US3338810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultraviolet light reaction between an alkyl polythiol and a liquid diene polymer
Assignee: Phillips Petroleum Co
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Filing: 1964-10-05
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Granted: 1967-08-29
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Paul F Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:01
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
85 words
A METHOD FOR MAKING A CLEAR, SOLID POLYMER COMPRISING REACTING AN ALKYL POLYTHIOL HAVING THE FORMULA Y(SH)N WHERE Y IS AN ALKYL RADICAL HAVING FROM 2 TO 6 CARBON ATOMS PER MOLECULE AND N IS 2 OR 3 AND A LIQUID POLYMER FORMED FROM A HYDROCARBON DIENE HAVING FROM 4 TO 6 CARBON ATOMS PER MOLECULE AT FROM ABOUT 60 TO ABOUT 90*F., IN THE PRESENCE OF ULTRAVIOLET LIGHT AND WITH A MOL RATIO OF POLYTHIOL TO POLYMER OF FROM ABOUT 1 TO ABOUT 18.
Claim 2
Independent Claim
85 words
A METHOD FOR MAKING A CLEAR, SOLID POLYMER COMPRISING REACTING AN ALKYL POLYTHIOL HAVING THE FORMULA Y(SH)N WHERE Y IS AN ALKYL RADICAL HAVING FROM 2 TO 6 CARBON ATOMS PER MOLECULE AND N IS 2 OR 3 AND A LIQUID POLYMER FORMED FROM A HYDROCARBON DIENE HAVING FROM 4 TO 6 CARBON ATOMS PER MOLECULE AT FROM ABOUT 60 TO ABOUT 90*F., IN THE PRESENCE OF ULTRAVIOLET LIGHT AND WITH A MOL RATIO OF POLYTHIOL TO POLYMER OF FROM ABOUT 1 TO ABOUT 18.
Claim 3
Dependent Claim
5 words
THE PRODUCT OF CLAIM 1.
References Cited (Backward Citations)
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Cited
US3030344A
Cited
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Cited
US3223738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |