Steven D Gagnon

US Patent:

8512447, Aug 20, 2013

Filed:

Nov 12, 2010

Appl. No.:

12/945031

Inventors:

Robert A. Doerr - Baton Rouge LA, US
Steven D. Gagnon - Prairieville LA, US
Kenneth K. Bordelon - Geismar LA, US
Johannes D. Jacobs - Ossendrecht, NL
Thomas A. Grzanka - Baton Rouge LA, US

Assignee:

BASF SE - Ludwigshafen

International Classification:

B01D 53/02
C01B 21/00

US Classification:

95182, 423235, 423240 R

Abstract:

This invention provides a method for purifying a chlorine supply that includes a chlorine component, a bromine component, and nitrogen trichloride. The method includes the steps of introducing the chlorine supply into a vaporizer, heating the chlorine supply in the vaporizer to form a vapor, and introducing the vapor into a distillation system to provide purified chlorine gas, a distillate that includes liquid chlorine and the bromine component, and a bottoms component including the nitrogen trichloride. The method also includes the steps of condensing the vapor in a reflux condenser, heating the condensate in a reboiler, removing the purified chlorine gas from the distillation system, and removing the distillate from the distillation system.

US Patent:

20130303803, Nov 14, 2013

Filed:

Jul 11, 2013

Appl. No.:

13/939733

Inventors:

- Ludwigshafen, DE
Steven D. Gagnon - Prairieville LA, US
Kenneth K. Bordelon - Geismar LA, US
Johannes D. Jacobs - Ossendrecht, NL
Thomas A. Grzanka - Baton Rouge LA, US

International Classification:

C01B 7/07
C01B 31/28

US Classification:

562847, 202179, 203 27, 203 6

Abstract:

This invention provides a method for purifying a chlorine supply that includes a chlorine component, a bromine component, and nitrogen trichloride. The method includes the steps of introducing the chlorine supply into a vaporizer, heating the chlorine supply in the vaporizer to form a vapor, and introducing the vapor into a distillation system to provide purified chlorine gas, a distillate that includes liquid chlorine and the bromine component, and a bottoms component including the nitrogen trichloride. The method also includes the steps of condensing the vapor in a reflux condenser, heating the condensate in a reboiler, removing the purified chlorine gas from the distillation system, and removing the distillate from the distillation system.

US Patent:

57701067, Jun 23, 1998

Filed:

Aug 18, 1992

Appl. No.:

7/931628

Inventors:

Pauls Davis - Gibraltar MI
Steven D. Gagnon - Detroit MI
Eric Lind - Canton MI

Assignee:

BASF Corporation - Mt. Olive NJ

International Classification:

C09K 300

US Classification:

25218227

Abstract:

A copolymer based on vinyl acetate and polyalkylene oxide(s) containing an allyl glycidyl ether reactive double bond.

US Patent:

50701401, Dec 3, 1991

Filed:

Dec 22, 1989

Appl. No.:

7/455716

Inventors:

Eric Lind - Canton MI
Pauls Davis - Gibraltar MI
Steven D. Gagnon - Detroit MI

Assignee:

BASF Corporation - Wyandotte MI

International Classification:

C08F 1606
C08F21802

US Classification:

525 60

Abstract:

A copolymer based on vinyl acetate and an allyl glycidyl ether capped C. sub. 12 -C. sub. 30 aliphatic alcohol and their saponified products.

US Patent:

RE363588, Oct 26, 1999

Filed:

Jul 16, 1996

Appl. No.:

8/680976

Inventors:

Egil Grinbergs - Farmington Hills MI
William W. Levis - Ocala FL
Steven D. Gagnon - Detroit MI

Assignee:

BASF Corporation - Mt. Olive NJ

International Classification:

C08J 904
C08L 7508
C08K 53492
C08G 1848

US Classification:

521128

Abstract:

The invention pertains to flame retardant polyurethane foams prepared by the reaction of a polyoxyalkylene polyether polyol with an organic polyisocyanate and a blowing agent wherein melamine is incorporated as the sole flame retardant compound. The amount of melamine may range from about 10 weight percent to about 55 weight percent of the total composition.

US Patent:

49488457, Aug 14, 1990

Filed:

Apr 17, 1989

Appl. No.:

7/340812

Inventors:

Steven D. Gagnon - Detroit MI
Edward M. Dexheimer - Grosse Ile MI

Assignee:

BASF Corporation - Parsippany NJ

International Classification:

C08L 7102

US Classification:

525409

Abstract:

A polyether polycarbonate block copolymer nonionic surface-active agent and method for making the same. The polyether polycarbonate surface active agent is comprised of a hydrophilic portion comprised of a polymer selected from the group consisting of a polyoxyalkylene polyether, a saccharide, a saccharide polyoxyalkylenate, a polycarbonate having a carbon dioxide content of from about 1 to 15 molar percent and mixtures thereof and a hydrophobic portion comprising alkylene and carbonate units arranged in alternating or random order to form a poly(alkylene carbonate) having a total carbon dioxide content of from about 25 to 50 molar percent and a total molecular weight of from about 300 to 10,000. The hydrophobic portion is bonded to the hydrophilic portion at each side of a reactive hydrogen. The surface active agent is prepared by polymerizing the hydrophilic portion with the hydrophobic portion in a weight ratio of about 10:90 to 90:10.

US Patent:

51984733, Mar 30, 1993

Filed:

Dec 9, 1991

Appl. No.:

7/803934

Inventors:

James A. Gallagher - Grosse Ile MI
Duane A. Heyman - Monroe MI
Steven D. Gagnon - Detroit MI

Assignee:

BASF Corporation

International Classification:

C08J 900

US Classification:

521 99

Abstract:

The flame retardancy of flexible polyurethane foams is increased by incorporation into the foam forming reactants of a low molecular weight, high primary hydroxyl trifunctional polyether polyol having a hydroxyl number between 300 and 500 and a primary hydroxyl content greater than 50 percent.

US Patent:

48494593, Jul 18, 1989

Filed:

Apr 14, 1988

Appl. No.:

7/181584

Inventors:

Oscar M. Grace - Madison Heights MI
William W. Levis - Wyandotte MI
Steven D. Gagnon - Detroit MI

Assignee:

BASF Corporation - Parsippany NJ

International Classification:

C08G 1814

US Classification:

521110

Abstract:

The invention pertains to flame retardant flexible polyurethane foams prepared by reacting a polyether polyol, or organic isocyanate, and a blowing agent incorporating (a) melamine in an amount ranging from about 30 weight percent to about 55 weight percent and an effective amount of (b) another flame retardant.