US3560591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester composition having antistatic ability containing polyalkylene oxides and organic sulfonic acid salts
Assignee: Toray Industries Inc
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Filing: 1967-05-09
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Granted: 1971-02-02
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Expires: 1987-05-09
Abstract
Abstract A POLYESTER COMPOSITION WITH AN EXCELLENT ANTISTATIC PROPERTY, COMPRISING POLYESTER IN WHICH ARE INCORPORATED AT LEAST ONE POLYALKYLENE ETHER SUBSTANTIALLY INSOLUBLE IN THE POLYESTER AND AT LEAST ONE ALKALI METAL SALT OR ALKALINE EARTH METAL SALT OF AN ORGANIC SULFONIC ACID HAVING NO ESTER-FORMING GROUP. AMONG THESE SALTS, DODIUM SALTS, POTASSIUM SALTS AND CALCIUM SALTS OF ALKYLBENZENESULFONIC ACIDS, ALKYLDIPHENYLETHER SULFONIC ACIDS AND ALKYLPHENOXYALKANE SULFONIC ACIDS ARE PREFERABLE.
Inventors
- 👤 Michihiko Tanaka
- 👤 Eiichi Hayashi
- 👤 Rei Yokouchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; C08L; C08L67/00; C08L67/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |