US3342901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blending of thermoplastic material
Assignee: Phillips Petroleum Co
•
Filing: 1963-01-28
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Granted: 1967-09-19
•
Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Edward J Kosinsky
- 👤 Solop Eli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:03
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/375; B29C48/38; B29C48/03; B29C48/05; B29C48/06; B29C48/07; B29C48/08; B29C48/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A METHOD FOR BLENDING THERMOPLASTIC MATERIALS WHICH COMPRISES SUBJECTING A FIRST THERMOPLASTIC MATERIAL TO A FIRST TEMPERATURE SUFFICIENT TO MELT SAID FIRST THERMOPLASTIC MATERIAL DIFFERENT FROM SAID FIRST THERMOPLASTIC MATERIAL AND ACHIEVE A FIRST VALUE OF MELT VISCOSITY FOR THE THUS MELTED FIRST THERMOPLASTIC MATERIAL, SUBJECTING A SECOND THERMOPLASTIC MATERIAL DIFFERENT FROM SAID FIRST THERMOPLASTIC MATERIAL TO A SECOND TEMPERATURE DIFFERENT FROM SAID FIRST TEMPERATURE AND SUFFICIENT TO MELT SAID SECOND THERMOPLASTIC MATERIAL AND ACHIEVE A SECOND VALUE OF MELT VISCOSITY FOR THE THUS MELTED SECOND THERMOPLASTIC MATERIAL, SAID FIRST VALUE AND SAID SECOND VALUE BEING SUBSTANTIALLY SIMILAR, AND INTIMATELY ADMIXING SAID THUS MELTED FIRST THERMOPLASTIC MATERIAL AND SAID THUS MELTED SECOND THERMOPLASTIC MATERIAL WHILE SAID MELTED FIRST THERMOPLASTIC MATERIAL HAS SAID FIRST VALUE OF MELT VISCOSITY AND SAID MELTED SECOND THERMOPLASTIC MATERIAL HAS SAID SECOND VALUE OF MELT VISCOSITY, AND RECOVERING THE THE RESULTING BLEND AS A PRODUCT OF THE PROCESS.
Claim 2
Independent Claim
152 words
A METHOD FOR BLENDING THERMOPLASTIC MATERIALS WHICH COMPRISES SUBJECTING A FIRST THERMOPLASTIC MATERIAL TO A FIRST TEMPERATURE SUFFICIENT TO MELT SAID FIRST THERMOPLASTIC MATERIAL DIFFERENT FROM SAID FIRST THERMOPLASTIC MATERIAL AND ACHIEVE A FIRST VALUE OF MELT VISCOSITY FOR THE THUS MELTED FIRST THERMOPLASTIC MATERIAL, SUBJECTING A SECOND THERMOPLASTIC MATERIAL DIFFERENT FROM SAID FIRST THERMOPLASTIC MATERIAL TO A SECOND TEMPERATURE DIFFERENT FROM SAID FIRST TEMPERATURE AND SUFFICIENT TO MELT SAID SECOND THERMOPLASTIC MATERIAL AND ACHIEVE A SECOND VALUE OF MELT VISCOSITY FOR THE THUS MELTED SECOND THERMOPLASTIC MATERIAL, SAID FIRST VALUE AND SAID SECOND VALUE BEING SUBSTANTIALLY SIMILAR, AND INTIMATELY ADMIXING SAID THUS MELTED FIRST THERMOPLASTIC MATERIAL AND SAID THUS MELTED SECOND THERMOPLASTIC MATERIAL WHILE SAID MELTED FIRST THERMOPLASTIC MATERIAL HAS SAID FIRST VALUE OF MELT VISCOSITY AND SAID MELTED SECOND THERMOPLASTIC MATERIAL HAS SAID SECOND VALUE OF MELT VISCOSITY, AND RECOVERING THE THE RESULTING BLEND AS A PRODUCT OF THE PROCESS.
References Cited (Backward Citations)
US1516450A
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US1352655A
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US3121070A
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |