US2830978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of cross-linked plastics
Assignee: Bayer AG
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Filing: 1955-06-14
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Granted: 1958-04-15
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Expires: 1975-06-14
Abstract
No abstract record available.
Inventors
- 👤 Karl E Muller
- 👤 Bayer Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:59
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/23; C08K5/235
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
36 words
PROCESS FOR THE PRODUCTION OF CROSS-LINKED PLASTICS, WHICH COMPRISES TREATING A PLASTIC SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND CHLORINATED PRODUCTS OF PILYETHYLENE AT TEMPERATURES HIGHER THAN 80*C. WITH ALIPHATIC POLYAZO COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
GB619905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |