Patent US3317508A successfully refreshed from Google Patents.
US3317508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making alkylene oxidepolyol adducts
Assignee: Union Carbide Corp
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Filing: 1964-11-09
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Granted: 1967-05-02
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert D Winquist
- 👤 Jr Louis F Theiling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
C; C08; C08B; C08B11/00; C08B11/02; C08B11/04; C08B11/08; C08B31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE PROCESS OF FORMING AN ALKYLENE OXIDE ADDUCT OF A POLYHYDROXYLATED ORGANIC COMPOUND WHICH COMPRISES INTERMIXING SAID ALKYLENE OXIDE WITH SAID POLYHDROXYLATED ORGANIC COMPOUND IN THE PRESENCE OF A DITERTIARY DIAMINE CATALYST.
Claim 2
Dependent Claim
32 words
THE PROCESS OF FORMING AN ALKYLENE OXIDE ADDUCT OF A POLYHYDROXYLATED ORGANIC COMPOUND WHICH COMPRISES INTERMIXING SAID ALKYLENE OXIDE WITH SAID POLYHDROXYLATED ORGANIC COMPOUND IN THE PRESENCE OF A DITERTIARY DIAMINE CATALYST.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |