US3377313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersion of carbon black in a thermoplastic polymer in admixture and with separately prepared oxymethylene polymer
Assignee: Celanese Corp
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Filing: 1963-07-01
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Granted: 1968-04-09
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Julius A Jupa
- 👤 John J Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:23
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; C08K; C08K3/00; C08K3/02; C08K3/04; C08K9/00; C08K9/08; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2004/00; C01P2004/51; C08J2359/00; C08J2359/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A COMPOSITION OF MATTER COMPRISING: (1) A DISPERSION OF (A) CARBON BLACK IN (B) A THERMOPLASTIC POLYMERIC MATERIAL, IN ADMIXTURE WITH (2) SEPARATELY PREPARED OXYMETHYLENE POLYMER, SAID SEPARATELY PREPARED OXYMETHYLENE POLYMER BEING THE SOLE OXYMETHYLENE POLYMER IN SAID COMPOSITION AND SAID THERMOPLASTIC POLYMERIC MATERIAL BEING INERT WITH RESPECT TO SAID CARBON BLACK AND SAID OXYMETHYLENE POLYMER.
Claim 2
Dependent Claim
56 words
A COMPOSITION OF MATTER COMPRISING: (1) A DISPERSION OF (A) CARBON BLACK IN (B) A THERMOPLASTIC POLYMERIC MATERIAL, IN ADMIXTURE WITH (2) SEPARATELY PREPARED OXYMETHYLENE POLYMER, SAID SEPARATELY PREPARED OXYMETHYLENE POLYMER BEING THE SOLE OXYMETHYLENE POLYMER IN SAID COMPOSITION AND SAID THERMOPLASTIC POLYMERIC MATERIAL BEING INERT WITH RESPECT TO SAID CARBON BLACK AND SAID OXYMETHYLENE 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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |