GB2481641A - Methods of producing wood-based firelighter chips - Google Patents
Methods of producing wood-based firelighter chips Download PDFInfo
- Publication number
- GB2481641A GB2481641A GB1011147.4A GB201011147A GB2481641A GB 2481641 A GB2481641 A GB 2481641A GB 201011147 A GB201011147 A GB 201011147A GB 2481641 A GB2481641 A GB 2481641A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wood
- chip
- wax
- firelighter
- chips
- 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.)
- Withdrawn
Links
- 239000002023 wood Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000010875 treated wood Substances 0.000 claims abstract description 5
- 239000001993 wax Substances 0.000 claims description 45
- 238000007373 indentation Methods 0.000 claims description 9
- 239000003205 fragrance Substances 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 5
- 238000007605 air drying Methods 0.000 claims description 3
- 235000013871 bee wax Nutrition 0.000 claims description 3
- 239000012166 beeswax Substances 0.000 claims description 3
- 239000012180 soy wax Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 101150076749 C10L gene Proteins 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000012188 paraffin wax Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000001535 kindling effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 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
- C10L11/00—Manufacture of firelighters
- C10L11/04—Manufacture of firelighters consisting of combustible material
-
- 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
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/442—Wood or forestry waste
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
A wood based firelighter chip is imbued in a wax based substance. The method of producing wood based firelighter chips comprises the steps of chipping pieces of wood into wood chips; drying said wood chips; providing molten wax; treating said wood chips with molten wax; and drying said treated wood chips.
Description
METHODS OF PRODUCING WOOD-BASED FIRELIGHTER CHIPS AND/OR WOOD-BASED
FIRELIGHTER CHIPS
Field of the Invention
The invention relates to methods of producing wood-based firelighter chips and/or firelighter chips.
Background to the Invention
Paraffin based cubes are a common form of firelighters. These are often placed among the coals of a barbeque and since they are readily flammable, they provide a sufficiently long-lasting flame to ignite the coals. In this context, kindling and paraffin cubes are also often used; whereby the kindling acts as a primer and paraffin as the source of ignition. Igniting a fire based on paraffin cubes therefore primarily requires the combustion of a hydrocarbon with combustion products which are particularly detrimental to the environment and may actually be particularly unpleasant to the using public. There is therefore a real need to propose an alternative to these paraffin based cubes which does not suffer from these drawbacks whilst retaining efficient ignition properties when lighting a fire as ithe using public has now come to expect. The invention seeks to address these problems and any other problems which can be readily derived from the description which now follows.
Summary of the Invention
In a first broad independent aspect, the invention provides a method of producing wood-based fire lighting chips comprising the steps of: * Chipping pieces of wood into wood chips; * Drying said wood chips; * Providing molten wax; * Treating said wood chips with molten wax; and * Drying said treated wood chips.
The combination of chipping wood chips and treating the wood chips with molten wax is particularly advantageous because it produces wood chips which have both natural relief and indentations which result from the chipping which are particularly suited for the deposition and absorption of molten wax. It is therefore not simply a coating of wax but at specific regions of the chip, molten wax can be found to have been retained within the wood external envelope. This produces a treated wood chip which has both natural wood burning properties and the requisite rapid ignition properties expected from the modern fire lighter. The steps of drying the wood chips also contribute to advantageous ignition properties. Furthermore, the step of drying the treated wood chips is particularly advantageous since it allows a plurality of wood chips to be sold in contact with one another in a bag and/or a box of any suitable shape and configuration. There is therefore an additional advantage in terms of reducing the packaging required which often usually
surrounds prior art cubes.
In a subsidiary aspect, said step of treating said wood chips comprises a step of dipping said wood chips into molten wax. This step is particularly advantageous since it lends itself to advantageous absorption and retention of molten wax on the chip.
In a further subsidiary aspect, said step of treating said wood chips comprises a step of spraying said wood chips with said molten wax. This configuration is also particularly advantageous because it allows the process to be scaled up for high volume production as individual wood chips may be placed on a conveyor belt or the like and displaced under a spraying nozzle.
In a further subsidiary aspect, said step of drying said wood chips comprises an air drying step. This provides an advantageous approach which doesn't consume any fossil fuels if in a preferred embodiment there is no pumped air.
In a further subsidiary aspect, the method comprises the step of providing a mixture of molten wax and scented oil.
In a second broad independent aspect, the invention provides a wood based firelighter chip imbued in a wax based substance. This configuration is particularly advantageous because it provides a particularly flammable yet natural looking product by contrast to prior art paraffin cubes. It also avoids having to produce separate kindling and sources of ignition as in the prior art. The inventive chip is also particularly straightforward to handle. In particular, each chip in certain embodiments may be particularly thin and wide in order to offer greater ignition properties due to their inherent aspect ratios.
In a further subsidiary aspect, said substance incorporates a beeswax. This configuration is particularly advantageous in terms of retention of the wax on the surface of the chip. It also offers natural properties. The products of the combustion of such a chip may be more environmentally friendly than the prior art options.
In a further subsidiary aspect, said substance incorporates a soy wax. This is also particularly advantageous in terms of the natural compatibility between this kind of wax and wood, whilst at the same time offering a particularly environmentally friendly solution.
In a further subsidiary aspect, said wax based substance is of more than 90% wax and less than 10% fragrance.
In a further subsidiary aspect, said chip has a moisture content of less than 20%. This provides long lasting adhesion of the wax onto the chip compared to any higher moisture content.
In a further subsidiary aspect, said chip has a moisture content of less than 10%. This configuration is particularly advantageous in terms of adhesion of the wax as well as particularly enhancing the combustion properties of the chip.
In a further subsidiary aspect, said chip incorporates indentations in addition to any natural relief; whereby both said additional indentations and said natural indentations are filled with said wax based substance. This configuration particularly enhances the combustion properties of the chip, allowing it to be ideally suited to lighting fires.
Brief Description of the Figures
Figure 1 shows a perspective view of a wood based firelighter chip which is covered by a wax based substance.
Figure 2 shows a perspective view of a wood based firelighter chip with both natural relief and additional indentations.
Detailed Description of the Figures
Figure 1 shows a wood based firelighter chip imbued in a wax based substance. The wax based substance acts as a film which at least partially covers, if not entirely covers, the chip. The natural wood based chip incorporates a number of peaks and troughs. For example, peak 2 is shown in Figure 1. The wood may be of a low grade timber which may incorporate a number of splits along grain boundaries such as grain boundary 3. A recessed portion is in effect provided in order to receive wax. In this manner, the wax penetrates within the external envelope 4 of the chip. The wood based firelighter chip may be covered on its upper face only or if necessary covered on every face of the chip. As shown in Figure 1, the wood based firelighter chip is relatively thin compared to its width and depth. In a potential embodiment, the width of the chip is at least three times the thickness of the chip in order to provide a greater potential wax covered surface.
Figure 2 shows an alternative embodiment of a wood based firelighter chip which is of similar configuration as the chip of Figure 1. However, in addition to the natural relief of the chip a number of machine-formed lines 6 and 7 are provided. These lines form a trough which may be ideally filled by wax in order to allow the chip to hold a greater quantity of wax than would otherwise be possible, relying solely on the natural configuration of the chip. The invention also envisages indentations in the form of hemispherical recesses which may be formed in the chip during the chipping process.
The process of manufacture may follow the following steps: 1) Selecting a form of low grade timber; 2) Chipping said low grade timber pieces in order to obtain chips; 3) Air drying the chips; 4) Dipping the chips in a bath of molten wax; 5) Drying the imbued chips; 6) Placing the dried chips in a form of collective packaging, which may take the form of a cardboard box.
A basket may be used in combination with the bath to assist in the dipping process. The basket may incorporate a closed lid in order to retain the chips within the basket.
Advantageously, the chips are dried in order to reduce the moisture content to below 20%.
In a further preferred embodiment, the drying process is pursued until a moisture content of less than 10% is achieved.
Instead of dipping the chips into wax, molten wax may be sprayed onto the chips whilst placed on a displaceable conveyor.
Another advantageous option would be to employ a conveyor belt which is configured to allow draining through the belt. This arrangement may be provided by an upper and a lower conveyor which may take the form of a grid with passages to allow the flow of molten wax. Thereby, the conveyor may be used to convey the wood chips through the molten wax.
Another advantageous option would be to employ a first succession of fingers or guides to convey the chips into a bath of wax and a second succession of fingers or guides to collect the chips from the bath of wax. The first succession of fingers may be provided at a relatively low point of the bath whilst the second succession of fingers may be provided at a relatively high point of the bath.
The wax based substance is preferably selected from the group comprising: beeswax, a natural oil wax, a natural resin, and a natural soy wax.
The wax based substance may comprise less than 10% fragrance in a preferred embodiment. The fragrance may be lower than 6%. Particular kinds of fragrances are envisaged for particular uses of the firelighter chips. For example, a so-called festive fragrance may be incorporated which may have a pine based smell. Other fragrances may be meat-based or herb-based. Any of these fragrances is covered within the scope of the claims that follow.
Claims (14)
- CLAIMS1. A method of producing wood based firelighter chips comprising the steps of: * chipping pieces of wood into wood chips; * drying said wood chips; * providing molten wax; * treating said wood chips with molten wax; and * drying said treated wood chips.
- 2. A method according to claim 1, wherein said step of treating said wood chips comprises a step of dipping said wood chips into molten wax.
- 3. A method according to either claim 1 or claim 2, wherein said step of treating said wood chips comprises a step of spraying said wood chips with molten wax.
- 4. A method according to any of preceding claims, wherein said step of drying said wood chips comprises an air drying step.
- 5. A method according to any of the preceding claims, comprising the step of providing a mixture of molten wax and scented oil.
- 6. A method of producing a wood based firelighter substantially as hereinbefore described and/or illustrated in any appropriate combination of the accompanying text and/or figures.
- 7. A wood based firelighter chip imbued in a wax based substance.
- 8. A wood based firelighter chip according to claim 7, wherein said substance incorporates beeswax.
- 9. A wood based firelighter chip according to either claim 7 or claim 8, wherein said substance incorporates a soy wax.
- 10. A wood based firelighter chip according to any of claims 7 to 9, wherein said wax based substance is of more than 90% wax and less than 10% fragrance.
- 11. A wood based firelighter chip according to any of claims 7 to 10, wherein said chip has a moisture content of less than 20%.
- 12. A wood based firelighter chip according to any of claims 7 to 11, wherein said chip has a moisture content of less than 10%.
- 13. A wood based firelighter chip according to any of claims 7 to 12, wherein said chip incorporates indentations in addition to any natural relief; whereby both said additional indentations and said natural indentations are filled with said wax based substance.
- 14. A wood based firelighter chip substantially as hereinbefore described and/or illustrated in any appropriate combination of the accompanying text and/or figures.*.:r: INTELLECTUAL . ... PROPERTY OFFICE 9 Application No: GB 1011147.4 Examiner: Mr Martin Price Claims searched: 1-14 Date of search: 1 November 2010 Patents Act 1977: Search Report under Section 17 Documents considered to be relevant: Category Relevant Identity of document and passage or figure of particular relevance to claims X 1-14 US6093224A Jones -the whole document X 1-14 EP2226378A1 Standards Brands -the whole document X 1-14 GB2351295A Swedish Match -the whole document X 1-14 GB2206604A Timmons -the whole document X 1-14 US 2002/0189159 Al Sprules -the whole document X 1-14 FR2718458A1 De Souter -see WPI abstract number 1995-353 190 X 1-14 EP0337872A1 Soc Nat Exploitation -see WPI abstract number 1989-302587 X 1-14 US4725286A Brame -the whole document X 1-14 DE202005004140U1 Stahlberg -see WPI abstract number 2005-446485 X 1-14 DE202004008226U1 Kaarsenfabriek De Toren -see WPI abstract number 2004-572757 Categories: X Document indicating lack of novelty or inventive A Document indicating technological background and/or state step of the art.Y Document indicating lack of inventive step if P Document published on or after the declared priority date but combined with one or more other documents of before the filing date of this invention.Intellectual Property Office is an operating name of the Patent Office www.ipo.gov.uk t::r: INTELLECTUAL . ...* PROPERTY OFFICE 10 same category.& Member of the same patent family E Patent document pubhshed on or after. hut with priority date earlier than, the filing date of this application.Field of Search:Search of GB, EP, WO & US patent documents classified in the following areas of the UKCX: Worldwide search of patent docuiments classified in the following areas of the IPC JC10L The following online and other databases have been rised in the preparation of this search report EPODOC, WPI International Classification: Subclass Subgroup Valid From C10L 0011/04 01/01/2006 Intellectual Property Office is an operating name of the Patent Office www.ipo.gov.uk
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1011147.4A GB2481641A (en) | 2010-07-02 | 2010-07-02 | Methods of producing wood-based firelighter chips |
| PCT/GB2011/051257 WO2012001430A1 (en) | 2010-07-02 | 2011-07-04 | Methods of producing wood-based firelighter chips and/or wood-based firelighter chips |
| EP11743129.6A EP2588581A1 (en) | 2010-07-02 | 2011-07-04 | Methods of producing wood-based firelighter chips and/or wood-based firelighter chips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1011147.4A GB2481641A (en) | 2010-07-02 | 2010-07-02 | Methods of producing wood-based firelighter chips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB201011147D0 GB201011147D0 (en) | 2010-08-18 |
| GB2481641A true GB2481641A (en) | 2012-01-04 |
Family
ID=42669085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1011147.4A Withdrawn GB2481641A (en) | 2010-07-02 | 2010-07-02 | Methods of producing wood-based firelighter chips |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2588581A1 (en) |
| GB (1) | GB2481641A (en) |
| WO (1) | WO2012001430A1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725286A (en) * | 1986-11-20 | 1988-02-16 | Brame Dorothy H | Firestarter |
| GB2206604A (en) * | 1987-07-07 | 1989-01-11 | Alban Timmons | Firelighters |
| EP0337872A1 (en) * | 1988-04-12 | 1989-10-18 | Societe Nationale D'exploitation Industrielle Des Tabacs Et Allumettes | Fire kindler |
| FR2718458A1 (en) * | 1994-04-06 | 1995-10-13 | De Souter Claudi | Safe, odourless and rapid fire-lighting briquette |
| US6093224A (en) * | 1999-04-26 | 2000-07-25 | Jones; Gary T. | Long burning fire starter |
| GB2351295A (en) * | 1999-06-24 | 2000-12-27 | Swedish Match Uk Ltd | Synthetic fire logs |
| US20020189159A1 (en) * | 2001-03-22 | 2002-12-19 | Sprules Rodney K. | Coffee-sawdust-based solid fuel composition |
| DE202004008226U1 (en) * | 2004-05-18 | 2004-07-15 | Kaarsenfabriek "De Toren" B.V. | Solid fuel product comprising a wax, paraffin wax and/or stearin fuel and a porous carrier, useful for lighting barbecues or as a fireplace or barbecue fuel, includes citronella oil |
| DE202005004140U1 (en) * | 2005-03-12 | 2005-05-19 | Stahlberg, Peter | Fire- or oven-lighting briquette or garden torch, made from wood shavings and small quantity of wood dust, is loosely compressed and includes wax binder and casing |
| EP2226378A1 (en) * | 2009-02-23 | 2010-09-08 | Standards Brands (UK) Limited | Firelighter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147518A (en) * | 1977-03-02 | 1979-04-03 | Pine Rest Christian Rehabilitation Services | Extrusion apparatus for making fire kindling device |
| CA1154594A (en) * | 1981-05-26 | 1983-10-04 | Yvan Robichaud | Manufacture of fire starters |
| US5226405A (en) * | 1992-03-05 | 1993-07-13 | Snow George H | Ignition platform and fuel component for kindling a fire |
| CA2605415A1 (en) * | 2005-04-15 | 2006-10-26 | Eric Dennis Barford | Whole timber firelog impregnated with combustible material |
-
2010
- 2010-07-02 GB GB1011147.4A patent/GB2481641A/en not_active Withdrawn
-
2011
- 2011-07-04 WO PCT/GB2011/051257 patent/WO2012001430A1/en active Application Filing
- 2011-07-04 EP EP11743129.6A patent/EP2588581A1/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725286A (en) * | 1986-11-20 | 1988-02-16 | Brame Dorothy H | Firestarter |
| GB2206604A (en) * | 1987-07-07 | 1989-01-11 | Alban Timmons | Firelighters |
| EP0337872A1 (en) * | 1988-04-12 | 1989-10-18 | Societe Nationale D'exploitation Industrielle Des Tabacs Et Allumettes | Fire kindler |
| FR2718458A1 (en) * | 1994-04-06 | 1995-10-13 | De Souter Claudi | Safe, odourless and rapid fire-lighting briquette |
| US6093224A (en) * | 1999-04-26 | 2000-07-25 | Jones; Gary T. | Long burning fire starter |
| GB2351295A (en) * | 1999-06-24 | 2000-12-27 | Swedish Match Uk Ltd | Synthetic fire logs |
| US20020189159A1 (en) * | 2001-03-22 | 2002-12-19 | Sprules Rodney K. | Coffee-sawdust-based solid fuel composition |
| DE202004008226U1 (en) * | 2004-05-18 | 2004-07-15 | Kaarsenfabriek "De Toren" B.V. | Solid fuel product comprising a wax, paraffin wax and/or stearin fuel and a porous carrier, useful for lighting barbecues or as a fireplace or barbecue fuel, includes citronella oil |
| DE202005004140U1 (en) * | 2005-03-12 | 2005-05-19 | Stahlberg, Peter | Fire- or oven-lighting briquette or garden torch, made from wood shavings and small quantity of wood dust, is loosely compressed and includes wax binder and casing |
| EP2226378A1 (en) * | 2009-02-23 | 2010-09-08 | Standards Brands (UK) Limited | Firelighter |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201011147D0 (en) | 2010-08-18 |
| EP2588581A1 (en) | 2013-05-08 |
| WO2012001430A1 (en) | 2012-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |