Patent US2716110A successfully refreshed from Google Patents.
US2716110A
Expired / Lapsed
US
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Polymerization of vinyl chloride with n-chlorophthalimide modifier
Assignee: Uniroyal Inc
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Filing: 1952-11-26
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Granted: 1955-08-23
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Expires: 1972-11-26
Abstract
No abstract record available.
Inventors
- 👤 Dexter C Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:13
CPC Classifications
C; C08; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
THE METHOD WHIC COMPRISES POLYMERIZING VINYL CHLORIDE AT 25*C. TO 60*C. IN THE PRESENCE OF A FREE RADICAL PRODUCING POLYMERIZATION INITIATOR AND 0.1% TO 8% OF N-CHLOROPHTHALIMIDE BASED ON THE WEIGHT OF THE VINYL CHLORIDE MONOMER.
Claim 2
Independent Claim
36 words
THE METHOD WHIC COMPRISES POLYMERIZING VINYL CHLORIDE AT 25*C. TO 60*C. IN THE PRESENCE OF A FREE RADICAL PRODUCING POLYMERIZATION INITIATOR AND 0.1% TO 8% OF N-CHLOROPHTHALIMIDE BASED ON THE WEIGHT OF THE VINYL CHLORIDE MONOMER.
References Cited (Backward Citations)
US2533525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |