WO2014118073A1 - Polysulfide polyols, their production and use in the synthesis of polyurethanes - Google Patents
Polysulfide polyols, their production and use in the synthesis of polyurethanes Download PDFInfo
- Publication number
- WO2014118073A1 WO2014118073A1 PCT/EP2014/051310 EP2014051310W WO2014118073A1 WO 2014118073 A1 WO2014118073 A1 WO 2014118073A1 EP 2014051310 W EP2014051310 W EP 2014051310W WO 2014118073 A1 WO2014118073 A1 WO 2014118073A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sulfur
- production
- polyurethanes
- reaction
- containing polyols
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/22—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of hydropolysulfides or polysulfides
- C07C319/24—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of hydropolysulfides or polysulfides by reactions involving the formation of sulfur-to-sulfur bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- C08G18/3863—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms
- C08G18/3865—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms containing groups having one sulfur atom between two carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- C08G18/3863—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms
- C08G18/3865—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms containing groups having one sulfur atom between two carbon atoms
- C08G18/3868—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms containing groups having one sulfur atom between two carbon atoms the sulfur atom belonging to a sulfide group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0058—≥50 and <150kg/m3
Definitions
- This invention relates to polysulfide polyols, their production and use.
- PU polyurethane
- PU polyurethane
- mineral wool has poor pipe insulation properties.
- PU-based foams show good insulation properties, but they have problems to guarantee a service life of 10 to 30 years at 190 °C and more, as the urethane bond slowly degrades at such temperatures.
- Isocyanurate-modified foams show improved thermal stability, but are still not sufficiently stable and possess poor flow properties in the molds.
- DD 299 187 A5 describes a process for the production of sulfur-containing organo-silicium compounds.
- EP 0 466 066 A1 discloses a process for production of certain oligosulfides, and US 6,21 1 ,345 B1 describes the synthesis of cyclic sulfur silanes.
- the object of the present invention therefore is a process for the production of sulfur-containing polyols by reaction of at least one unsaturated alcohol A with elemental sulfur.
- a mixture of at least two unsaturated alcohols A is used.
- the term "polyol” refers to an organic compound having at least two alcohol groups per molecule.
- the term “unsaturated compound” means an organic compound having at least one unsaturated carbon-carbon bond.
- the sulfur-containing polyol has a viscosity of less than 10 Pa * s at 25 °C, as determined according to DIN (German industry norm) ISO 2555.
- the elemental sulfur may be used in solid or in liquid form.
- the inventive process is performed neat, i. e. no solvent is used in addition to the at least one unsaturated alcohol A and the sulfur.
- at least one solvent it is possible to use at least one solvent.
- the solvent preferably has a boiling point of at least 120 °C; furthermore, the solvent preferably contains no sulfur.
- solvents examples include DMF, xylene and me- sitylene. Also high-boiling alcohols and ethers, for example diglyme, may be used.
- reaction mixture may also be worked up after the end of the reaction by separating off unreacted sulfur. This may be done by mechanical separation, for example by precipitation and filtration.
- the inventors have shown by 1 H-NMR experiments that the reaction runs almost quantitatively, i. e. more than 99 % of the unsaturated alcohols A, based on the double-bond equivalents, are reacted with sulfur.
- inventive products may be used for the production of polyurethanes, in particular rigid foam polyurethanes.
- a further object of the present invention is a process for the production of polyurethanes, in particular rigid foam polyurethanes, by reaction of at least one inventive sulfur-containing polyol with at least one isocyanate, optionally in the presence of a blowing agent.
- Further objects of the present invention is also a process for the production of polyurethanes, in particular rigid foam polyurethanes, by reaction of at least one inventive sulfur-containing polyol with at least one unsaturated polyol and with at least one isocyanate, optionally in the presence of a blowing agent, and a process for the production of polyurethanes, in particular rigid foam polyurethanes, by reaction of at least one inventive sulfur-containing polyol with at least one unsaturated polyol and with at least one isocyanate, in the presence of a vulcanization catalyst and optionally in the presence of a blowing agent.
- Typical vulcanization catalysts also referred to as vulcanization accelerators, are benzothiazols, thiuramdisulfides, dithiocarbamates, guani- dines, thioureas. They are added to the polyol blend in amounts between 0.25 and 5 w% based on the total weight of the polyol blend.
- Typical vulcanization activators are Zinc salts of fatty acids or blends of Zinc oxide and fatty acids. They are added to the polyol blend in amounts between 0.25 and 5 w% based on the total weight of the polyol blend.
- an addi tional step of post-curing is performed.
- inventive products can be used as high-temperature stable PU rigid foams, in particular for pipe insulation.
- Sulfur-containing polyols were synthesized as follows.
- reaction control via 1 H-NMR.
- the reaction mixture was cooled down to ambient temperature, then 200 mL methylene chloride and 200 mL water were added. The mixture was stirred for 15 min, then 2 spoons of celite were added and the mixture was filtered via suction filtration (glass fritt, (Por. 3)). The filtrate was transferred into a separation funnel, the lower organic phase was separated and all volatiles were removed via a rotary evaporator (60 °C bath temperature, 1 mbar) to afford a viscous dark reddish oil with small crystals. In order to remove non reacted sulfur from the mixture, the oil was dissolved in 150 mL MTBE and filtered over celite. The filtrate was collected and all volatiles were removed (70 °C, 0,1 mbar) to afford the product as a dark reddish oil (59 g).
- reaction control via 1 H-NMR After 18 hours quantitative conversion of the alcohol was shown (reaction control via 1 H-NMR). The reaction mixture was cooled down to ambient temperature.
- reaction control via 1 H-NMR After 1 1 hours quantitative conversion of the alcohol was shown (reaction control via 1 H-NMR). The reaction mixture was cooled down to ambient temperature.
- the oil was dissolved in 450 mL MTBE and filtered over celite (3 spoons). The filter cake was washed with THF (3 x 100 mL). The filtrates were combined and all volatiles were removed (70 °C, 0,1 mbar) to afford the product as a dark brown, viscous oil (61 g).
- Tetramethyl thiuram disulfide vulcanization catalyst/ -accelerator
- N/mm 2 0,28 0,36 0,30 0,32 growth after tempering N/mm 2 : -0,03 0,04 0,00 0,03 pressure-E-module fresh foam, N/mm 2 9,00 8,00 7,60 7,70
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG11201505939YA SG11201505939YA (en) | 2013-01-29 | 2014-01-23 | Polysulfide polyols, their production and use in the synthesis of polyurethanes |
EP14701185.2A EP2951151A1 (en) | 2013-01-29 | 2014-01-23 | Polysulfide polyols, their production and use in the synthesis of polyurethanes |
KR1020157023357A KR20150112013A (en) | 2013-01-29 | 2014-01-23 | Polysulfide polyols, their production and use in the synthesis of polyurethanes |
JP2015555654A JP2016505072A (en) | 2013-01-29 | 2014-01-23 | Polysulfide polyol, method for producing and using the same |
CN201480006486.8A CN104968645A (en) | 2013-01-29 | 2014-01-23 | Polysulfide polyols, their production and use in the synthesis of polyurethanes |
RU2015136630A RU2015136630A (en) | 2013-01-29 | 2014-01-23 | POLYSULFIDE POLYOLS, THEIR PRODUCTION AND APPLICATION |
BR112015018009A BR112015018009A2 (en) | 2013-01-29 | 2014-01-23 | process for producing sulfur-containing polyols, sulfur-containing polyols, polymer composition, process for producing polyurethanes and use of a rigid foam polyurethane. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13153080 | 2013-01-29 | ||
EP13153080.0 | 2013-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014118073A1 true WO2014118073A1 (en) | 2014-08-07 |
Family
ID=47628024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/051310 WO2014118073A1 (en) | 2013-01-29 | 2014-01-23 | Polysulfide polyols, their production and use in the synthesis of polyurethanes |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2951151A1 (en) |
JP (1) | JP2016505072A (en) |
KR (1) | KR20150112013A (en) |
CN (1) | CN104968645A (en) |
BR (1) | BR112015018009A2 (en) |
RU (1) | RU2015136630A (en) |
SG (1) | SG11201505939YA (en) |
WO (1) | WO2014118073A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020053587A1 (en) * | 2018-09-12 | 2020-03-19 | The University Of Liverpool | Sulfur-based polymers |
IT201900011121A1 (en) * | 2019-07-08 | 2021-01-08 | Eni Spa | PROCEDURE FOR THE PREPARATION OF COPOLYMERS WITH A HIGH SULFUR CONTENT |
WO2023214184A1 (en) * | 2022-05-06 | 2023-11-09 | The University Of Liverpool | Nanoparticles |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107936217A (en) * | 2017-11-24 | 2018-04-20 | 锦西化工研究院有限公司 | A kind of synthetic method of sulfur-containing polymer polyalcohol |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3499863A (en) | 1963-09-23 | 1970-03-10 | Thiokol Chemical Corp | Air-curable polysulfide-polyurethane sealants |
US4273882A (en) * | 1980-06-02 | 1981-06-16 | Olin Corporation | Preparation of thermally stable rigid polyurethane foam |
EP0201197A1 (en) * | 1985-04-08 | 1986-11-12 | Mobil Oil Corporation | Sulfurized olefins |
EP0466066A1 (en) | 1990-07-13 | 1992-01-15 | Hüls Silicone Gesellschaft mit beschränkter Haftung | Process for the preparation of oligo-(4-(2-organo-organoxy-silylalkyl)cyclohexane-1,2-diyl)bis-oligosulfides |
DD299187A5 (en) | 1990-07-13 | 1992-04-02 | Nuenchritz Chemie | Process for the preparation of sulfur-containing organosilicon compounds |
EP0489313A1 (en) * | 1990-12-04 | 1992-06-10 | Bayer Ag | Rubber vulcanisates with good mechanical properties and with improved hysteresis behaviour |
US5338468A (en) * | 1992-10-05 | 1994-08-16 | Mobil Oil Corporation | Sulfurized olefins |
EP0714970A1 (en) * | 1994-11-28 | 1996-06-05 | Institut Français du Pétrole | Olefinic hydrocarbons sulfurized with elemental sulfur in the presence of alkali on alkaline earth metal hydroxides and glycols, polyglycols or their alkyl ethers and/or water |
US6211345B1 (en) | 1999-12-22 | 2001-04-03 | Witco Corporation | Synthesis of cyclic sulfur silanes |
WO2011008480A1 (en) * | 2009-06-29 | 2011-01-20 | Polymeright, Inc. | Polymer compositions and methods of making and using same |
-
2014
- 2014-01-23 SG SG11201505939YA patent/SG11201505939YA/en unknown
- 2014-01-23 WO PCT/EP2014/051310 patent/WO2014118073A1/en active Application Filing
- 2014-01-23 BR BR112015018009A patent/BR112015018009A2/en not_active IP Right Cessation
- 2014-01-23 EP EP14701185.2A patent/EP2951151A1/en not_active Withdrawn
- 2014-01-23 CN CN201480006486.8A patent/CN104968645A/en active Pending
- 2014-01-23 RU RU2015136630A patent/RU2015136630A/en unknown
- 2014-01-23 JP JP2015555654A patent/JP2016505072A/en active Pending
- 2014-01-23 KR KR1020157023357A patent/KR20150112013A/en not_active Application Discontinuation
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3499863A (en) | 1963-09-23 | 1970-03-10 | Thiokol Chemical Corp | Air-curable polysulfide-polyurethane sealants |
US4273882A (en) * | 1980-06-02 | 1981-06-16 | Olin Corporation | Preparation of thermally stable rigid polyurethane foam |
EP0201197A1 (en) * | 1985-04-08 | 1986-11-12 | Mobil Oil Corporation | Sulfurized olefins |
EP0466066A1 (en) | 1990-07-13 | 1992-01-15 | Hüls Silicone Gesellschaft mit beschränkter Haftung | Process for the preparation of oligo-(4-(2-organo-organoxy-silylalkyl)cyclohexane-1,2-diyl)bis-oligosulfides |
DD299187A5 (en) | 1990-07-13 | 1992-04-02 | Nuenchritz Chemie | Process for the preparation of sulfur-containing organosilicon compounds |
EP0489313A1 (en) * | 1990-12-04 | 1992-06-10 | Bayer Ag | Rubber vulcanisates with good mechanical properties and with improved hysteresis behaviour |
US5338468A (en) * | 1992-10-05 | 1994-08-16 | Mobil Oil Corporation | Sulfurized olefins |
EP0714970A1 (en) * | 1994-11-28 | 1996-06-05 | Institut Français du Pétrole | Olefinic hydrocarbons sulfurized with elemental sulfur in the presence of alkali on alkaline earth metal hydroxides and glycols, polyglycols or their alkyl ethers and/or water |
US6211345B1 (en) | 1999-12-22 | 2001-04-03 | Witco Corporation | Synthesis of cyclic sulfur silanes |
WO2011008480A1 (en) * | 2009-06-29 | 2011-01-20 | Polymeright, Inc. | Polymer compositions and methods of making and using same |
Non-Patent Citations (1)
Title |
---|
F. R6THEMEYER; F. SOMMER: "Kautschuktechnologie", 2001, HANSER VERLAG |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020053587A1 (en) * | 2018-09-12 | 2020-03-19 | The University Of Liverpool | Sulfur-based polymers |
IT201900011121A1 (en) * | 2019-07-08 | 2021-01-08 | Eni Spa | PROCEDURE FOR THE PREPARATION OF COPOLYMERS WITH A HIGH SULFUR CONTENT |
WO2021005511A1 (en) * | 2019-07-08 | 2021-01-14 | Eni S.P.A. | Process for high sulfur content copolymer preparation |
WO2023214184A1 (en) * | 2022-05-06 | 2023-11-09 | The University Of Liverpool | Nanoparticles |
Also Published As
Publication number | Publication date |
---|---|
SG11201505939YA (en) | 2015-09-29 |
EP2951151A1 (en) | 2015-12-09 |
CN104968645A (en) | 2015-10-07 |
RU2015136630A (en) | 2017-03-07 |
KR20150112013A (en) | 2015-10-06 |
JP2016505072A (en) | 2016-02-18 |
BR112015018009A2 (en) | 2017-07-11 |
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