US2861052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride resin stabilized with polyhydric alcohol and friedelcrafts catalyst
Assignee: FERRO CHEMICAL Corp
•
Filing: 1954-01-04
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Granted: 1958-11-18
•
Expires: 1974-01-04
Abstract
No abstract record available.
Inventors
- 👤 Stanley B Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:48
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/057
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A COMPOSITION OF MATTER COMPRISING VINYL CHLORIDE RESIN AND FROM 0.5% TO 10% PER 100 PARTS OF SAID RESIN OF A STABILIZER, SAID STABILIZER COMPRISING A PRIMARY ALIPHATIC POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS OF WHICH AT LEAST TWO HYDROXYL GROUPS ARE FREE AND A BOILING POINT NOT LESS THAN 250*F. AND FROM .05 TO 100 PARTS PER 100 PARTS OF SAID ALCOHOL OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF HALIDES OF AL, SB, ZN SN, TI, ZR, BE, B, CD AND BI.
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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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |