US3272772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filled polymer compositions
Assignee: Dow Chemical Co
•
Filing: 1961-08-30
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Granted: 1966-09-13
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Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:41
CPC Classifications
C; C08; C08F; C08F255/00; C08F255/02; C08F255/023; C08K; C08K9/00; C08K9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A COMPOSITION OF MATTER WHICH COMPRISES FROM 1 TO 4 PARTS BY WEIGHT OF CHLORINATED HIGH DENSITY POLYETHYLENE AND UNIFORMLY DISPERSED THROUGHOUT SAID CHLORINATED POLYETHYLENE FROM 1 TO 4 PARTS BY WEIGHT OF AN INORGANIC FILLER HAVING ADSORBED THEREON A POLAR GROUP-CONTAINING POLYMERIZABLE VINYL MONOMER.
Claim 2
Dependent Claim
45 words
A COMPOSITION OF MATTER WHICH COMPRISES FROM 1 TO 4 PARTS BY WEIGHT OF CHLORINATED HIGH DENSITY POLYETHYLENE AND UNIFORMLY DISPERSED THROUGHOUT SAID CHLORINATED POLYETHYLENE FROM 1 TO 4 PARTS BY WEIGHT OF AN INORGANIC FILLER HAVING ADSORBED THEREON A POLAR GROUP-CONTAINING POLYMERIZABLE VINYL MONOMER.
References Cited (Backward Citations)
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GB750809A
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US2841504A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |