Patent US3351576A successfully refreshed from Google Patents.
US3351576A
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Vinyl chloride polymers stabilized with mixtures comprising barium and cadmium soapsof monoesters of dicarboxylic acids
Assignee: Valtris Specialty Chemicals Ltd
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Filing: 1964-02-17
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Granted: 1967-11-07
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Oakes Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:37
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/138; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A COMPOSITION FOR STABILIZING VINYL CHLORIDE HOMOPOLYMER AND COPOLYMERS COMPRISING A BARIUM SOAP, A CADMIUM SOAP AND A PHENOL, ONE OF SAID SOAPS BEING A SOAP DERIVED FROM A MONOESTER OF A DICARBOXYLIC ACID AND THE OTHER OF SAID SOAPS BEING A SOAP DERIVED FROM A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOESTERS OF DICARBOXYLIC ACIDS AND ALIPHATIC MONOMCARBOXYLIC ACUDS.
Claim 2
Dependent Claim
61 words
A COMPOSITION FOR STABILIZING VINYL CHLORIDE HOMOPOLYMER AND COPOLYMERS COMPRISING A BARIUM SOAP, A CADMIUM SOAP AND A PHENOL, ONE OF SAID SOAPS BEING A SOAP DERIVED FROM A MONOESTER OF A DICARBOXYLIC ACID AND THE OTHER OF SAID SOAPS BEING A SOAP DERIVED FROM A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOESTERS OF DICARBOXYLIC ACIDS AND ALIPHATIC MONOMCARBOXYLIC ACUDS.
References Cited (Backward Citations)
US2590059A
Cited
US2564646A
Cited
US2681900A
Cited
US2795570A
Cited
GB841890A
Cited
US2997454A
Cited
US3231531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |