Patent US3299185A successfully refreshed from Google Patents.
US3299185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeable polyolefin fibers containing a binary copolymer of styrene and acrylonitrile
Assignee: Ube Exsymo Co Ltd
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Filing: 1963-07-30
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Granted: 1967-01-17
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Oda Ryohei
- 👤 Takeda Norihisa
- 👤 Ueki Shiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:17
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A PROCESS FOR THE PRODUCTION OF READILY DYEABLE POLYOLEFINE FIBERS WHICH COMPRISES BLENDING A POLYOLEFINE WITH A BINARY COPOLYMER OF STYRENE AND ACRYLONITRILE AND MELT-SPINNING THE BLENDED POLYMER.
Claim 2
Dependent Claim
28 words
A PROCESS FOR THE PRODUCTION OF READILY DYEABLE POLYOLEFINE FIBERS WHICH COMPRISES BLENDING A POLYOLEFINE WITH A BINARY COPOLYMER OF STYRENE AND ACRYLONITRILE AND MELT-SPINNING THE BLENDED POLYMER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |