US3309333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N, n-disubstituted amides and their use as plasticizers in vinyl chloride resins
Assignee: Individual
•
Filing: 1964-08-26
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Granted: 1967-03-14
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Expires: 1984-08-26
Abstract
No abstract record available.
Inventors
- 👤 Robert R Mod
- 👤 Frank C Magne
- 👤 Evald L Skau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:58
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/46; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PLASTICIIZED VINYL CHLORIDE-TYPE REIN COMPOSITION COMPRISING AT LEAST ONE VINYL CHLORIDE-TYPE RESIN SELECTED FROM THE GROUP CONSISTING OF A POLYVINYL CHLORIDE HOMOPOLYMER AND A VINYL CHLORIDE-VINYL ACETATE COPOLYMER CONTAINING A MAJOR PORTION OF VINYL CHLORIDE BY WEIGHT, PLASTICIZED WITH A PLASTICIZER CONSISTING OF A COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
50 words
A PLASTICIIZED VINYL CHLORIDE-TYPE REIN COMPOSITION COMPRISING AT LEAST ONE VINYL CHLORIDE-TYPE RESIN SELECTED FROM THE GROUP CONSISTING OF A POLYVINYL CHLORIDE HOMOPOLYMER AND A VINYL CHLORIDE-VINYL ACETATE COPOLYMER CONTAINING A MAJOR PORTION OF VINYL CHLORIDE BY WEIGHT, PLASTICIZED WITH A PLASTICIZER CONSISTING OF A COMPOUND REPRESENTED BY THE FORMULA
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |