US3287312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of flame-resistant cross-linked polyethylene compositions
Assignee: Ericsson Inc
•
Filing: 1962-07-10
•
Granted: 1966-11-22
•
Expires: 1982-07-10
Abstract
No abstract record available.
Inventors
- 👤 Ling Ting Hung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:53
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/38; C08K5/00; C08K5/04; C08K5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS FOR PREPARING A FLAME-RESISTANT CROSSLINKED POLYETHYLENE COMPOSITION WHICH COMPRISES UNIRORMLY BLENDING A NORMALLY SOLID POLYMER OF ETHYLENE WITH FROM ABOUT 4 TO ABOUT 20 PERCENT BY WEIGHT OF AN INORGANIC FLUOROBORATE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM FLUOROBORATE, SODIUM FLUOROBORATE, POTASSIUM FLUOROBORATE, CALCIUM FLUOROBORATE, FLUOROBORATE, BARIUM FLUOROBORATE, AND STRONTIUM FLUOROBORATE, AND GENERATING FREE RADICALS WITHIN THE RESULTING MIXTURE TO INDUCE CROSS-LINKING OF THE POLYMER CHAINS.
Claim 2
Dependent Claim
68 words
A PROCESS FOR PREPARING A FLAME-RESISTANT CROSSLINKED POLYETHYLENE COMPOSITION WHICH COMPRISES UNIRORMLY BLENDING A NORMALLY SOLID POLYMER OF ETHYLENE WITH FROM ABOUT 4 TO ABOUT 20 PERCENT BY WEIGHT OF AN INORGANIC FLUOROBORATE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM FLUOROBORATE, SODIUM FLUOROBORATE, POTASSIUM FLUOROBORATE, CALCIUM FLUOROBORATE, FLUOROBORATE, BARIUM FLUOROBORATE, AND STRONTIUM FLUOROBORATE, AND GENERATING FREE RADICALS WITHIN THE RESULTING MIXTURE TO INDUCE CROSS-LINKING OF THE POLYMER CHAINS.
References Cited (Backward Citations)
US2480298A
Cited
US2799556A
Cited
US2888424A
Cited
US2823145A
Cited
US2948641A
Cited
US3012020A
Cited
US3239482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |