Charles B Carter

US Patent:

47897570, Dec 6, 1988

Filed:

Jul 17, 1987

Appl. No.:

7/074751

Inventors:

Charles G. Carter - Columbia MD

Assignee:

W. R. Grace & Co.-Conn. - New York NY

International Classification:

C07C 9900

US Classification:

562445

Abstract:

The amine nitrogen of an amino carboxylic acid is formylated by reacting the amino carboxylic acid with formamide.

US Patent:

51243490, Jun 23, 1992

Filed:

Oct 31, 1990

Appl. No.:

7/606366

Inventors:

Charles G. Carter - Silver Spring MD
Clifford J. Hull - Laurel MD
Narender P. Luthra - Columbia MD
James F. Walter - Ashton MD

Assignee:

W. R. Grace & Co.-Conn. - New York NY

International Classification:

A01N 4316

US Classification:

514453

Abstract:

Storage stable pesticide compositions comprising neem seed extracts which contain azadirachtin as the active pesticidal ingredient wherein the compositions are characterized by their non-degrading solvent systems. In a first embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50% by volume aprotic solvents and less than 15% by volume water. In a second embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50% by volume alcohol and less than 5% by volume water. The pesticide compositions contain surfactant concentrations of at least about 1. 0%, up to 10%.

US Patent:

48061468, Feb 21, 1989

Filed:

Feb 8, 1988

Appl. No.:

7/129127

Inventors:

Charles G. Carter - Silver Spring MD

Assignee:

Stauffer Chemical Company - Westport CT

International Classification:

A01N 3100
A01N 4100
C07C12176
C07C14940
C07C 69757
C07C 49225

US Classification:

71 98

Abstract:

Compounds of the formula ##STR1## wherein R is halogen, C. sub. 1 -C. sub. 4 alkoxy, C. sub. 1 -C. sub. 4 alkyl, C. sub. 1 -C. sub. 4 haloalkyl, cyano, nitro, S(O). sub. n R wherein R is C. sub. 1 -C. sub. 4 alkyl and n is the integer 0, 1 or 2; and R. sup. 2 through R. sup. 8 are hydrogen or certain substituents, their salts, herbicidal compositions containing the compound or salts and the herbicidal use thereof.

US Patent:

52505014, Oct 5, 1993

Filed:

Jan 10, 1992

Appl. No.:

7/819080

Inventors:

John E. D. Barton - Reading, GB
David Cartwright - Reading, GB
John M. Cox - Wokingham, GB
Glynn Mitchell - Iver, GB
Charles G. Carter - Silver Spring MD
David L. Lee - Martinez CA
Francis H. Walker - Mill Valley CA
Frank X. Woolard - Pt. Richmond CA

Assignee:

Imperial Chemical Industries PLC - London
ICI Americas, Inc. - Wilmington DE

International Classification:

A01N 4376
C07D27502

US Classification:

504266

Abstract:

A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X. sup. 1 and X. sup. 2 are independently oxygen or sulphur, R. sup. 1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C. sub. 2 -C. sub. 4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R. sup. b is alkyl or alkoxy; provided that when X, X. sup. 1 and X. sup. 2 are oxygen R. sup. 1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.

US Patent:

52214877, Jun 22, 1993

Filed:

Oct 24, 1991

Appl. No.:

7/782843

Inventors:

Charles G. Carter - Silver Spring MD

Assignee:

W. R. Grace & Co.-Conn. - New York NY

International Classification:

C02F 514

US Classification:

210699

Abstract:

A method is disclosed for inhibiting or preventing the formation of scale on surfaces in contact with an aqueous system comprising adding to the system an amount effective to inhibit scale formation of a sulfonated organophosphonate compound having the formula: ##STR1## wherein n is an integer from 3 to 10 X is OH or NH. sub. 2 ; and water soluble salts thereof.

US Patent:

50984640, Mar 24, 1992

Filed:

Oct 9, 1990

Appl. No.:

7/595710

Inventors:

John E. D. Barton - Reading, GB
David Cartwright - Reading, GB
John M. Cox - Wokingham, GB
Glynn Mitchell - Inver, GB
Charles G. Carter - Silver Spring MD
Davie L. Lee - Martinez CA
Francis H. Walker - Mill Valley CA
Frank X. Woolard - Pt. Richmond CA

Assignee:

Imperial Chemical Industries PLC - London
ICI Americas, Inc. - Wilmington DE

International Classification:

C07D23112
C07D40502
A01N 4308
A01N 4318

US Classification:

71 92

Abstract:

A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X. sup. 1 and X. sup. 2 are independently oxygen or sulphur, R. sup. 1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C. sub. 2 -C. sub. 4 alkylene group which is optionally interposed by an oxygen atom, a group >S(O). sub. p a group ##STR2## or an optionally mono-substituted nitrogen atom, wherein p is O, 1 or 2, s is 0. sub. 1 or 1 and R. sup. b is alkyl or alkoxy; provided that when X, X. sup. 1 and X. sup. 2 are oxygen, R. sup. 1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.

US Patent:

52155854, Jun 1, 1993

Filed:

Oct 25, 1991

Appl. No.:

7/782356

Inventors:

Narender P. Luthra - Columbia MD
Charles G. Carter - Silver Spring MD
Paul C. Scheiner - Maynard MA

Assignee:

W. R. Grace & Co.-Conn. - New York NY

International Classification:

C04B 736

US Classification:

106806

Abstract:

A method of reclaiming unset cement compositions by mixing a polymethoxy polyphosphonate to the unset composition to cause long-term retardation of cement hydration and subsequently treating the composition with a set accelerator to reinitiate hydration.

US Patent:

52982211, Mar 29, 1994

Filed:

Mar 17, 1993

Appl. No.:

8/032457

Inventors:

Charles Garvie Carter - Silver Spring MD

Assignee:

W. R. Grace & Co. - Conn. - New York NY

International Classification:

C23F 11167

US Classification:

422 15

Abstract:

A method is disclosed for inhibiting or preventing the formation of scale and corrosion on surfaces in contact with an aqueous system comprising adding to the system an amount effective to inhibit scale formation of a sulfonated organophosphonate compound having the formula: ##STR1## wherein n is an integer from 3 to 10, X is OH or NH. sub. 2 ; and water soluble salts thereof.