US3032545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Particle agglomeration of water precipitated polyolefins
Assignee: Phillips Petroleum Co
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Filing: 1959-11-20
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Granted: 1962-05-01
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Expires: 1979-11-20
Abstract
No abstract record available.
Inventors
- 👤 Graham A Renberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:42
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
129 words
METHOD FOR AGGLOMERATING A FINELY DIVIDED SOLID DISPERSED IN A FLUID ADMIXTURE WHICH COMPRISES INTRODUCING A FIRST PORTION OF SAID DISPERSION ONTO THE UPPER SURFACE OF ONE SECTION OF AN ENDLESS TRAVELING POROUS FILTERING ZONE TO SEPARATE A SUBSTANTIAL PORTION OF THE LIQUID AND TO RETAIN SAID SOLIDS ON SAID ZONE, PASSING SAID RETAINED SOLID ON SAID ZONE TO A FIRST COMPRESSION ZONE, THEREBY REMOVING REMAINING FLUID AND COMPACTING SAID SOLID, INTRODUCING A SECOND PORTION OF SAID DISPERSION ONTO THE UPPER SURFACE OF A LOWER SECTION OF SAID ZONE CONTAINING SAID RETAINED SOLID, PASSING SAME THROUGH A SECOND COMPRESSION ZONE TO REMOVE SAID FLUID AND TO FLUSH SAID RETAINED COMPACTED SOLID FROM SAID ZONE, AND RECOVERING SAID COMPACTED SOLID FLUSHED FROM SAID ZONE AS A PRODUCT OF THE METHOD.
Claim 2
Dependent Claim
129 words
METHOD FOR AGGLOMERATING A FINELY DIVIDED SOLID DISPERSED IN A FLUID ADMIXTURE WHICH COMPRISES INTRODUCING A FIRST PORTION OF SAID DISPERSION ONTO THE UPPER SURFACE OF ONE SECTION OF AN ENDLESS TRAVELING POROUS FILTERING ZONE TO SEPARATE A SUBSTANTIAL PORTION OF THE LIQUID AND TO RETAIN SAID SOLIDS ON SAID ZONE, PASSING SAID RETAINED SOLID ON SAID ZONE TO A FIRST COMPRESSION ZONE, THEREBY REMOVING REMAINING FLUID AND COMPACTING SAID SOLID, INTRODUCING A SECOND PORTION OF SAID DISPERSION ONTO THE UPPER SURFACE OF A LOWER SECTION OF SAID ZONE CONTAINING SAID RETAINED SOLID, PASSING SAME THROUGH A SECOND COMPRESSION ZONE TO REMOVE SAID FLUID AND TO FLUSH SAID RETAINED COMPACTED SOLID FROM SAID ZONE, AND RECOVERING SAID COMPACTED SOLID FLUSHED FROM SAID ZONE AS A PRODUCT OF THE METHOD.
Claim 3
Dependent Claim
62 words
APPARATUS FOR AGGLOMERATING AND COLLECTING A FINELY DIVIDED SOLID DIPERSED IN A LIQUID MEDIUM COMPRISING IN COMBINATION, AN ENDLESS TRAVELLING FILTERING BELT, MEANS FOR FEEDING SAID DISPERSION ONTO THE UPPER AND LOWER RUNS OF SAID BELT, COMPRESSION MEANS AT THE END OF EACH RUN OF SAID BELT FOR SQUEEZING LIQUID OUT OF SAID SOLID AND COMPACTING SAME, MEANS FOR REMOVING AGGLOMERATED SOLID
Claim 4
Dependent Claim
62 words
APPARATUS FOR AGGLOMERATING AND COLLECTING A FINELY DIVIDED SOLID DIPERSED IN A LIQUID MEDIUM COMPRISING IN COMBINATION, AN ENDLESS TRAVELLING FILTERING BELT, MEANS FOR FEEDING SAID DISPERSION ONTO THE UPPER AND LOWER RUNS OF SAID BELT, COMPRESSION MEANS AT THE END OF EACH RUN OF SAID BELT FOR SQUEEZING LIQUID OUT OF SAID SOLID AND COMPACTING SAME, MEANS FOR REMOVING AGGLOMERATED SOLID
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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |