EP0171602A3 - Aqueous coal dispersions - Google Patents
Aqueous coal dispersions Download PDFInfo
- Publication number
- EP0171602A3 EP0171602A3 EP85108549A EP85108549A EP0171602A3 EP 0171602 A3 EP0171602 A3 EP 0171602A3 EP 85108549 A EP85108549 A EP 85108549A EP 85108549 A EP85108549 A EP 85108549A EP 0171602 A3 EP0171602 A3 EP 0171602A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- aqueous coal
- coal dispersions
- dispersions
- aqueous
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003245 coal Substances 0.000 title 1
- 239000006185 dispersion Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
- Y10S516/01—Wetting, emulsifying, dispersing, or stabilizing agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
- Y10S516/01—Wetting, emulsifying, dispersing, or stabilizing agents
- Y10S516/03—Organic sulfoxy compound containing
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Air Transport Of Granular Materials (AREA)
- Liquid Carbonaceous Fuels (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3426395A DE3426395A1 (en) | 1984-07-18 | 1984-07-18 | AQUEOUS COAL DISPERSIONS |
DE3426395 | 1984-07-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0171602A2 EP0171602A2 (en) | 1986-02-19 |
EP0171602A3 true EP0171602A3 (en) | 1988-01-20 |
EP0171602B1 EP0171602B1 (en) | 1989-10-25 |
Family
ID=6240907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85108549A Expired EP0171602B1 (en) | 1984-07-18 | 1985-07-10 | Aqueous coal dispersions |
Country Status (7)
Country | Link |
---|---|
US (1) | US4675025A (en) |
EP (1) | EP0171602B1 (en) |
JP (1) | JPS6143698A (en) |
AU (1) | AU573364B2 (en) |
CA (1) | CA1260709A (en) |
DE (2) | DE3426395A1 (en) |
ZA (1) | ZA855380B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3707941A1 (en) * | 1987-03-12 | 1988-09-22 | Henkel Kgaa | DISPERSING AGENTS AND THEIR USE IN AQUEOUS CARBON SUSPENSIONS |
US5266989A (en) * | 1988-10-06 | 1993-11-30 | Nikon Corporation | Camera which can be used for trimming shots |
JP2753531B2 (en) * | 1988-11-04 | 1998-05-20 | 株式会社ニコン | Auto focus camera |
US5270755A (en) * | 1990-05-01 | 1993-12-14 | Ricoh Company, Ltd. | Trimming information recordable camera |
JPH07175119A (en) * | 1990-05-01 | 1995-07-14 | Ricoh Co Ltd | Camera capable of trimming photographing |
JPH06337469A (en) * | 1993-05-31 | 1994-12-06 | Canon Inc | Camera with pseudotelescope |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2745449B1 (en) * | 1977-10-08 | 1979-03-15 | Basf Ag | Stable finely dispersed aqueous preparations of disperse dyes and optical brighteners and their use |
EP0071861A1 (en) * | 1981-08-01 | 1983-02-16 | Hoechst Aktiengesellschaft | Dispersing agents, process for their preparation and their use |
EP0108302A2 (en) * | 1982-10-30 | 1984-05-16 | Bayer Ag | Use of arylalkyl-polyalkylene glycol ethers in the preparation of aqueous coal slurries |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2564191A (en) * | 1949-01-03 | 1951-08-14 | Petrolite Corp | Certain oxyalkylated derivatives of difunctional bis-phenol aldehyde resins |
US4189445A (en) * | 1977-10-08 | 1980-02-19 | Basf Aktiengesellschaft | Surface-active phenolic derivatives |
US4358293A (en) * | 1981-01-29 | 1982-11-09 | Gulf & Western Manufacturing Co. | Coal-aqueous mixtures |
ZA82214B (en) * | 1981-01-29 | 1982-12-29 | Gulf & Western Mfg Co | Method for the benefication,liquefaction,and recovery of coal and other solid carbonaceous materials |
US4441889A (en) * | 1981-01-29 | 1984-04-10 | Gulf & Western Industries, Inc. | Coal-aqueous mixtures |
JPS58122991A (en) * | 1982-01-19 | 1983-07-21 | Kao Corp | Coal/water slurry composition |
JPS5920390A (en) * | 1982-07-24 | 1984-02-02 | Nippon Oil & Fats Co Ltd | Preparation of coal/water slurry |
US4457762A (en) * | 1983-01-07 | 1984-07-03 | Diamond Shamrock Chemicals Company | Stabilized water slurries of carbonaceous materials |
US4501594A (en) * | 1983-10-21 | 1985-02-26 | Diamond Shamrock Chemicals Company | Anionic polyhydroxy polyphenyl compounds as dispersants for aqueous slurries of carbonaceous materials |
-
1984
- 1984-07-18 DE DE3426395A patent/DE3426395A1/en not_active Withdrawn
-
1985
- 1985-07-10 DE DE8585108549T patent/DE3573928D1/en not_active Expired
- 1985-07-10 EP EP85108549A patent/EP0171602B1/en not_active Expired
- 1985-07-16 CA CA000486841A patent/CA1260709A/en not_active Expired
- 1985-07-17 JP JP60156184A patent/JPS6143698A/en active Pending
- 1985-07-17 ZA ZA855380A patent/ZA855380B/en unknown
- 1985-07-17 AU AU45113/85A patent/AU573364B2/en not_active Ceased
- 1985-07-18 US US06/756,317 patent/US4675025A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2745449B1 (en) * | 1977-10-08 | 1979-03-15 | Basf Ag | Stable finely dispersed aqueous preparations of disperse dyes and optical brighteners and their use |
EP0071861A1 (en) * | 1981-08-01 | 1983-02-16 | Hoechst Aktiengesellschaft | Dispersing agents, process for their preparation and their use |
EP0108302A2 (en) * | 1982-10-30 | 1984-05-16 | Bayer Ag | Use of arylalkyl-polyalkylene glycol ethers in the preparation of aqueous coal slurries |
Also Published As
Publication number | Publication date |
---|---|
CA1260709A (en) | 1989-09-26 |
DE3573928D1 (en) | 1989-11-30 |
EP0171602A2 (en) | 1986-02-19 |
AU4511385A (en) | 1986-01-23 |
ZA855380B (en) | 1986-03-26 |
AU573364B2 (en) | 1988-06-02 |
US4675025A (en) | 1987-06-23 |
DE3426395A1 (en) | 1986-01-23 |
JPS6143698A (en) | 1986-03-03 |
EP0171602B1 (en) | 1989-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2209759B (en) | Aqueous dispersions | |
GB8416453D0 (en) | Aqueous polymer dispersions | |
GB2209758B (en) | Aqueous dispersions | |
GB8721538D0 (en) | Aqueous dispersions | |
GB8820503D0 (en) | Aqueous dispersions | |
GB2156372B (en) | Aqueous inks | |
GB8820501D0 (en) | Aqueous dispersions | |
ZA835084B (en) | Aqueous dispersions | |
GB2099451B (en) | Aqueous coal suspension | |
GB8417811D0 (en) | Aqueous solution | |
DE3573928D1 (en) | Aqueous coal dispersions | |
GB8431437D0 (en) | Hitches | |
AU567657B2 (en) | Coal beneficiation | |
DE3571485D1 (en) | Cargo-fastening fitting | |
GB2153003B (en) | Pivotal connection arrangement | |
ZA857521B (en) | Aqueous coal dispersions | |
AU3085484A (en) | Coal aqueous slurry | |
JPS57202387A (en) | Aqueous coal suspension | |
GB2160121B (en) | Pulverizer | |
GB8401984D0 (en) | Hitches | |
GB8400182D0 (en) | Hitches | |
GB8721535D0 (en) | Aqueous dispersions | |
GB8721534D0 (en) | Aqueous dispersions |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT NL SE |
|
17P | Request for examination filed |
Effective date: 19871204 |
|
17Q | First examination report despatched |
Effective date: 19890302 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT NL SE |
|
ITF | It: translation for a ep patent filed | ||
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
REF | Corresponds to: |
Ref document number: 3573928 Country of ref document: DE Date of ref document: 19891130 |
|
ET | Fr: translation filed | ||
R20 | Corrections of a patent specification |
Effective date: 19900115 |
|
NLXE | Nl: other communications concerning ep-patents (part 3 heading xe) |
Free format text: ON 900531 NEW PAGES 2 AND 7 OF THE TRANSLATION OF THE PATENT SPECIFICATION HAVE BEEN RECEIVED IN CONNECTION WITH CORRECTIONS ISSUED BY THE EUROPEAN PATENT OFFICE |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19910617 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19910618 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19910701 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19910718 Year of fee payment: 7 |
|
ITTA | It: last paid annual fee | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19910731 Year of fee payment: 7 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19920710 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19920711 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Effective date: 19920716 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Effective date: 19930201 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19920710 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19930331 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
EUG | Se: european patent has lapsed |
Ref document number: 85108549.8 Effective date: 19930204 |