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1 / 489,664
1.WO/2000/029336BIOCHEMICAL TREATMENT OF BITUMEN FROTH TAILINGS
WO - 25.05.2000
Int.Class C10G 1/04
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
1Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
04by extraction
 Appl.No PCT/US1999/020740 Applicant BHP MINERALS INTERNATIONAL INC. Inventor DUYVESTEYN, Willem, P., C.
A process for the biological treatment of bitumen froth tailings produced from a tar sands treatment and bitumen froth extraction process is disclosed. In this process bitumen froth tailings, containing native hydrocarbon metabolizing microorganisms, are mixed with a growth media to form an inoculum which is then incubated under isothermal conditions for an amount of time to produce a mixed bacterial culture containing bioliquor and a water product containing a reduced amount of asphaltenes as well as solids such as clays and sands. The bioliquor produced in this process is then utilized in the initial tar sands conditioning process from which bitumen froth is produced as well as in the initial tar sands mining process via bioliquor injection directly into the tar sands formation. Because the mixed bacterial culture is made up of a number of hydrocarbon metabolizing microorganisms, the bioliquor is also used in the degradation of the asphaltenes. The treatment results in a process for decreasing the amount of waste produced in bitumen extraction processes. Furthermore, because the invention utilizes a biosurfactant containing bioliquor in the initial tar sands conditioning process, bitumen froth can be produced at lower temperatures and without requiring the use of caustic soda, as is conventionally practiced. Thus, the present invention advantageously avoids the production of tailings sludges caused by clay dispersion.
2.WO/1985/004162PROCESS FOR FABRICATING A PRODUCT APPROPRIATE FOR PRODUCING PURE QUARTZ GLASS, PROCESS FOR PRODUCING PURE QUARTZ GLASS FROM SAID PRODUCT AND UTILIZATION OF SAID PRODUCT FOR GROWING PIEZOELECTRIC CRYSTALS
WO - 26.09.1985
Int.Class C03B 20/00
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
20Processes specially adapted for the production of quartz or fused silica articles
 Appl.No PCT/DE1985/000085 Applicant SACHER, Leo, K. Inventor LINDEMANN, Gerhard
Process for fabricating a product appropriate for producing pure quartz glass from natural quartz which is not transparent (milky quartz) and process for treating said product for making a mold body from pure quartz glass. Furthermore, said product is appropriate as starting material for growing piezoelectric crystals in autoclaves.
3.WO/1999/033936EXTRACTION OF BITUMEN FROM BITUMEN FROTH GENERATED FROM TAR SANDS
WO - 08.07.1999
Int.Class C10G 1/04
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
1Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
04by extraction
 Appl.No PCT/US1998/026944 Applicant BHP MINERALS INTERNATIONAL INC. Inventor DUYVESTEYN, Willem, P., C.
A process for the extraction of bitumen from bitumen froth generated from tar sands is presented. The deaerated bitumen froth (12) produced by deaerator (11) is fed to primary mixer (13) where it is mixed with secondary settler overflow produced from the secondary settler (22), containing a large proportion of diluted bitumen and solvent, fed through suitable conduit (15). During mixing in primary mixer (13), the secondary settler overflow (15), containing diluted bitumen and solvent, solvates a portion of the bitumen contained in the bitumen froth and precipitates a portion of the contained asphaltenes.
4.WO/2001/012288NICKEL RECOVERY PROCESS AND COMPOSITIONS FOR USE THEREIN
WO - 22.02.2001
Int.Class C22B 3/30
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
3Extraction of metal compounds from ores or concentrates by wet processes
20Treatment or purification of solutions, e.g. obtained by leaching
26by liquid-liquid extraction using organic compounds
30Oximes
 Appl.No PCT/US2000/021740 Applicant COGNIS CORPORATION Inventor VIRNIG, Michael, J.
A process for the recovery of nickel from a nickel containing orein which the ore, particularly a laterite ore, is initially leached with an aqueous acid solution, after which the nickel is precipitated as nickel hydroxide by adding a hydroxide to the aqueous acid leach solution containing the nickel, followed by a re-leaching of the nickel with an aqueous ammoniacal solution and recovery of the nickel by a solvent extraction of the nickel from the aqueous ammoniacal solution with an organic phase of a water insoluble oxime extractant comprising a ketoxime containing less than 10 % phenols dissolved in a water-immiscible hydrocarbon solvent and the nickel recovered by electrowinning the nickel from the aqueous acid stripping solution employed to strip the nickel from the organic phase.
5.WO/1999/043619METHOD FOR TREATING WASTE WATER FROM GOLD MINES IN ORDER TO OBTAIN DRINKING WATER
WO - 02.09.1999
Int.Class C02F 1/52
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
52by flocculation or precipitation of suspended impurities
 Appl.No PCT/DE1998/000591 Applicant KLEIN-SCHELL, Hans-Peter Inventor KLEIN-SCHELL, Hans-Peter
The invention relates to a method for treating waste water from gold mines in order to obtain drinking water. The raw water is treated in such a way that raw materials can be recovered for technical use and the cleaned water is suitable for drinking. Most importantly, barium is used to precipitate the sulphate and the barium compounds are circulated. The method comprises the following steps: 1. precipitation of iron and manganese through the introduction of air and/or by raising the pH; 2. precipitation of the lime by adjusting the pH and or the carbonic acid balance; 3. removal of the sulphate with barium (barium sulphide/sulphate process or barium sulphate process) and re-treatment; and 4. purification (adsorption) of the residual substances.
6.WO/1989/004211RICE PRESS ROLLERS
WO - 18.05.1989
Int.Class B02B 3/04
BPERFORMING OPERATIONS; TRANSPORTING
02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
3Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
04by means of rollers
 Appl.No PCT/US1988/003981 Applicant COLLINS, Michael Inventor COLLINS, Michael
In a rice pressing apparatus having mating rollers mounted in parallel at a specific gap, each roller comprising a slightly tapered metal hub (1) of aluminum or an aluminum-zinc alloy, a removable rubber sleeve (27) and retaining caps (21, 23) at each end to maintain proper alignment of parts. The hub includes external splines (7) which dovetail with internal splines (31) of the rubber sleeve (27).
7.WO/2000/029507EXTRACTION OF BITUMEN FROM BITUMEN FROTH AND BIOTREATMENT OF BITUMEN FROTH TAILINGS GENERATED FROM TAR SANDS
WO - 25.05.2000
Int.Class C10G 1/04
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
1Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
04by extraction
 Appl.No PCT/US1999/019816 Applicant BHP MINERALS INTERNATIONAL INC. Inventor DUYVESTEYN, Willem, P.C.
A process for the extraction of bitumen from bitumen froth generated from tar sands is disclosed. In this process, bitumen froth (9) is extracted from tar sands using a water process without requiring the use of caustic soda. The froth is treated in a counter-current decantation circuit with a paraffinic solvent to remove precipitated asphaltenes, water, and solids from the bitumen froth. A dilute bitumen product is produced having a final water and solids contents of about 0.01 to about 1 % by weight (32). This renders the dilute bitumen product amenable to direct hydrocracking. The process advantageously avoids the production of tailings sludges caused by clay dispersions. The present invention also includes a novel process for the biotreatment of bitumen froth tailings (47-52) resulting in a reduced amount of waste products and byproducts.
8.WO/1997/014196GROUNDING ELECTRODE
WO - 17.04.1997
Int.Class C23F 13/08
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES; INHIBITING CORROSION OF METALLIC MATERIAL; INHIBITING INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25247
13Inhibiting corrosion of metals by anodic or cathodic protection
02cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
06Constructional parts, or assemblies of cathodic-protection apparatus
08Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
 Appl.No PCT/GB1996/002302 Applicant N.V. RAYCHEM S.A. Inventor PIERRE, Christian, Julien, Henry, Yves
An elongate conductive member, preferably suitable as a grounding electrode, and comprising (a) an elongate core comprising a material, (b) a conductive polymeric element that surrounds, and is in electrical contact with the core, (c) a jacket that surrounds the conductive polymeric element and is spaced therefrom, and (d) a carbon rich material between the jacket and the conductive polymeric element.
9.WO/1983/003951EXTRACTION OF INSECTICIDES FROM PLANTS
WO - 24.11.1983
Int.Class A01N 65/08
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF ; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES ; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
65Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
08Magnoliopsida
 Appl.No PCT/FR1983/000079 Applicant SAPHYR S.A.R.L. Inventor GRINDA, Françoise
Extraction of insecticide from plants, by means of an organic solvent boiling at a temperature exceeding 100oC. The solvent is comprised of an aliphatic acid ester from C6 to C30 and preferably from C8 to C20.
10.WO/1986/001106LIQUID QUININE FORMIATE COMPOSITION
WO - 27.02.1986
Int.Class A61K 31/49
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
31Medicinal preparations containing organic active ingredients
33Heterocyclic compounds
395having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
435having six-membered rings with one nitrogen as the only ring hetero atom
47Quinolines; Isoquinolines
49Cinchonan derivatives, e.g. quinine
 Appl.No PCT/FR1985/000210 Applicant LABORATOIRE VAILLANT DEFRESNE Inventor VERSINI, François
New liquid composition of quinine formiate. Said composition is characterized in that it contains with respect to the quinine present in the composition between 30 and 100% of an acid-alcohol. Application: antimalaria.
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