US3297795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of monoolefin polymers with carbodiimides
Assignee: Bayer AG
•
Filing: 1963-07-23
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Granted: 1967-01-10
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Peter Julius
- 👤 Cologne Bezirk
- 👤 Neumann Wolfram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:08
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C08; C08K; C08K5/00; C08K5/16; C08K5/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A STABILIZED MONOOLEFIN POLYMER COMPOSITION CONTAINING AS STABILIZER A MEMBER SELECTED FROM THE GROUP CONSISTING OF N,N''-DISUBSTITUTED CARBODIIMIDE, EACH OF SAID SUBSTITUENTS BEING SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROCARBON, AROMATIC HYDROCARBON, CHLOROPHENYL, BROMOPHENYL AND ALKOXYPHENYL AND POLYCARBODIIMIDES OF AROMATIC HYDROCARBON DIISOCYANATES.
Claim 2
Dependent Claim
43 words
A STABILIZED MONOOLEFIN POLYMER COMPOSITION CONTAINING AS STABILIZER A MEMBER SELECTED FROM THE GROUP CONSISTING OF N,N''-DISUBSTITUTED CARBODIIMIDE, EACH OF SAID SUBSTITUENTS BEING SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROCARBON, AROMATIC HYDROCARBON, CHLOROPHENYL, BROMOPHENYL AND ALKOXYPHENYL AND POLYCARBODIIMIDES OF AROMATIC HYDROCARBON DIISOCYANATES.
References Cited (Backward Citations)
US3193523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |