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US3126313A Expired / Lapsed US ⏱️ 0.0 years remaining

Certificate of correction

Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 00:56
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/23; A61K8/30; A61K8/40; A61K8/41; C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/043; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/08; C10N2050/10; Y; Y10; Y10S; Y10S424/00; Y10S424/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 195 words
IN A METHOD OF DEPOSITING FINELY-DIVIDED SULFUR UPON A SOLID SURFACE WHEREIN SAID SOLID SURFACE IS TREATED WITH A POLYAMINE-SULFUR COMPLEX AND AN AMOUNT OF WATER AT LEAST SUFFICIENT TO RELEASE FINELY-DIVIDED SULFUR FROM SAID COMPLEX, THE IMPROVEMENT WHICH COMPRISES STABILIZING SAID POLYAMINE-SULFUR COMPLEX PRIOR TO APPLICATION THEREOF TO SAID SURFACE TO PROVIDE A DELAYED RELEASE OF SAID SULFUR UPON CONTACT OF SAID COMPLEX WITH SAID AMOUNT OF WATER BY HEATING A MIXTURE OF SULFUR AND A POLYAMINE SELECTED FROM THE GROUP CONSISTING OF ALKYLENE DIAMINES, POLYALKYLENE POLYAMINES, HYDROXYALKYL ALKYLENE DIAMINES AND HYDROXYALKYL POLYALKYLENEPOLYAMINES AT A TEMPERATURE IN THE RANGE OF ABOUT 83*C. UP TO THE BOILING POINT OF SAID POLYAMINE FOR A PERIOD OF TIME RANGING FROM ABOUT 15 MINUTES UP TO ABOUT 8 HOURS AND SUFFICIENT TO FORM A POLYAMINE-SULFUR COMPLEX WHICH IS STABLE ENOUGH SO THAT IT WILL RELEASE FINELY DIVIDED SULFUR SLOWLY UPON CONTACT OF SAID COMPLEX WITH WATER, SAID COMPLEX BEING RENDERED MORE STABLE AGAINST SAID RELEASE OF SULFUR WITH INCREASING TEMPERATURES AND TIMES OF SAID HEATING OF SAID SULFUR AND SAID POLYAMINE, SAID SULFUR IN SAID COMPLEX CONSTITUTING 1-50% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID COMPLEX.
Claim 2
Dependent Claim 195 words
IN A METHOD OF DEPOSITING FINELY-DIVIDED SULFUR UPON A SOLID SURFACE WHEREIN SAID SOLID SURFACE IS TREATED WITH A POLYAMINE-SULFUR COMPLEX AND AN AMOUNT OF WATER AT LEAST SUFFICIENT TO RELEASE FINELY-DIVIDED SULFUR FROM SAID COMPLEX, THE IMPROVEMENT WHICH COMPRISES STABILIZING SAID POLYAMINE-SULFUR COMPLEX PRIOR TO APPLICATION THEREOF TO SAID SURFACE TO PROVIDE A DELAYED RELEASE OF SAID SULFUR UPON CONTACT OF SAID COMPLEX WITH SAID AMOUNT OF WATER BY HEATING A MIXTURE OF SULFUR AND A POLYAMINE SELECTED FROM THE GROUP CONSISTING OF ALKYLENE DIAMINES, POLYALKYLENE POLYAMINES, HYDROXYALKYL ALKYLENE DIAMINES AND HYDROXYALKYL POLYALKYLENEPOLYAMINES AT A TEMPERATURE IN THE RANGE OF ABOUT 83*C. UP TO THE BOILING POINT OF SAID POLYAMINE FOR A PERIOD OF TIME RANGING FROM ABOUT 15 MINUTES UP TO ABOUT 8 HOURS AND SUFFICIENT TO FORM A POLYAMINE-SULFUR COMPLEX WHICH IS STABLE ENOUGH SO THAT IT WILL RELEASE FINELY DIVIDED SULFUR SLOWLY UPON CONTACT OF SAID COMPLEX WITH WATER, SAID COMPLEX BEING RENDERED MORE STABLE AGAINST SAID RELEASE OF SULFUR WITH INCREASING TEMPERATURES AND TIMES OF SAID HEATING OF SAID SULFUR AND SAID POLYAMINE, SAID SULFUR IN SAID COMPLEX CONSTITUTING 1-50% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID COMPLEX.

References Cited (Backward Citations)

US2006756A Cited
US1913299A Cited
US2136017A Cited
US2333061A Cited
US2306971A Cited
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US2775559A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-24 1967-09-23 1968-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-24 1971-09-23 1972-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-24 1975-09-23 1976-03-24 $7700.00 Window Closed / Lapsed

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