Patent US3271296A successfully refreshed from Google Patents.
US3271296A
Expired / Lapsed
US
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Process of heat transfer
Assignee: Veolia WTS USA Inc
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Filing: 1965-03-01
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Granted: 1966-09-06
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Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Gerardo A Gonzalez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:57
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR PREVENTING HEAT TRANSFER REDUCTION IN A METAL CONDUCTOR, THROUGH WHICH PASSES A HYDROCARBON OF THE GROUP CONSISTING OF NAPHTHAS, GAS OILS, CRUDE OILS, RESIDUUM, LIGHT DISTILLATE, GASOLINE OR MIXTURES THEREOF, AT A TEMPERATURE BETWEEN 200 AND 1100*F., WHICH COMPRISES ADDING TO SAID HYDROCARBON CHAIN GROUP BETWEEN 1 TO 200 PARTS PER MILLION BY VOLUME OF A REACTION PRODUCT OF (A) A MEMBER OF THE GROUP CONSISTING OF ALKYL SUBSTITUTED AND ALKENYL SUBSTITUTED SUCCINIC ANHYDRIDES HAVING THE FORMULA:
Claim 2
Dependent Claim
80 words
A PROCESS FOR PREVENTING HEAT TRANSFER REDUCTION IN A METAL CONDUCTOR, THROUGH WHICH PASSES A HYDROCARBON OF THE GROUP CONSISTING OF NAPHTHAS, GAS OILS, CRUDE OILS, RESIDUUM, LIGHT DISTILLATE, GASOLINE OR MIXTURES THEREOF, AT A TEMPERATURE BETWEEN 200 AND 1100*F., WHICH COMPRISES ADDING TO SAID HYDROCARBON CHAIN GROUP BETWEEN 1 TO 200 PARTS PER MILLION BY VOLUME OF A REACTION PRODUCT OF (A) A MEMBER OF THE GROUP CONSISTING OF ALKYL SUBSTITUTED AND ALKENYL SUBSTITUTED SUCCINIC ANHYDRIDES HAVING THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |