Ernest B Spitzner

US Patent:

42516641, Feb 17, 1981

Filed:

May 24, 1978

Appl. No.:

5/909154

Inventors:

Ernest B. Spitzner - Minneapolis MN

Assignee:

Henkel Corporation - Minneapolis MN

International Classification:

C07D28512
C22B 1512
C22B 1920
C22B 2300

US Classification:

548138

Abstract:

Certain sulfonamidothiadiazoles, metal complexes thereof and solutions of said compounds in essentially water-immiscible, liquid hydrocarbon solvents are disclosed. The sulfonamidothiadiazoles have the general structural formula: ##STR1## wherein R and A are as defined in the specification and claims hereof. Particular metal values are recovered from their aqueous solutions by using sulfonamidothiadiazoles dissolved in essentially water-immiscible, liquid hydrocarbon solvents. The extraction process involves contacting the metal value containing aqueous solution with the solution of the sulfonamidothiadiazole in essentially water-immiscible, liquid hydrocarbon solvent and stripping the metal from the loaded organic phase.

US Patent:

42529590, Feb 24, 1981

Filed:

Jun 28, 1979

Appl. No.:

6/053116

Inventors:

Ernest Spitzner - Minneapolis MN

Assignee:

Henkel Corporation - Minneapolis MN

International Classification:

C07D21377

US Classification:

546306

Abstract:

Certain sulfonylhydrazines, metal complexes thereof and solutions of said compounds in essentially water-immiscible, liquid hydrocarbon solvents are disclosed. The sulfonylhydrazines have the general structural formula: R--SO. sub. 2 NHNH--R. sub. 1 wherein R and R. sub. 1 are as defined in the specification and claims hereof. Particular metal values are recovered from their aqueous solutions by using sulfonylhydrazines dissolved in essentially water-immiscible, liquid hydrocarbon solvents. The extraction process involves contacting the metal value containing aqueous solution with the solution of the sulfonylhydrazines in essentially water-immiscible, liquid hydrocarbon solvent and stripping the metal from the loaded organic phase.

US Patent:

42527325, Feb 24, 1981

Filed:

Feb 19, 1980

Appl. No.:

6/122396

Inventors:

Leroy O. Krbechek - Minneapolis MN
Ernest B. Spitzner - Minneapolis MN
James P. Clark - Forest Lake MN

Assignee:

Henkel Corporation - Minneapolis MN

International Classification:

C07J 900

US Classification:

2603973

Abstract:

The present invention describes the conversion of steroids having a 20-amino functionality to progesterone and other useful steroids.

US Patent:

42370620, Dec 2, 1980

Filed:

May 21, 1979

Appl. No.:

6/040624

Inventors:

Ernest B. Spitzner - Minneapolis MN

Assignee:

Henkel Corporation - Minneapolis MN

International Classification:

C07F 306
C07F 108
C07F 1504
C07C15900

US Classification:

2604381

Abstract:

Certain sulfonylthiosemicarbazides, metal complexes thereof and solutions of said compounds in essentially water-immiscible, liquid hydrocarbon solvents are disclosed. The sulfonylthiosemicarbazides have the general structural formula: ##STR1## wherein R and R. sup. 1 are as defined in the specification and claims hereof. Particular metal values are recovered from their aqueous solutions by using sulfonylthiosemicarbazides dissolved in essentially water-immiscible, liquid hydrocarbon solvents. The extraction process involves contacting the metal value containing aqueous solution with the solution of the sulfonylthiosemicarbazide in essentially water-immiscible, liquid hydrocarbon solvent and stripping the metal from the loaded organic phase.

US Patent:

42949610, Oct 13, 1981

Filed:

Apr 7, 1980

Appl. No.:

6/137869

Inventors:

Ernest Spitzner - Minneapolis MN

Assignee:

Henkel Corporation - Minneapolis MN

International Classification:

C07D27902

US Classification:

544 49

Abstract:

Certain benzothiazine compounds, metal complexes thereof and solutions of said compounds in essentially water-immiscible, liquid hydrocarbon solvents are disclosed. These compounds have in their 4-keto form, the structure: ##STR1## the corresponding enol of which has the structure: ##STR2## wherein x, n, R. sup. 1, R. sup. 2 and R. sup. 3 are as defined in the specification and claims hereof. Particular metal values are recovered from their aqueous solutions by using the benzothiazine compounds dissolved in essentially water-immiscible, liquid hydrocarbon solvents. The extraction process involves contacting the metal value containing aqueous solution with the solution of the benzothiazine in essentially water-immiscible, liquid hydrocarbon solvent and stripping the metal from the loaded organic phase.