US3200090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of oxymethylene polymers with proteins
Assignee: Celanese Corp
•
Filing: 1959-09-09
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Granted: 1965-08-10
•
Expires: 1979-09-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Dolce
- 👤 Donald E Hudgin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:44
CPC Classifications
C; C08; C08L; C08L59/00; C08L59/02; C08L89/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
48 words
A POLYMER COMPOSITION COMPRISING AN ADMIXTURE OF A NORMALLY SOLID, WATER-INSOLUBLE, MOLDABLE OXYMETHYLENE POLYMER AND A STABILIZING AMOUNT OF UP TO 10% OF A PROTEIN, SAID OXYMETHYLENE POLYMER CONTAINING OXYALKYLENE GROUPS HAVING MORE THAN ONE CARBON ATOM AND CONTAINING FROM 60 TO 99.6 MOL PERCENT OF OXYMETHYLENE GROUPS.
Claim 2
Dependent Claim
48 words
A POLYMER COMPOSITION COMPRISING AN ADMIXTURE OF A NORMALLY SOLID, WATER-INSOLUBLE, MOLDABLE OXYMETHYLENE POLYMER AND A STABILIZING AMOUNT OF UP TO 10% OF A PROTEIN, SAID OXYMETHYLENE POLYMER CONTAINING OXYALKYLENE GROUPS HAVING MORE THAN ONE CARBON ATOM AND CONTAINING FROM 60 TO 99.6 MOL PERCENT OF OXYMETHYLENE GROUPS.
Claim 3
Independent Claim
47 words
THE METHOD OF STABILIZING A NORMALLY SOLID, WATERINSOLUBLE, MOLDABLE OXYMETHYLENE POLYMER CONTAINING OXYMETHYLENE GROUPS AND OXYALKYLENE GROUPS CONTAINING MORE THAN ONE CARBON ATOM AND CONTAINING FROM 60 TO 99.6 MOL PERCENT OF OXYMETHYLENE GROUPS WHICH COMPRISES INITIMATELY ADMIXING THEREWITH UP TO 10% BY WEIGHT OF A PROTEIN.
Claim 4
Independent Claim
47 words
THE METHOD OF STABILIZING A NORMALLY SOLID, WATERINSOLUBLE, MOLDABLE OXYMETHYLENE POLYMER CONTAINING OXYMETHYLENE GROUPS AND OXYALKYLENE GROUPS CONTAINING MORE THAN ONE CARBON ATOM AND CONTAINING FROM 60 TO 99.6 MOL PERCENT OF OXYMETHYLENE GROUPS WHICH COMPRISES INITIMATELY ADMIXING THEREWITH UP TO 10% BY WEIGHT OF A PROTEIN.
References Cited (Backward Citations)
US2296249A
Cited
US2457224A
Cited
US2475610A
Cited
US2625569A
Cited
US2871220A
Cited
US2989509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |