US2497637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminates and polymers of alkenyl esters of arylphosphonic acids
Assignee: Victor Chemical Works
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Filing: 1945-12-06
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Granted: 1950-02-14
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Expires: 1965-12-06
Abstract
No abstract record available.
Inventors
- 👤 Toy Arthur Dock Fon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:30
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08F; C08F30/00; C08F30/02; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/3667; Y10T442/3691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A SOLID LAMINATED COMPOSITION COMPRISING LAYERS OF FABRIC MADE FROM FIBERS WITH THE SPACE BETWEEN FIBERS AND BETWEEN LAYERS OF FABRIC BEING AT LEAST PARTIALLY FILLED WITH A SOLID POLYMER OF A BETA, GAMMA DIALKENYL ARYLPHOSPHONATE ESTER OF THE CLASS CONSISTING OF DIALLYL AND DIMETHALLYL PHENYL, TOLYL, CHLOROPHENYL, AND CHLOROTOLYL PHOSPHONATE.
Claim 2
Dependent Claim
51 words
A SOLID LAMINATED COMPOSITION COMPRISING LAYERS OF FABRIC MADE FROM FIBERS WITH THE SPACE BETWEEN FIBERS AND BETWEEN LAYERS OF FABRIC BEING AT LEAST PARTIALLY FILLED WITH A SOLID POLYMER OF A BETA, GAMMA DIALKENYL ARYLPHOSPHONATE ESTER OF THE CLASS CONSISTING OF DIALLYL AND DIMETHALLYL PHENYL, TOLYL, CHLOROPHENYL, AND CHLOROTOLYL PHOSPHONATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |