US3275731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material blending
Assignee: Phillips Petroleum Co
•
Filing: 1963-01-25
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Granted: 1966-09-27
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Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Edward J Kosinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:55
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/285; B29C48/288; B29C48/2886; B29C48/29; B29C48/03; B29K; B29K2105/00; B29K2105/0005; B29K2105/06; B29K2105/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF ADDING A FIRST MATERIAL TO A THERMOPLASTIC MATERIAL, WHICH METHOD COMPRISES PASSING THE THERMOPLASTIC MATERIAL IN A MOLTEN CONDITION THROUGH AN ELONGATED CONFINED ZONE IN A FIRST DIRECTION AXIALLY OF SAID CONFINED ZONE, AND INTRODUCING THE FIRST MATERIAL INTO SAID CONFI ED ZONE AT A POINT OF THE AXIS THEREOF, SAID FIRST MATERIAL BEING INTRODUCED IN A DIRECTION AXIALLY OF SAID CONFINED ZONE AND OPPOSITE SAID FIRST DIRECTION SO THAT SAID FIRST MATERIAL IS MIXED WITH SAID THERMOPLASTIC MATERIAL AND THEREAFTER FLOWS WITH SAID SECOND MATERIAL THROUGH SAID CONFINED ZONE PAST SAID POINT.
Claim 2
Independent Claim
96 words
THE METHOD OF ADDING A FIRST MATERIAL TO A THERMOPLASTIC MATERIAL, WHICH METHOD COMPRISES PASSING THE THERMOPLASTIC MATERIAL IN A MOLTEN CONDITION THROUGH AN ELONGATED CONFINED ZONE IN A FIRST DIRECTION AXIALLY OF SAID CONFINED ZONE, AND INTRODUCING THE FIRST MATERIAL INTO SAID CONFI ED ZONE AT A POINT OF THE AXIS THEREOF, SAID FIRST MATERIAL BEING INTRODUCED IN A DIRECTION AXIALLY OF SAID CONFINED ZONE AND OPPOSITE SAID FIRST DIRECTION SO THAT SAID FIRST MATERIAL IS MIXED WITH SAID THERMOPLASTIC MATERIAL AND THEREAFTER FLOWS WITH SAID SECOND MATERIAL THROUGH SAID CONFINED ZONE PAST SAID POINT.
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |