US3316207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized copolymers of trioxane
Assignee: Hoechst AG
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Filing: 1963-04-26
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Granted: 1967-04-25
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Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
- 👤 Hermann Hans Dieter
- 👤 Fischer Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:51
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/005
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
38 words
A STABILIZED COPOLYMER OF TRIOXANE WITH ETHYLENE OXIDE, ETHYLENE GLYCOL, 1,3-BUTANE DIOL, 1,4-BUTANE DIOL, DIETHYLENE GLYCOL OR 1,4-BUTENE DIOL-2 CONTAINING WITHIN THE RANGE OF 0.01 TO 10% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
38 words
A STABILIZED COPOLYMER OF TRIOXANE WITH ETHYLENE OXIDE, ETHYLENE GLYCOL, 1,3-BUTANE DIOL, 1,4-BUTANE DIOL, DIETHYLENE GLYCOL OR 1,4-BUTENE DIOL-2 CONTAINING WITHIN THE RANGE OF 0.01 TO 10% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF
Claim 3
Dependent Claim
20 words
A COMPOSITION AS DEFINED IN CLAIM 1 CONTAINING, IN ADDITION, 0.01 TO 10% BY WEIGHT DIOCTYL DIPHENYLAMINE OR 2,2''-METHYLENE-BIS-(4-METHYL-6-TERT, BUTYLPHENOL).
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |