US2875168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of extruding vinylidene chloride resin plasticized with an ethylene glycol dibenzoate
Assignee: Bridgestone Firestone Inc
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Filing: 1954-09-23
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Granted: 1959-02-24
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Expires: 1974-09-23
Abstract
No abstract record available.
Inventors
- 👤 Jr William Mayo Smith
- 👤 Chris E Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN THE PROCESS OF EXTRUDING AND ORIENTING A RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF CINYLIDENE CHLORIDE AND COPOLYMERS THEREOF WITH UP TO 15 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF SAID COPOLY MERS, OF OTHER MONOMER COPOLYMERIZED THEREWITH, THE IMPROVEMENT WHICH COMPRISES INCLUDING AS A PLASTICIZER IN THE MOLTENRESIN A SUBSTANTIAL AMOUNT NOT IN EXCESS OF 10 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE RESIN, OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
77 words
IN THE PROCESS OF EXTRUDING AND ORIENTING A RESIN SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF CINYLIDENE CHLORIDE AND COPOLYMERS THEREOF WITH UP TO 15 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF SAID COPOLY MERS, OF OTHER MONOMER COPOLYMERIZED THEREWITH, THE IMPROVEMENT WHICH COMPRISES INCLUDING AS A PLASTICIZER IN THE MOLTENRESIN A SUBSTANTIAL AMOUNT NOT IN EXCESS OF 10 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE RESIN, OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2654723A
Cited
US2637714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |