NL166481C - Werkwijze voor de bereiding van een verknoopt elastomeer polyurethaan, en werkwijze voor de bereiding van een daarbij te gebruiken fluorrijke polyether. - Google Patents
Werkwijze voor de bereiding van een verknoopt elastomeer polyurethaan, en werkwijze voor de bereiding van een daarbij te gebruiken fluorrijke polyether.Info
- Publication number
- NL166481C NL166481C NL7002813.A NL7002813A NL166481C NL 166481 C NL166481 C NL 166481C NL 7002813 A NL7002813 A NL 7002813A NL 166481 C NL166481 C NL 166481C
- Authority
- NL
- Netherlands
- Prior art keywords
- preparation
- fluorine
- elastomeric polyurethane
- crosslinked elastomeric
- rich polyether
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
- C07D263/62—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems having two or more ring systems containing condensed 1,3-oxazole rings
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
- C06B45/04—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
- C06B45/06—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component
- C06B45/10—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component the organic component containing a resin
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
- C07D303/18—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
- C07D303/20—Ethers with hydroxy compounds containing no oxirane rings
- C07D303/24—Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds
-
- 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
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5003—Polyethers having heteroatoms other than oxygen having halogens
- C08G18/5015—Polyethers having heteroatoms other than oxygen having halogens having fluorine 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/771—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur oxygen
-
- 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
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/773—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur halogens
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
- C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
- C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M3/00—Liquid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single liquid substances
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/04—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Molecular Biology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polyethers (AREA)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80588569A | 1969-03-10 | 1969-03-10 | |
GB1123270A GB1309401A (en) | 1969-03-10 | 1970-03-09 | Hydroxy-terminated polyperfluoroalkylene oxides and polyurethanes prepared therefrom |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7002813A NL7002813A (nl) | 1970-09-14 |
NL166481B NL166481B (nl) | 1981-03-16 |
NL166481C true NL166481C (nl) | 1981-08-17 |
Family
ID=26248155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7002813.A NL166481C (nl) | 1969-03-10 | 1970-02-27 | Werkwijze voor de bereiding van een verknoopt elastomeer polyurethaan, en werkwijze voor de bereiding van een daarbij te gebruiken fluorrijke polyether. |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE747087A (nl) |
CA (1) | CA960397A (nl) |
DE (1) | DE2011774C3 (nl) |
FR (1) | FR2037807A5 (nl) |
GB (2) | GB1309401A (nl) |
NL (1) | NL166481C (nl) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1207513B (it) * | 1985-12-12 | 1989-05-25 | Montedison Spa | Poliisocianati fluorurati ad elevata funzionalita' e vernici da essi ottenute. |
IT1233442B (it) * | 1987-12-30 | 1992-04-01 | Ausimont Spa | Grassi lubrificanti |
IT1250739B (it) * | 1991-08-02 | 1995-04-21 | Ausimont Spa | Impiego di poliuretani fluorurati per il trattamento di film o fogli di cellulosa, mica, caolino e simili materiali naturali |
IT1252660B (it) * | 1991-12-23 | 1995-06-20 | Ausimont Spa | Poliuretani e poliuretani-uree fluorurati e processi per la loro preparazione |
IT1254631B (it) * | 1992-02-20 | 1995-09-28 | Ausimont Spa | Prepolimeri contenenti una catena perfluoropolieterea e gruppi terminali carbossilici e/o ossidrilici, adatti come agenti reticolanti per prepolimeri epossidici. |
IT1264139B1 (it) * | 1993-04-19 | 1996-09-16 | Ausimont Spa | Polimeri fluorurati contenenti sequenze perfluoropoliossialchileniche ed aventi proprieta' di elastomeri termoplastici |
RU2045544C1 (ru) * | 1994-02-04 | 1995-10-10 | Акционерное общество "Автоконинвест" | Амиды и эфиры перфторполиоксаалкиленсульфо- или перфторполиоксаалкиленкарбоновых кислот и способ их получения |
IT1286027B1 (it) * | 1996-06-10 | 1998-07-07 | Ausimont Spa | Rivestimenti protettivi a base di perfluoropolieteri funzionalizzati |
IT1290462B1 (it) * | 1997-04-08 | 1998-12-03 | Ausimont Spa | Polimeri idrogenati modificati |
IT1317716B1 (it) | 2000-01-04 | 2003-07-15 | Ausimont Spa | Processo per la preparazione di perfluoropoliossialchileni conterminali ossidrilici. |
ITMI20011034A1 (it) | 2001-05-18 | 2002-11-18 | Ausimont Spa | Processo per la preprazione di fluoropoliossoalchileni aventi un terminale -ch 2oh e l'altro terminale contenente cloro |
ITMI20030971A1 (it) | 2003-05-15 | 2004-11-16 | Solvay Solexis Spa | Preparazione di perfluoropolieteri aventi almeno un terminale -ch2oh oppure -ch(cf3)oh. |
CN110857263B (zh) * | 2018-08-23 | 2023-02-03 | 乳源东阳光氟有限公司 | 一种全氟聚醚醇的制备方法 |
-
1970
- 1970-02-27 NL NL7002813.A patent/NL166481C/nl not_active IP Right Cessation
- 1970-03-09 DE DE2011774A patent/DE2011774C3/de not_active Expired
- 1970-03-09 FR FR7008289A patent/FR2037807A5/fr not_active Expired
- 1970-03-09 BE BE747087D patent/BE747087A/xx not_active IP Right Cessation
- 1970-03-09 GB GB1123270A patent/GB1309401A/en not_active Expired
- 1970-03-09 CA CA076,879A patent/CA960397A/en not_active Expired
- 1970-03-09 GB GB4217572A patent/GB1309402A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1309401A (en) | 1973-03-14 |
BE747087A (fr) | 1970-09-09 |
DE2011774B2 (de) | 1980-02-07 |
FR2037807A5 (nl) | 1970-12-31 |
NL7002813A (nl) | 1970-09-14 |
DE2011774C3 (de) | 1980-10-02 |
GB1309402A (en) | 1973-03-14 |
NL166481B (nl) | 1981-03-16 |
CA960397A (en) | 1974-12-31 |
DE2011774A1 (de) | 1970-09-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL167178C (nl) | Werkwijze voor het vervaardigen van opgeschuimde polyurethanvoorwerpen, alsmede met toepassing van deze werkwijze verkregen opgeschuimde voorwerpen. | |
BE785903A (fr) | Dors- en afscheidingsorganen voor maaidorsers van type met axiale doorstroming. | |
NL175801C (nl) | Vormlichaam, alsmede werkwijze en inrichting voor het vervaardigen van een dergelijk vormlichaam. | |
NL7613715A (nl) | Hydrofiele polyurethanen, werkwijze voor het bereiden van dergelijke polyurethanen, alsmede werkwijze voor het bereiden van wasmiddelen met deze polyurethanen. | |
NL164299C (nl) | Werkwijze voor de bereiding van polyurethan- -elastomeren. | |
BE750545A (nl) | Platform voor hangstellingen en dergelijke, | |
NL166481C (nl) | Werkwijze voor de bereiding van een verknoopt elastomeer polyurethaan, en werkwijze voor de bereiding van een daarbij te gebruiken fluorrijke polyether. | |
NL169158C (nl) | Loopvlakring voor een luchtband met een losneembaar loopvlak, alsmede een luchtband met een dergelijke loopvlakring. | |
NL174050B (nl) | Werkwijze voor de bereiding van een slagvast polymeer en gevormde voortbrengselen, vervaardigd onder toepassing van het aldus bereide slagvaste polymeer. | |
NL151799B (nl) | Ondervraag-antwoordstelsel voor verschillende ondervragingscodes. | |
NL142967B (nl) | Werkwijze voor het bereiden van een elastomeersamenstelling. | |
NL164042C (nl) | Werkwijze voor de bereiding van een elastomeer materiaal en gevormde voortbrengselen, vervaardigd onder toepassing van het aldus bereide materiaal. | |
NL7414573A (nl) | Werkwijze en inrichting voor de vloeistof- -vloeistof-tegenstroom-extractie. | |
DK129249B (da) | Elastisk rullering. | |
NL147183B (nl) | Werkwijze voor het bereiden van een contactvet. | |
NL164474C (nl) | Werkwijze voor de bereiding van een bactericide jodium- -preparaat, en van een gebruiksoplossing daaruit. | |
NL181886C (nl) | Verbindingsorgaan voor profielen. | |
NL149436B (nl) | Stapschakelwerk voor een wagen voor schrijfmachines of dergelijke. | |
NL157629B (nl) | Werkwijze voor de bereiding van een elastomeerpreparaat. | |
BE775622A (fr) | Mousses de polyurethanes, a inflammation retardee | |
NL158744B (nl) | Assentelinrichting voor een spoorbaansectie. | |
BE799702A (fr) | Inrichting voor het regelen van de koelinstallatie van een inrichting voor het bereiden en afgeven van revroren, | |
NL160559C (nl) | Werkwijze voor de bereiding van een 3-hydroxy-isoxazool. | |
NL143471B (nl) | Vulcaniseerpers voor een buitenband. | |
ES148056Y (es) | Un dispositivo de rueda directriz para juguete. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Lapsed because of reaching the maximum lifetime of a patent |