US3286167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monitoring of heterogeneity of alkylation emulsions
Assignee: Shell USA Inc
•
Filing: 1962-04-25
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Granted: 1966-11-15
•
Expires: 1982-04-25
Abstract
No abstract record available.
Inventors
- 👤 John E Gwyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:37
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD FOR MONITORING THE HETEROGENEITY OF AN ALKYLATION EMULSION STREAM COMPRISING THE STEPS OF: CONTINUOUSLY PASSING AN ALTERNATING ELECTRICAL CURRENT THROUGH A PORTION OF SAID STREAM; DETECTING SAID ELECTRICAL CURRENT AND PRODUCING AN ELECTRICAL SIGNAL PROPORTIONAL THEREO; FILTERING SAID ELECTRICAL SIGNAL TO REMOVE THOSE ALTERNATING CURRENT COMPONENTS THEREOF CAUSED BY SAID ALTERNATING ELECTRICAL CURRENT WHILE RETANING THOSE ALTERNATING CURRENT COMPONENTS CAUSED BY CHANGES IN THE CONDUCTIVITY OF THE STEAM; AND DETECTING AND DISPLAYING SAID RETAINED ALTERNATING CURRENT COMPONENTS IN THE FILTERED SIGNAL TO INDICATE THE HETEROGENEITY OF THE STREAM.
Claim 2
Independent Claim
90 words
A METHOD FOR MONITORING THE HETEROGENEITY OF AN ALKYLATION EMULSION STREAM COMPRISING THE STEPS OF: CONTINUOUSLY PASSING AN ALTERNATING ELECTRICAL CURRENT THROUGH A PORTION OF SAID STREAM; DETECTING SAID ELECTRICAL CURRENT AND PRODUCING AN ELECTRICAL SIGNAL PROPORTIONAL THEREO; FILTERING SAID ELECTRICAL SIGNAL TO REMOVE THOSE ALTERNATING CURRENT COMPONENTS THEREOF CAUSED BY SAID ALTERNATING ELECTRICAL CURRENT WHILE RETANING THOSE ALTERNATING CURRENT COMPONENTS CAUSED BY CHANGES IN THE CONDUCTIVITY OF THE STEAM; AND DETECTING AND DISPLAYING SAID RETAINED ALTERNATING CURRENT COMPONENTS IN THE FILTERED SIGNAL TO INDICATE THE HETEROGENEITY OF THE STREAM.
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |