Patent US4520940A successfully refreshed from Google Patents.
Patent US2563485A successfully refreshed from Google Patents.
US2563485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride resins plasticized
Assignee: —
•
Filing: —
•
Granted: 1951-08-07
•
Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:44
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/105; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A RESIN COMPOSITION COMPRISING A VINYL CHLORIDE RESIN AND AN ESTER OF A MONOHYDRIC PHENOL WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF UNSATURATAED MONOCARBOXYLIC HIGHER FATTY ACIDS CONTAINING AT LEAST 16 CARBON ATOMS TO THE MOLECULE AND UNSATURATED MONOCARBOXYLIC CYCLOALIPHATIC ACIDS, THE SAID ESTER SERVING AS A LIGHT AND HEAT STABLE PLASTICIZER FOR THE VINYL RESIN.
Claim 2
Dependent Claim
58 words
A RESIN COMPOSITION COMPRISING A VINYL CHLORIDE RESIN AND AN ESTER OF A MONOHYDRIC PHENOL WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF UNSATURATAED MONOCARBOXYLIC HIGHER FATTY ACIDS CONTAINING AT LEAST 16 CARBON ATOMS TO THE MOLECULE AND UNSATURATED MONOCARBOXYLIC CYCLOALIPHATIC ACIDS, THE SAID ESTER SERVING AS A LIGHT AND HEAT STABLE PLASTICIZER FOR THE VINYL RESIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |