Arnold C Ashcraft

US Patent:

7857891, Dec 28, 2010

Filed:

Mar 11, 2004

Appl. No.:

10/549743

Inventors:

Craig N. Schubert - Lake Jackson TX, US
Arnold C. Ashcraft - Perrineville NJ, US

Assignee:

Dow Global Technologies Inc. - Midland MI

International Classification:

B01D 53/14
C01B 17/00
B01J 8/04

US Classification:

95235, 95181, 95236, 423228, 423229, 4232427, 423210, 422190

Abstract:

Novel solvent composition for selective removal of COS from a gas stream containing same, said composition comprising a) at least one polyalkylene glycol alkyl ether of the formula (I) or 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone or a mixture of N-formylmorpholine and N-acetylmorpholine Wherein Ris an alkyl group having from 1 to 6 carbon atoms; Ris hydrogen or an alkyl group having from 1 to 4 carbon atoms; Alk is an alkylene group, branched or unbranched, having from 2 to 4 carbon atoms, and n is from 1 to 10; and b) at least one alkanolamine compound of the formula (II) or at least one piperazine compound of formula (III) wherein Ris hydrogen, an alkyl group having from 1 to 6 carbon atoms, or the ROH group; Ris a branched or unbranched alkylene group having from 1 to 6 carbon atoms; R, independently in each occurrence, is hydrogen or an hydroxyalkyl group having from 1 to 4 carbon atoms; and Ris hydrogen, an alkyl group having from 1 to 6 carbon atoms or an hydroxyalkyl group having from 1 to 4 carbon atoms. RO—(Alk-O)—R  (I)RNHROR  (II).

US Patent:

8226842, Jul 24, 2012

Filed:

Aug 16, 2010

Appl. No.:

12/856955

Inventors:

Craig N. Schubert - Lake Jackson TX, US
Arnold C. Ashcraft - Perrineville NJ, US

Assignee:

Dow Global Technologies LLC - Midland MI

International Classification:

B01D 53/14
C01B 17/00
B01J 8/04

US Classification:

252 60, 95235, 95236, 423228, 423229

Abstract:

Novel solvent composition for selective removal of COS from a gas stream containing same, said composition comprising.

US Patent:

8231713, Jul 31, 2012

Filed:

Aug 16, 2010

Appl. No.:

12/856928

Inventors:

Craig N. Schubert - Lake Jackson TX, US
Arnold C. Ashcraft - Perrineville NJ, US

Assignee:

Dow Global Technologies LLC - Midland MI

International Classification:

B01D 53/14

US Classification:

95235, 95236, 423228, 423229, 4232427

Abstract:

Novel solvent composition for selective removal of COS from a gas stream containing same, said composition comprising.

US Patent:

8518158, Aug 27, 2013

Filed:

Aug 16, 2010

Appl. No.:

12/856947

Inventors:

Craig N. Schubert - Lake Jackson TX, US
Arnold C. Ashcraft - Perrineville NJ, US

Assignee:

Dow Global Technologies LLC - Midland MI

International Classification:

B01D 47/00
B01F 1/00

US Classification:

95235, 252364, 4232426, 4232427

Abstract:

Novel solvent composition for selective removal of COS from a gas stream containing same, said composition comprising.

US Patent:

43761801, Mar 8, 1983

Filed:

Sep 30, 1981

Appl. No.:

6/307244

Inventors:

Robert J. Turbett - Millington NY
Arnold C. Ashcraft - Hightstown NJ
Herbert E. Petty - Bethel CT

Assignee:

Union Carbide Corporation - Danbury CT

International Classification:

C08K 554
H01B 330

US Classification:

524188

Abstract:

Compositions, devoid of fillers, comprising an ethylene polymer and an N-phenyl substituted amino silane, which can be extruded about electrical conductors to provide insulation thereon which is resistant to the formation of water trees.

US Patent:

43851363, May 24, 1983

Filed:

Aug 27, 1981

Appl. No.:

6/295811

Inventors:

Fred H. Ancker - Warren Township, Union County NJ
Arnold C. Ashcraft - Hightstown NJ
Martin S. Leung - Manhattan Beach CA
Audrey Y. Ku - Bridgeton MO

Assignee:

Union Carbide Corporation - Danbury CT

International Classification:

C08K 322
C08K 326
C08K 334
C08K 904

US Classification:

523215

Abstract:

A reinforced, filled thermoplastic polymer composition, having increased strength and ductility, contains a reinforcement promoter having at least two reactive olefinic double bonds and a positive promoter index, based on the double bond resonance and polarity, and the promoter adsorptivity.

US Patent:

42127564, Jul 15, 1980

Filed:

May 17, 1979

Appl. No.:

6/040060

Inventors:

Arnold C. Ashcraft - Hightstown NJ
Robert J. Turbett - Millington NJ
Timothy R. Burke - Houston TX

Assignee:

Union Carbide Corporation - New York NY

International Classification:

H01B 344

US Classification:

252 632

Abstract:

A dielectric composition devoid of filler and resistant to water treeing comprising ethylene polymer, antioxidant for said polymer, and effective amounts, as a water treeing inhibitor, of at least one organo silane of the following formula: ##STR1## wherein R. sub. 1 is hydrogen or C. sub. 1 to C. sub. 4 alkyl; Y is C. sub. 1 to C. sub. 8 alkylene or C. sub. 6 to C. sub. 18 substituted or unsubstituted arylene; R. sub. 2 is C. sub. 1 to C. sub. 8 alkyl, C. sub. 1 to C. sub. 8 alkoxy, C. sub. 6 to C. sub. 18 substituted or unsubstituted aryl, C. sub. 1 to C. sub. 8 acyloxy, C. sub. 6 to C. sub. 18 substituted or unsubstituted aryloxy; R. sub. 3 and R. sub. 4 are independently selected from C. sub. 1 to C. sub. 8 alkoxy, C. sub. 1 to C. sub. 8 acyloxy or C. sub. 6 to C. sub.

US Patent:

42631580, Apr 21, 1981

Filed:

Sep 18, 1979

Appl. No.:

6/076627

Inventors:

Arnold C. Ashcraft - Hightstown NJ
Robert J. Turbett - Millington NJ

Assignee:

Union Carbide Corporation - New York NY

International Classification:

H01B 330

US Classification:

252573

Abstract:

A dielectric composition comprising ethylene polymer and effective amounts, as a water treeing inhibitor, of at least one organo silane of the following formula: ##STR1## wherein R and R. sub. 1 are independently selected from hydrogen, a hydrocarbyl group or substituted hydrocarbyl groups wherein the substituents are hydroxy, halogen, nitro, C. sub. 1 to C. sub. 8 alkyl, C. sub. 1 to C. sub. 8 alkoxy; or R and R. sub. 1 together with the adjacent carbon atom form a ring of 3 to 7 carbon atoms; R. sub. 2 is C. sub. 1 to C. sub. 8 alkyl, C. sub. 1 to C. sub. 18 alkoxy, C. sub. 6 to C. sub. 18 aryl, C. sub. 1 to C. sub. 8 acyloxy, C. sub. 6 to C. sub. 18 substituted or unsubstituted aryloxy; R. sub. 3 and R. sub. 4 are independently selected from C. sub. 1 to C. sub. 18 alkoxy, C. sub. 6 to C. sub.