US3012013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride interpolymers
Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-07-31
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Granted: 1961-12-05
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Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 Morikawa Tetsuo
- 👤 Takiguchi Keiji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:50
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06; C08F18/00; C08F18/02; C08F18/04; C08F18/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A SUSPENSION POLYMERIZATION PROCESS FOR PREPARING A RESINOUS INTERPOLYMER OF A MONOMER MIXTURE CONSISTING OF 99.70-99.99 WEIGHT PERCENT OF VINYL CHLORIDE AND, CORRESPONDINGLY, 0.30-0.01 WEIGHT PERCENT OF A MONOMER OF THE FORMULA:
Claim 2
Dependent Claim
32 words
A SUSPENSION POLYMERIZATION PROCESS FOR PREPARING A RESINOUS INTERPOLYMER OF A MONOMER MIXTURE CONSISTING OF 99.70-99.99 WEIGHT PERCENT OF VINYL CHLORIDE AND, CORRESPONDINGLY, 0.30-0.01 WEIGHT PERCENT OF A MONOMER OF THE FORMULA:
References Cited (Backward Citations)
US2202846A
Cited
US2898244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |