US3830873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic resin-graft polyblend compositions
Assignee: Denka Co Ltd
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Filing: 1973-02-22
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Granted: 1974-08-20
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Expires: 1993-02-22
Abstract
Abstract THERMOPLASTIC RESIN COMPOSITIONS PREPARED BY BLENDING GRAFTPOLYMERS FORMED OF RUBBERY COPOLYMERS OBTAINED BY COPOLYMERIZING A VINYL MONOMER WITH AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLIC AND METHACRYLIC ESTERS OF TETRAHYDROFURFURYL ALCOHOL, ETHYLENE GLYCOL MONOMETHYL ETHER AND 3-METHOXYBUTANOL, AND AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC VINYL COMPOUNDS, VINYL CYANIDES, AND MIXTURES OF EITHER OF SAID TYPES OF COMPOUNDS AND MONOMERS COPOLYMERIZABLE THEREWITH, WITH POLYMERS SEPARATELY PREPARED FROM AT LEAST ONE COMPOUND CONSISTING OF EITHER OR COMBINATION OF SAID AROMATIC VINYL COMPOUNDS AND VINYL CYANIDES.
Inventors
- 👤 S Yoshida
- 👤 T Iguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:58
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08F; C08F265/00; C08F265/04; C08F265/06; C08L51/00; C08L51/003; C08L51/04
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) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |