US2970128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved elastomer composition containing antioxidants
Assignee: EIDP Inc
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Filing: 1958-12-24
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Granted: 1961-01-31
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Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Csendes Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K13/00; C08K13/02; C08K5/04; C08K5/13; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CURED ELASTOMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND SYNTHETIC RUBBER MADE FROM CONJUGATED DIENES HAVING INCORPORATED THEREIN, PER 100 PARTS BY WEIGHT OF SAID ELASTOMER, (A) FROM 0.1 TO 5 PARTS BY WEIGHT OF A PHENOLIC ANTIOXIDANT, (B) FROM 0.1 TO 5 PARTS BY WEIGHT OF AN N-ALKYL GLUCAMINE, SAID N-ALKYL SUBSTITUENT HAVING FROM 1 TO 12 CARBON ATOMS, AND (C) FROM 50 TO 100 PARTS BY WEIGHT OF AN INORGANIC FILER SELECTED FROM THE GROUP CONSISTING OF CALCIUM CARBONATE, BARIUM SULFATE, TITANIUM DIOXIDE AND CLAY.
Claim 2
Dependent Claim
90 words
A CURED ELASTOMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND SYNTHETIC RUBBER MADE FROM CONJUGATED DIENES HAVING INCORPORATED THEREIN, PER 100 PARTS BY WEIGHT OF SAID ELASTOMER, (A) FROM 0.1 TO 5 PARTS BY WEIGHT OF A PHENOLIC ANTIOXIDANT, (B) FROM 0.1 TO 5 PARTS BY WEIGHT OF AN N-ALKYL GLUCAMINE, SAID N-ALKYL SUBSTITUENT HAVING FROM 1 TO 12 CARBON ATOMS, AND (C) FROM 50 TO 100 PARTS BY WEIGHT OF AN INORGANIC FILER SELECTED FROM THE GROUP CONSISTING OF CALCIUM CARBONATE, BARIUM SULFATE, TITANIUM DIOXIDE AND CLAY.
References Cited (Backward Citations)
US2819329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |