US2557090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a polymerized vinyl chloride resin plasticized with monoalkoxyethyl diaryl phosphate esters
Assignee: Monsanto Chemicals Ltd
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Filing: 1948-01-02
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Granted: 1951-06-19
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Expires: 1968-01-02
Abstract
No abstract record available.
Inventors
- 👤 Harry R Gamrath
- 👤 Craver John Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/523
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PLASTICIZED ELASTOMERIC POLYVINYL CHLORIDE CONPOSITION COMPRISING (1) 100 PARTS BY WEIGHT OF A POLYVINYL CHLORIDE RESIN SELECTED FROM THE GROUP CONSISTING OF (A) POLYVINYL CHLORIDE AND (B) COPOLYMERS OF PREDOMINANTLY VINYL CHLORIDE AND UNSATURATED MATERIALS COPOLYMERIZABLE THEREWITH AND (2) 25 TO 150 PARTS BY WEIGHT OF A MONOALKOXYETHYL DIARYL PHOSPHATE ESTER SELECTED FROM THE GROUP CONSISTING OF MONOALKOXYETHYL DIPHENYL PHOSPHATE ESTERS AND MONOALKOXYETHYL DICRESYL PHOSPHATE ESTERS WHEREIN THE TERMINAL ALKYL SUBSTITUENT OF TH MONOALKOXYETHYL GROUPS CONTAIN AT LEAST 4 AND NOT MORE THAN 12 CARBON ATOMS.
Claim 2
Dependent Claim
87 words
A PLASTICIZED ELASTOMERIC POLYVINYL CHLORIDE CONPOSITION COMPRISING (1) 100 PARTS BY WEIGHT OF A POLYVINYL CHLORIDE RESIN SELECTED FROM THE GROUP CONSISTING OF (A) POLYVINYL CHLORIDE AND (B) COPOLYMERS OF PREDOMINANTLY VINYL CHLORIDE AND UNSATURATED MATERIALS COPOLYMERIZABLE THEREWITH AND (2) 25 TO 150 PARTS BY WEIGHT OF A MONOALKOXYETHYL DIARYL PHOSPHATE ESTER SELECTED FROM THE GROUP CONSISTING OF MONOALKOXYETHYL DIPHENYL PHOSPHATE ESTERS AND MONOALKOXYETHYL DICRESYL PHOSPHATE ESTERS WHEREIN THE TERMINAL ALKYL SUBSTITUENT OF TH MONOALKOXYETHYL GROUPS CONTAIN AT LEAST 4 AND NOT MORE THAN 12 CARBON ATOMS.
References Cited (Backward Citations)
US2168587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |