA, US
Duane J. Lewis - Lake Charles LA, US

International Classification:

B03D 1/006
B03D 1/008
B03D 1/02

US Classification:

209166

Abstract:

A method for conducting froth flotation using a collector which is primarily hydrocarbon in nature or is a mixture of hydrocarbons with certain oxygenates, the collectors being substantially free of polynuclear aromatics, sulfur and nitrogen.

US Patent:

8257608, Sep 4, 2012

Filed:

Feb 3, 2012

Appl. No.:

13/365751

Inventors:

Paul A. Filler - Sulphur LA, US
Duane J. Lewis - Lake Charles LA, US

International Classification:

B03D 1/006
B03D 1/008
B01D 1/02

US Classification:

252 61, 209166

Abstract:

A method for conducting froth flotation using a collector which is primarily hydrocarbon in nature or is a mixture of hydrocarbons with certain oxygenates, the collectors being substantially free of polynuclear aromatics, sulfur and nitrogen.

US Patent:

20120132571, May 31, 2012

Filed:

Feb 3, 2012

Appl. No.:

13/365721

Inventors:

Paul A. Filler - Sulphur LA, US
Duane J. Lewis - Lake Charles LA, US

International Classification:

B03D 1/02
B03D 1/006
B03D 1/001

US Classification:

209166

Abstract:

A method for conducting froth flotation using a collector which is primarily hydrocarbon in nature or is a mixture of hydrocarbons with certain oxygenates, the collectors being substantially free of polynuclear aromatics, sulfur and nitrogen.

US Patent:

57314616, Mar 24, 1998

Filed:

Jan 3, 1996

Appl. No.:

8/582467

Inventors:

John Lin - Cedar Park TX
Upali Weerasooriya - Austin TX
Paul A. Filler - Leander TX

Assignee:

Condea Vista Company - Houston TX

International Classification:

C07C30702
C07C31116

US Classification:

564 93

Abstract:

Disclosed are surfactant compositions comprising a compound of formula I ##STR1## wherein R is an alkyl group having 6 to 20 carbon atoms, R. sub. 1 is a short chain alkyl group and Ar is an aryl group having 6 carbon atoms.

US Patent:

58472100, Dec 8, 1998

Filed:

Sep 19, 1997

Appl. No.:

8/934118

Inventors:

John Lin - Cedar Park TX
Upali Weerasooriya - Austin TX
Paul A. Filler - Leander TX

Assignee:

Condea Vista Company - Houston TX

International Classification:

C07C30702
C07C31116

US Classification:

564 93

Abstract:

Disclosed are processes for the production of compounds of formula I ##STR1## comprising reacting the alkylarylsulfonyl chloride with an N-alkylglucamine. The compounds are useful surfactants.

US Patent:

60205091, Feb 1, 2000

Filed:

Dec 22, 1998

Appl. No.:

9/218825

Inventors:

Upali Weerasooriya - Austin TX
Paul A. Filler - Leander TX
Janet L. Watson - Leander TX

Assignee:

Condea Vista Company - Houston TX

International Classification:

C07C 5100

US Classification:

554156

Abstract:

A process for producing a surfactant composition by partially saponifying an alkoxylated triglyceride having the formula: ##STR1## with an alkali metal hydroxide such as sodium hydroxide and recovering a surfactant composition comprising soap and moisturizing agents comprised of alkoxylated monoglycerides and unreacted alkoxylated triglycerides.

US Patent:

62685171, Jul 31, 2001

Filed:

May 9, 2000

Appl. No.:

9/567670

Inventors:

Paul A. Filler - Leander TX
Elida G. Partain - Cedar Park TX
Upali Weerasooriya - Austin TX

Assignee:

Condea Vista Company - Houston TX

International Classification:

C07C 5100

US Classification:

554156

Abstract:

A process for producing a surfactant composition by partially saponifying an alkoxylated triglyceride having the formula: ##STR1## with an alkali metal hydroxide such as sodium hydroxide and in the presence of from 5 to 10% free water, removing water by heating and recovering a surfactant composition comprising soap and moisturizing agents comprised of alkoxylated monoglycerides and unreacted alkoxylated triglycerides.

US Patent:

61472468, Nov 14, 2000

Filed:

Dec 23, 1999

Appl. No.:

9/471967

Inventors:

Upali Weerasooriya - Austin TX
K. Lee Matheson - Austin TX
Dewey L. Smith - Austin TX
Paul A. Filler - Leander TX
Elida G. Partain - Cedar Park TX
Kelly D. Knouse - Round Rock TX
Janet L. Watson - Leander TX

Assignee:

Condea Vista Company - Houston TX

International Classification:

C07C 6806

US Classification:

558276

Abstract:

A process for alkoxylating an organic carbonate wherein an alkylene oxide is reacted with an organic carbonate such as a dialkyl carbonate in the presence of a catalytically effective amount of a calcium-containing catalyst to produce alkoxylated carbonates.