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US2805996A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the production of oil soluble amine complexes and compositions containing such complexes

Assignee: Pennwalt Corp
•
Filing: 1954-09-20
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Granted: 1957-09-10
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Expires: 1974-09-20
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas E Deger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 07:42
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/18; C10M2207/00; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 152 words
A PROCESS FOR THE PRODUCTION OF OIL-SOLUBLE AMINE COMPLEXES OF METAL SALTS OF SUBSTITUTED DITHIOCARBAMIC ACIDS HAVING AT LEAST TWENTY CARBON ATOMS IN THE COMPLEX MOLECULE WHICH COMPRISES ADDING TO A LIQUID OLEAGINOUS REACTION MEDIUM WHICH IS SUBSTANTIALLY INERT UNDER THE CONDITIONS OF THE REACTION A SECONDARY AMINE, CARBON DISULFIDE, AND ONE OF THE GROUP CONSISTING OF METAL OXIDES AND HYDROXIDES, SAID SECONDARY AMINE BEING ADDED IN QUANTITY SUFFICIENT TO REACT NOT ONLY WITH THE CARBON DISULFIDE AND THE INORGANIC BASE IN THE FORMATION OF THE METAL SALT OF THE CORRESPONDING SUBSTITUTED DITHIOCARBAMIC ACID BUT ALSO WITH THE METAL SALT TO FORM THE CORRESPONDING AMINE COMPLEX OF SAID SALT, SAID OXIDES AND HYDROXIDES BEING FROM THE GROUP CONSISTING OF THE OXIDES AND HYDROXIDES OF COPPER, SILVER, CALCIUM, STRONTIUM, BARIUM, ZINC, CADMIUM, MERCURY, LEAD, HEXAVALENT CHROMIUM, HEXAVALENT MOLYBDENUM, IRON, COBALT, NICKEL, TETRAVALENT SELENIUM AND TETRAVALENT TELLURIUM, AND SAID SECONDARY AMINE HAVING THE FORMULA.
Claim 2
Dependent Claim 152 words
A PROCESS FOR THE PRODUCTION OF OIL-SOLUBLE AMINE COMPLEXES OF METAL SALTS OF SUBSTITUTED DITHIOCARBAMIC ACIDS HAVING AT LEAST TWENTY CARBON ATOMS IN THE COMPLEX MOLECULE WHICH COMPRISES ADDING TO A LIQUID OLEAGINOUS REACTION MEDIUM WHICH IS SUBSTANTIALLY INERT UNDER THE CONDITIONS OF THE REACTION A SECONDARY AMINE, CARBON DISULFIDE, AND ONE OF THE GROUP CONSISTING OF METAL OXIDES AND HYDROXIDES, SAID SECONDARY AMINE BEING ADDED IN QUANTITY SUFFICIENT TO REACT NOT ONLY WITH THE CARBON DISULFIDE AND THE INORGANIC BASE IN THE FORMATION OF THE METAL SALT OF THE CORRESPONDING SUBSTITUTED DITHIOCARBAMIC ACID BUT ALSO WITH THE METAL SALT TO FORM THE CORRESPONDING AMINE COMPLEX OF SAID SALT, SAID OXIDES AND HYDROXIDES BEING FROM THE GROUP CONSISTING OF THE OXIDES AND HYDROXIDES OF COPPER, SILVER, CALCIUM, STRONTIUM, BARIUM, ZINC, CADMIUM, MERCURY, LEAD, HEXAVALENT CHROMIUM, HEXAVALENT MOLYBDENUM, IRON, COBALT, NICKEL, TETRAVALENT SELENIUM AND TETRAVALENT TELLURIUM, AND SAID SECONDARY AMINE HAVING THE FORMULA.

References Cited (Backward Citations)

US2208327A Cited
US2588428A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-09-09 1961-03-11 1961-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-09-09 1965-03-11 1965-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-09-09 1969-03-11 1969-09-10 $7700.00 Window Closed / Lapsed

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