US2531396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomer reinforced with a modified clay
Assignee: NL Industries Inc
•
Filing: 1947-03-29
•
Granted: 1950-11-28
•
Expires: 1967-03-29
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Carter
- 👤 John G Hendricks
- 👤 Don S Bolley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/44; C08K9/00; C08K9/04; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A REINFORCED ELASTOMER, COMPRISING, AN ELASTOMER BASE SELECTED FROM A GROUP CONSISTING OF NATURAL RUBBER, BUTADIENE RUBBER COPOLYMERS AND POLYCHLOROPRENE RUBBERS, AND A MODIFIED CLAY ORIGINALLY EXHIBITING A BASE-EXCHANGE CAPACITY OF FROM 10 TO 100, IN WHICH THE INORGANIC CATION HAS BEEN REPLACED BY A SUBSTITUTED ORGANIC ONIUM BASE TO THE EXTENT OF AT LEAST 15 ME/100 G. OF THE CLAY.
Claim 2
Dependent Claim
61 words
A REINFORCED ELASTOMER, COMPRISING, AN ELASTOMER BASE SELECTED FROM A GROUP CONSISTING OF NATURAL RUBBER, BUTADIENE RUBBER COPOLYMERS AND POLYCHLOROPRENE RUBBERS, AND A MODIFIED CLAY ORIGINALLY EXHIBITING A BASE-EXCHANGE CAPACITY OF FROM 10 TO 100, IN WHICH THE INORGANIC CATION HAS BEEN REPLACED BY A SUBSTITUTED ORGANIC ONIUM BASE TO THE EXTENT OF AT LEAST 15 ME/100 G. OF THE CLAY.
References Cited (Backward Citations)
US2033856A
Cited
US2414391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |