US2636869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic molding compositions
Assignee: RCA Corp
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Filing: 1951-05-04
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Granted: 1953-04-28
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Expires: 1971-05-04
Abstract
No abstract record available.
Inventors
- 👤 Tartas Donald A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:13
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08K; C08K3/00; C08K3/02; C08K3/04; C08K5/00; C08K5/0008; C08K5/005; C08K5/04; C08K5/09; C08L91/00; C08L91/06; C08L65/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PLASTIC MOLDING COMPOSITION COMPRISING ABOUT 55 TO 65% BY WEIGHT OF A FIRST RESIN FROM THE CLASS CONSISTINGOF POLYVINYL CHLORIDE, COPOLYMERS OF VINVY CHLORIDE AND VINYLIDENE CHLORIDE CONTAINING ABOUT 5-15% BY WEIGHT VINYLIDENE CHLORIDE, AND COPOLYMERS OF VINYL CHLORIDEVINYL ACETATE CONTAINING ABOUT 6-15% BY WEIGHT VINYL ACETATE, ABOUT 10-20% BY WEIGHT OF A 70% CHLORINATED PARAFFIN WAX, ABOUT 3-7.5% BY WEIGHT OF A SECOND RESIN WHICH IS A PRODUCT PRODUCED BY REACTING A TERPENE AND A PHENOL IN THE PRESENCE OF A MOLECULAR COMPOUND OF BORON TRIFLUORIDE AT A TEMPERATURE OF ABOUT 30*-70* C., SAID SECOND RESIN HAVING A MELTING POINT OF 93-95* C., AND FROM ABOUT 12 TO ABOUT 25% OF A FILLER.
Claim 2
Dependent Claim
115 words
A PLASTIC MOLDING COMPOSITION COMPRISING ABOUT 55 TO 65% BY WEIGHT OF A FIRST RESIN FROM THE CLASS CONSISTINGOF POLYVINYL CHLORIDE, COPOLYMERS OF VINVY CHLORIDE AND VINYLIDENE CHLORIDE CONTAINING ABOUT 5-15% BY WEIGHT VINYLIDENE CHLORIDE, AND COPOLYMERS OF VINYL CHLORIDEVINYL ACETATE CONTAINING ABOUT 6-15% BY WEIGHT VINYL ACETATE, ABOUT 10-20% BY WEIGHT OF A 70% CHLORINATED PARAFFIN WAX, ABOUT 3-7.5% BY WEIGHT OF A SECOND RESIN WHICH IS A PRODUCT PRODUCED BY REACTING A TERPENE AND A PHENOL IN THE PRESENCE OF A MOLECULAR COMPOUND OF BORON TRIFLUORIDE AT A TEMPERATURE OF ABOUT 30*-70* C., SAID SECOND RESIN HAVING A MELTING POINT OF 93-95* C., AND FROM ABOUT 12 TO ABOUT 25% OF A FILLER.
References Cited (Backward Citations)
US2563414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |