US2996486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride copolymers
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-07-31
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Granted: 1961-08-15
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Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard H Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:28
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06; C08F20/00; C08F20/02; C08F20/52; C08F20/54; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A RESINOUS INTERPOLYMER OF A BINARY MIXTURE OF MONOMERS CONSISTING OF VINYL CHLORIDE AND AN ALLYL ACRYLAMIDE MONOMER OF THE FORMULA:
Claim 2
Dependent Claim
21 words
A RESINOUS INTERPOLYMER OF A BINARY MIXTURE OF MONOMERS CONSISTING OF VINYL CHLORIDE AND AN ALLYL ACRYLAMIDE MONOMER OF THE FORMULA:
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |