US3007781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical cleaning of oil heating systems
Assignee: ExxonMobil Oil Corp
•
Filing: 1960-04-04
•
Granted: 1961-11-07
•
Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robert A Billmeier
- 👤 John F Mchale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:46
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/22; C11D7/32; C11D7/3281; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C11D7/24; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/188; C10L1/1886; C10L1/22; C10L1/232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A LIQUID COMPOSITION FOR USE IN REMOVING DEPOSITS FROM OIL BURNING FURNACES AND THE BURNERS OF SAID FURNACES COMPRISING: (1) 40-90% BY VOLUME OF A DISTILLATE HYDROCARBON OIL OF 75%-100% AROMATICS CONTENT AND BOILING WITHIN THE RANGE OF ABOUT 300-700*F., (2) 3-25% BY VOLUME OF THE LACTATE SALT OF 2 HEPTADECYL IMIDAZOLINE, (3) 5-20% BY VOLUME OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NORMAL BUTYL ALCOHOL, ISO BUTYL ALCOHOL, SECONDARY BUTYL ALCOHOL AND TERTIARY BUTYL ALCOHOL, AND (4) 2-25% BY VOLUME OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF LEAD NATPTHENATE, MANGANESE NAPHTHENATE AND COPPER NAPHTHENATE.
Claim 2
Dependent Claim
99 words
A LIQUID COMPOSITION FOR USE IN REMOVING DEPOSITS FROM OIL BURNING FURNACES AND THE BURNERS OF SAID FURNACES COMPRISING: (1) 40-90% BY VOLUME OF A DISTILLATE HYDROCARBON OIL OF 75%-100% AROMATICS CONTENT AND BOILING WITHIN THE RANGE OF ABOUT 300-700*F., (2) 3-25% BY VOLUME OF THE LACTATE SALT OF 2 HEPTADECYL IMIDAZOLINE, (3) 5-20% BY VOLUME OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NORMAL BUTYL ALCOHOL, ISO BUTYL ALCOHOL, SECONDARY BUTYL ALCOHOL AND TERTIARY BUTYL ALCOHOL, AND (4) 2-25% BY VOLUME OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF LEAD NATPTHENATE, MANGANESE NAPHTHENATE AND COPPER NAPHTHENATE.
References Cited (Backward Citations)
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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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |