US3386982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxylated polyvinyl alcohol and alkoxylated amine compositions
Assignee: Hexion Inc
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Filing: 1965-09-23
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Granted: 1968-06-04
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Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Philip L Gordon
- 👤 James L Diedrich
- 👤 Donald E Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:57
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0039; C08; C08F; C08F8/00; C08F8/30; C08F8/32; C08K; C08K5/00; C08K5/16; C08K5/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PLASTIC CHARACTERIZED BY WATER SOLUBILITY, RELEASE FROM RIGID NON-POROUS SURFACES AGAINST WHICH THE PLASTIC IS SHAPED, AND RESISTANCE TO CRACKING AT TEMPERATURES AS LOW AS -20*F., THE PLASTIC BEING A BLEND OF ALKOXYLATED POLYVINYL ALCOHOL WITH AN ALKOXYLATED AMINE, THE ALKYLENE OXIDE REPRESENTED IN THE ALKOXYLATED MATERIALS BEING A C2-C4 ALKYLENE OXIDE HAVING AN OXIRANE RING AND THE PROPORTION OF THE ALKOXYLATED AMINE BEING ABOUT 2-20 PARTS BY WEIGHT FOR 100 PARTS OF THE POLYVINYL ALCOHOL REPRESENTED IN THE ALKOXYLATED POLYVINYL ALCOHOL.
Claim 2
Dependent Claim
83 words
A PLASTIC CHARACTERIZED BY WATER SOLUBILITY, RELEASE FROM RIGID NON-POROUS SURFACES AGAINST WHICH THE PLASTIC IS SHAPED, AND RESISTANCE TO CRACKING AT TEMPERATURES AS LOW AS -20*F., THE PLASTIC BEING A BLEND OF ALKOXYLATED POLYVINYL ALCOHOL WITH AN ALKOXYLATED AMINE, THE ALKYLENE OXIDE REPRESENTED IN THE ALKOXYLATED MATERIALS BEING A C2-C4 ALKYLENE OXIDE HAVING AN OXIRANE RING AND THE PROPORTION OF THE ALKOXYLATED AMINE BEING ABOUT 2-20 PARTS BY WEIGHT FOR 100 PARTS OF THE POLYVINYL ALCOHOL REPRESENTED IN THE ALKOXYLATED POLYVINYL ALCOHOL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |