US3580735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefin-molded article having good antistatic property and preparation of the same
Assignee: Asahi Kasei Corp
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Filing: 1968-12-30
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Granted: 1971-05-25
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Expires: 1988-12-30
Abstract
Abstract IN A POLYOLEFIN FIBER, CONTAINING THEREIN AN INTERNAL ANTISTATIC AGENT SUCH AS QUARTERNARY AMMONIUM SALTS, GLYCERIDES OR HIGHER FATTY ACID AMIDES AND A MODIFYING AGENT SELECTED FROM ALUMINUM OXIDE, CALCIUM CHLORIDE, CALCIUM CARBONATE, DIPHENYL PHTHALATE, TRICRESYL PHOSPHATE AND POLYETHYLENE GLYCOL, AN IMPROVED ARTICLE HAVING MORE DURABLE ANTISTATIC EFFECT BY COATING THE OUTER LAYER OF THE ARTICLE WITH AN EXTERNAL ANTISTATIC AGENT SUCH AS RELATIVELY HIGH MOLECULAR VINYL POLYMER.
Inventors
- 👤 Yutaka Shimodoi
- 👤 Heiichiro Ootake
- 👤 Kouichi Mihara
- 👤 Kiyoshi Takao
- 👤 Shogo Matsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:59
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/285; C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0075; C08K5/04; C08K5/09; C08K5/092; C08K5/16; C08K5/20; C08L; C08L23/00; C08L23/02; D01; D01F; D01F1/00; D01F1/02; D01F1/09; D01F6/00; D01F6/02; D01F6/04; D01F6/06; D06M15/263; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2971
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |