US2699434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride polymers plasticized with di-2,4,4-trimethylpentyl phthalate
Assignee: Distillers Co Yeast Ltd
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Filing: 1950-07-11
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Granted: 1955-01-11
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Expires: 1970-07-11
Abstract
No abstract record available.
Inventors
- 👤 Turck Karl Heinrich Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A PLASTICISED COMPOSITION COMPRISING A POLYMERIC RESIN HAVING A MAJOR PROPORTION OF VINYL CHLORIDE UNITS IN ITS MOLECULAR STRUCTURE AND DI-2:4:4-TRIMETHYLPENTYL PHTHALATE IN THE PROPORTION OF 5-150% OF THE RESIN.
Claim 2
Dependent Claim
30 words
A PLASTICISED COMPOSITION COMPRISING A POLYMERIC RESIN HAVING A MAJOR PROPORTION OF VINYL CHLORIDE UNITS IN ITS MOLECULAR STRUCTURE AND DI-2:4:4-TRIMETHYLPENTYL PHTHALATE IN THE PROPORTION OF 5-150% OF THE RESIN.
References Cited (Backward Citations)
US2015077A
Cited
US2091241A
Cited
US2325951A
Cited
US2450435A
Cited
US2462601A
Cited
US2517352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |