US3306342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid processes useful in precipitation of dissolved solids
Assignee: Covestro International SA
•
Filing: 1966-03-02
•
Granted: 1967-02-28
•
Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Salvo Joseph Geatano Di
- 👤 Wolfe John Samuel Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:44
CPC Classifications
C; C08; C08C; C08C2/00; C08C2/06; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PROCESS FOR EFFECTING CONTROLLED PRECIPITATION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE, POLYISOPRENE AND TERPOLYMERS CONTAINING ETHYLENE AND PROPYLENE MONOMERIC UNITS FROM A SOLUTION THEREOF IN A HYDROCARBON SOLVENT COMPRISING FORMING A SUSPENSION OF SAID SOLUTION AND WATER INTO A COMPLETELY CONFINED STREAM AND PASSING SAID STREAM INTO A MIXING ZONE, PASSING A COMPLETELY CONFINED STREAM OF STEAM INTO SAID MIXING ZONE AT AN ANGLE OF INCIDENCE WITH THE FIRST NAMED STREAM, BRINGING SAID STREAMS TOGETHER WHILE STILL COMPLETELY CONFINED WITH SUFFICIENT IMPACT AS TO CAUSE FRAGMENTATION OF SAID SUSPENSION AND EFFECT SUBSTANTIALLY INSTANTANEOUS RELEASE OF SUFFICIENT OF SAID SOLVENT TO OBTAIN FROM THE FRAG-
Claim 2
Dependent Claim
109 words
A PROCESS FOR EFFECTING CONTROLLED PRECIPITATION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE, POLYISOPRENE AND TERPOLYMERS CONTAINING ETHYLENE AND PROPYLENE MONOMERIC UNITS FROM A SOLUTION THEREOF IN A HYDROCARBON SOLVENT COMPRISING FORMING A SUSPENSION OF SAID SOLUTION AND WATER INTO A COMPLETELY CONFINED STREAM AND PASSING SAID STREAM INTO A MIXING ZONE, PASSING A COMPLETELY CONFINED STREAM OF STEAM INTO SAID MIXING ZONE AT AN ANGLE OF INCIDENCE WITH THE FIRST NAMED STREAM, BRINGING SAID STREAMS TOGETHER WHILE STILL COMPLETELY CONFINED WITH SUFFICIENT IMPACT AS TO CAUSE FRAGMENTATION OF SAID SUSPENSION AND EFFECT SUBSTANTIALLY INSTANTANEOUS RELEASE OF SUFFICIENT OF SAID SOLVENT TO OBTAIN FROM THE FRAG-
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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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |