Patent US2648652A successfully refreshed from Google Patents.
US2648652A
Expired / Lapsed
US
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Plasticized polyvinyl chlorides
Assignee: Individual
•
Filing: 1951-03-29
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Granted: 1953-08-11
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Expires: 1971-03-29
Abstract
No abstract record available.
Inventors
- 👤 Schickh Otto Von
- 👤 Froese Waldtraut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A COMPOSITION OF MATTER COMPRISING POLYVINYL CHLORIDE PLASTICIZED WITH AN ALIPHATIC CARBOXYLIC ACID ESTER OF 6-CHLOROHEXANOL-1.
Claim 2
Dependent Claim
16 words
A COMPOSITION OF MATTER COMPRISING POLYVINYL CHLORIDE PLASTICIZED WITH AN ALIPHATIC CARBOXYLIC ACID ESTER OF 6-CHLOROHEXANOL-1.
References Cited (Backward Citations)
FR881970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |