US2590834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized polyvinylidene chloride compositions
Assignee: Distillers Co Yeast Ltd
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Filing: 1946-12-03
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Granted: 1952-04-01
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Expires: 1966-12-03
Abstract
No abstract record available.
Inventors
- 👤 Faulkner Donald
- 👤 Staudinger Johann Josef Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:59
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/01; C08K5/02; C08K5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PLASTICIZED POLYMERIC MATERIAL, SAID MATERIAL CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF VINYLIDENE CHLORIDE UNITS IN ITS MOLECULAR STRUCTURE AND AT LEAST ONE LOW POLYMER OF THE CLASS CONSISTING OF DIMERS AND TRIMERS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALPHA-METHYL STYRENE, NUCLEAR METHYL SUBSITUTED SYYRENES AND NUCLEAR CHLORINE SUBSTITUTED STYRENES.
Claim 2
Dependent Claim
55 words
A PLASTICIZED POLYMERIC MATERIAL, SAID MATERIAL CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF VINYLIDENE CHLORIDE UNITS IN ITS MOLECULAR STRUCTURE AND AT LEAST ONE LOW POLYMER OF THE CLASS CONSISTING OF DIMERS AND TRIMERS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALPHA-METHYL STYRENE, NUCLEAR METHYL SUBSITUTED SYYRENES AND NUCLEAR CHLORINE SUBSTITUTED STYRENES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |