US3370032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride polymer composition plasticized with mixed benzoic/alkanoic acid esters
Assignee: Union Carbide Corp
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Filing: 1963-09-06
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Granted: 1968-02-20
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Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 George H Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:28
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PLASTICIZED COMPOSITION WHICH COMPRISES A HOMOGENEOUS ADMIXTURE OF (A) A VINYL CHLORIDE POLYMER SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE HOMOPOLYMER AND COPOLYMERS OF VINYL CHLORIDE AND AN ETHYLENICALLY UNSATURATED MONOMER THAT IS COPOLYMERIZABLE THEREWITH, SAID VINYL CHLORIDE POLYMER HAVING AN INHERENT VISCOSITY IN THE RANGE OF FROM 0.2 TO 1.6, AND (B) A PLASTICIZING AMOUNT OF A MIXED BENZOIC/ALKANOIC ESTER OF 2-HYDROXYMETHYL-2-METHYLPROPYL 2-HYDROXYMETHYL-2METHYLPROPIONATE, THE ALKANOIC MOIETIES HAVING FROM 6 TO 18 CARBON ATOMS AND THE BENZOIC AND ALKANOIC MOIETIES BEING PRESENT IN A BENZOIC:ALKANOIC MOLAR RATIO IN THE RANGE OF FROM 17:30 TO 30:70.
Claim 2
Dependent Claim
97 words
A PLASTICIZED COMPOSITION WHICH COMPRISES A HOMOGENEOUS ADMIXTURE OF (A) A VINYL CHLORIDE POLYMER SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE HOMOPOLYMER AND COPOLYMERS OF VINYL CHLORIDE AND AN ETHYLENICALLY UNSATURATED MONOMER THAT IS COPOLYMERIZABLE THEREWITH, SAID VINYL CHLORIDE POLYMER HAVING AN INHERENT VISCOSITY IN THE RANGE OF FROM 0.2 TO 1.6, AND (B) A PLASTICIZING AMOUNT OF A MIXED BENZOIC/ALKANOIC ESTER OF 2-HYDROXYMETHYL-2-METHYLPROPYL 2-HYDROXYMETHYL-2METHYLPROPIONATE, THE ALKANOIC MOIETIES HAVING FROM 6 TO 18 CARBON ATOMS AND THE BENZOIC AND ALKANOIC MOIETIES BEING PRESENT IN A BENZOIC:ALKANOIC MOLAR RATIO IN THE RANGE OF FROM 17:30 TO 30:70.
References Cited (Backward Citations)
US3000747A
Cited
US3072591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |