US4129421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic fuel additive for jet, gasoline, diesel, and bunker fuels
Assignee: Natural Resources Guardianship International Inc
•
Filing: 1977-06-24
•
Granted: 1978-12-12
•
Expires: 1997-06-24
Abstract
Abstract An energy-saving fuel additive for jet engines, gasoline and diesel engines, including additions to domestic heating and light industrial oils (#2 and #3) and residual or bunker fuel (#4, #5, and #6), which comprises as active ingredients a catalytic mixture of a major proportion of picric acid and a minor proportion of ferrous sulfate.
Inventors
- 👤 Harry M. Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:35
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/02; C10L1/00; C10L1/10; C10L10/04; F; F02; F02B; F02B51/00; F02B51/02; C10L1/12; C10L1/1233; C10L1/125; C10L1/1275; C10L1/14; C10L1/16; C10L1/1608; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/22; C10L1/222; C10L1/2222; C10L1/23; C10L1/231; F02B2275/00; F02B2275/14; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
50 words
A fuel additive for jet, internal combustion, and diesel engines consisting of an active ingredient formulation comprising a mixture of picric acid and ferrous sulfate in a relationship of picric acid:ferrous sulfate of about 17:1 to 70:1 in a combination alcohol solvent of methanol, ethanol, isopropanol, and toluene and water.
Claim 2
Dependent Claim
50 words
A fuel additive for jet, internal combustion, and diesel engines consisting of an active ingredient formulation comprising a mixture of picric acid and ferrous sulfate in a relationship of picric acid:ferrous sulfate of about 17:1 to 70:1 in a combination alcohol solvent of methanol, ethanol, isopropanol, and toluene and water.
Claim 3
Dependent Claim
17 words
The additive according to claim 1 which additionally contains a minor amount of nitrobenzene as a solvent.
Claim 4
Dependent Claim
34 words
The additive according to claim 1 wherein the solvent contains about 60% by volume of a mixture of methyl, ethyl, and isopropyl alcohols, 2% by volume of toluene, and 38% by volume of water.
Claim 5
Independent Claim
57 words
A method for treating fuels for jet, gasoline, and diesel engines which comprises adding thereto to each imperial gallon a formulation comprising a mixture of picric acid and ferrous sulfate in a relationship of picric acid:ferrous sulfate of about 17:1 to 70:1 in a combination alcohol solvent of methyl, ethyl, and isopropyl alcohols and toluene and water.
Claim 6
Independent Claim
57 words
A method for treating fuels for jet, gasoline, and diesel engines which comprises adding thereto to each imperial gallon a formulation comprising a mixture of picric acid and ferrous sulfate in a relationship of picric acid:ferrous sulfate of about 17:1 to 70:1 in a combination alcohol solvent of methyl, ethyl, and isopropyl alcohols and toluene and water.
Claim 7
Dependent Claim
18 words
The method according to claim 4 wherein the additive is in vaporized form for introduction into the engine.
Claim 8
Dependent Claim
19 words
The method according to claim 4 wherein the additive additionally contains a minor amount of nitrobenzene as a solvent.
Claim 9
Dependent Claim
35 words
The method according to claim 4 wherein the solvent contains about 60% by volume of a mixed solvent of methyl, ethyl, and isopropyl alcohols, 2% by volume of toluene, and 38% by volume of water.
Claim 10
Dependent Claim
43 words
An additive for use in bunker and residual fuels which has the following ingredients per imperial gallon: ______________________________________
Ferrous Sulfate 5 - 7 g.
Picric Acid 10 - 15 g.
Toluene 5 - 7 kg
Isopropanol 1 - 1.5 kg
Water Balance
______________________________________
Claim 11
Dependent Claim
43 words
An additive for use in bunker and residual fuels which has the following ingredients per imperial gallon: ______________________________________
Ferrous Sulfate 5 - 7 g.
Picric Acid 10 - 15 g.
Toluene 5 - 7 kg
Isopropanol 1 - 1.5 kg
Water Balance
______________________________________
Claim 12
Dependent Claim
35 words
The additive according to claim 8 wherein the ingredients have preferred values per imperial gallon as follows: ______________________________________
Ferrous Sulfate 5 g.
Picric Acid 10 g.
Toluene 5 kg
Isopropanol 1 kg
Water Balance
______________________________________
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) | 1981-12-11 | 1982-06-12 | 1982-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-11 | 1986-06-12 | 1986-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-11 | 1990-06-12 | 1990-12-12 | $7700.00 | Window Closed / Lapsed |