US2835563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of fuel briquettes
Assignee: BRIKO HAGUE NV
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Filing: 1956-05-07
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Granted: 1958-05-20
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Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Dohmen Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:35
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/02; C10L5/06; C10L5/10; C10L5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR THE MANUFACTURE OF FUEL BRIQUETTES WHICH COMPRISES MIXING COMMUNIUTED LIGNITE WITH A WATERSOLUBLE LOWER ALIPHATIC MONOCARBOXYLIC ACID AT A TEMPERATURE BETWEEN ABOUT 55*C. AND CARBONIZATION TEMPERATURE OF THE MIXTURE, WHEREBY A CONSIDERABLE PART OF THE WATER CONTAINED IN THE LIGNITE IS EXPELLED IN ADMIXTURE WITH SAID ACID, AND ENHANCED BINDING PROPERTIES, ARE IMPARTED TO THE RESULTING PRODUCT, AND THEREAFTER PRESSING THE RESULTING PRODUCT INTO BRIQUETTE FORM AT ELEVATED TEMEPRATURE.
Claim 2
Dependent Claim
72 words
A PROCESS FOR THE MANUFACTURE OF FUEL BRIQUETTES WHICH COMPRISES MIXING COMMUNIUTED LIGNITE WITH A WATERSOLUBLE LOWER ALIPHATIC MONOCARBOXYLIC ACID AT A TEMPERATURE BETWEEN ABOUT 55*C. AND CARBONIZATION TEMPERATURE OF THE MIXTURE, WHEREBY A CONSIDERABLE PART OF THE WATER CONTAINED IN THE LIGNITE IS EXPELLED IN ADMIXTURE WITH SAID ACID, AND ENHANCED BINDING PROPERTIES, ARE IMPARTED TO THE RESULTING PRODUCT, AND THEREAFTER PRESSING THE RESULTING PRODUCT INTO BRIQUETTE FORM AT ELEVATED TEMEPRATURE.
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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |