US3126313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certificate of correction
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
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
US2458764A
Cited
US2543061A
Cited
US2775559A
Cited
US2655478A
Cited
US2762697A
Cited
US2718501A
Cited
US2736658A
Cited
US2694669A
Cited
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 |