Classifications

• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
  • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/46—Compounds containing quaternary nitrogen atoms
  • D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
  • D04H3/005—Synthetic yarns or filaments
  • D04H3/007—Addition polymers
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
  • D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
  • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
  • D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
  • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
  • D06M13/295—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof containing polyglycol moieties; containing neopentyl moieties
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/53—Polyethers
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
  • D06M2101/16—Synthetic fibres, other than mineral fibres
  • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
  • D06M2200/10—Repellency against liquids
  • D06M2200/11—Oleophobic properties

Definitions

• the present invention relates to compositions, preferably in the form of spin finishes, for polyolefin fibers or filaments imparting to these basically hydrophobic fibers permanently hydrophilic properties, as well as to fibers and filaments finished with these compositions, and to textile fabrics made thereof, in particular nonwoven fabrics.
• Hydrophilic nonwoven fabrics are used as covering fibrous webs, i.e. as the top layer or as an intermediate layer in multi-layer fibrous webs, for hygiene products such as baby diapers, sanitary napkins, incontinence products and similar products. It is the task of such nonwovens to quickly pass body fluids such as urine to the underlying absorption layer.
• a preparation for permanent hydrophilization is supposed to adhere to the polyolefin as long as possible and impart to the nonwoven fabric a consistent hydrophilicity over a long time.
• nonwoven fabrics are made of filaments and/or fibers, with random-laid fiber nonwovens bonded by either physical methods such as needling or by chemical means.
• a hydrophilizing fiber preparation must additionally meet further requirements.
• the preparation must permit fiber production and processing and also impart to the fibers and filaments optimum sliding properties and cohesion, and provide them with a sufficient antistatic finish.
• U.S. Pat. No. 4,988,449 describes hydrophilizing compositions that contain diethanol amides such as non-ionic surfactants, alkyl phosphates, quaternary ammonium salts and/or alkyl imidazolium salts and are used as agents imparting fluid permeability to polyolefin nonwovens.
• diethanol amides such as non-ionic surfactants, alkyl phosphates, quaternary ammonium salts and/or alkyl imidazolium salts and are used as agents imparting fluid permeability to polyolefin nonwovens.
• hydrophilizing compositions that contain polyoxyalkylene-modified polydimethylsiloxanes alone or in combination with non-ionic surfactants, alkyl phosphates, quaternary ammonium salts and/or alkyl imidazolium salts.
• EP 410 485 B1 discloses a method for hydrophilizing polyolefin fiber nonwovens by applying to the surface of the fibers an aqueous mixture of alkoxylated surfactants, wherein the composition consists either of at least 80% alkoxylated triglycerides of C 18 fatty acids, with these triglycerides containing a large proportion of alkoxylated ricinolein or alkoxylated and hydrogenated ricinolein, or of at least 80% of a mixture of alkoxylated or alkoxylated and hydrogenated ricinolein, a polyalkylene-modified water-soluble polydimethylsiloxane and an antistatic compound, the latter being for example a neutralized phosphoric acid ester, an alkoxylated phosphate, potassium salt, ammonium salt or an alkyoxylated ammonium salt.
• hydrophilizing compositions that contain non-ionic surfactants in combination with a polyoxyalkylene-modified polydimethylsiloxane and/or a quaternary ammonium compound.
• EP 1 600 532 B1 describes hydrophilizing compositions comprising an alkoxylated glycerol esterified with a fatty acid and an alkoxylated or alkoxylated and hydrogenated ricinolein esterified with a fatty acid.
• compositions hydrophilically finishing fibers and nonwoven fabrics that are resistant to migration of constituents in the preparation, whether dry and/or wet, to adjacent hydrophobic areas of the nonwoven.
• this object is solved by a composition for permanently hydrophilizing polyolefin fibers and filaments and textile fabrics made thereof such as nonwoven fabrics and other nonwoven textile products according to claim 1 .
• composition for permanently hydrophilizing polyolefin fibers and filaments and textile fabrics made thereof comprises:
• R 1 is an alkyl group having 1 to 22 C atoms or an alkenyl group having 2 to 22 C atoms,
• R 2 and R 3 independently represent an alkyl group having 1 to 22 C atoms, hydroxyethyl or a polyglycol radical,
• Y ⁇ is one of the anions CH 3 OSO 3 ⁇ , C 2 H S OSO 3 ⁇ , CH 3 COO ⁇ , Cl ⁇ , phosphate, lactate, citrate, and
• n and n independently represent an integer from 1 to 6;
• R 4 , R 5 and R 6 independently represent
• a neutralizing agent for the phosphoric acid ester all suitable bases such as LiOH, NaOH, KOH, NH 3 , mono-, di- or triethanolamine can be used.
• composition according to the present invention has excellent permanently hydrophilizing properties, an excellent transit capacity and a good resistance to migration of the constituents in the preparation to adjacent hydrophobic areas of the nonwoven fabric.
• these compositions can be used particularly well as fiber preparations for the permanent hydrophilic finishing of polyolefin fibers, polyolefin filaments and nonwoven textile products made thereof, in particular nonwoven fabrics.
• the non-ionic surfactant in component (A) of the composition according to the present invention is preferably selected from the group of fatty alcohol alkoxylates having 6 to 18 C atoms in the hydrocarbon chain. Particularly preferred are fatty alcohol alkoxylates having 8 to 16 C atoms in the hydrocarbon chain.
• the fatty alcohol alkoxylates can have a hydroxyl or an alkyl or alkenyl ether group as a terminal group. Particularly preferred are hydroxyl group-terminated fatty alcohol alkoxylates.
• the number of alkoxy groups in the non-ionic surfactant of component (A) is preferably 1 to 10, more preferably 2 to 8 and particularly preferably 2 to 6.
• the alkoxy groups are preferably ethyl(ene)oxy (EO) and/or propyl(ene)oxy (PO) groups, particularly preferably EO groups.
• the radicals R 1 to R 3 in formula (I) are preferably alkyl groups as derived from vegetable oils and oil blends. It is particularly preferred that the radicals R 1 , R 2 , and R 3 are derived from vegetable oils with a high proportion of saturated fatty acids, in particular palm oil or palm kernel oil.
• the quaternary ammonium compounds are present as a solid at room temperature.
• the quaternary ammonium compounds have a melting point of 25 to 80° C., particularly preferably a melting point of 30 to 50° C.
• At least one of the radicals R 4 , R 5 and R 6 in formula (II) of the neutralized phosphoric acid ester of component (C) is preferably an alkoxylated alkyl or alkenyl group having 6 to 18 C atoms in the hydrocarbon chain and 1 to 6 alkoxy groups, particularly preferably an alkoxylated alkyl or alkenyl group having 10 to 18 C atoms in the hydrocarbon chain and 1 to 4 alkoxy groups.
• the alkoxy groups are preferably ethyl(ene)oxy (EO) and/or propyl(ene)oxy (PO) groups, particularly preferably EO groups.
• At least one of the radicals R 4 , R 5 and R 6 in formula (II) is an alkyl group or an alkenyl group having 6 to 18 C atoms, particularly preferably having 10 to 18 C atoms.
• composition according to the present invention can optionally contain further additives from the group of cohesion agents, lubricants, corrosion inhibitors and emulsifiers as component (D).
• the composition according to the present invention consists of components (A), (B) and (C) as well as optionally one or more of the additives according to component (D).
• component (A) is present in a proportion of 20 to 35% by weight
• component (B) is present in a proportion of 20 to 35% by weight
• component (C) is present in a proportion of 35 to 45% by weight, each based on the total weight of components (A), (B) and (C).
• component (D) can be added to both the composition according to the present invention comprising components (A), (B) and (C) and the application liquor.
• a castor oil alkoxylate for example Emulsogen EL 360 from Clariant, or a castor oil alkoxylate having up to 10 ethoxy and up to 3 propoxy units is used as a cohesion agent.
• the proportion of the cohesion agent in the composition according to the present invention is preferably 1 to 10% by weight, based on the total weight of the composition.
• the cohesion agent is added subsequently to the application liquor.
• the lubricant is a fatty acid ethoxylate, particularly preferably a coconut fatty acid alkyoxylate such as Genagen C100 from Clariant, a coconut fatty acid having up to 10 ethoxy units or a coconut fatty acid having up to 10 ethoxy and 3 propoxy units.
• the proportion of the lubricant in the composition according to the present invention is preferably 1 to 10% by weight, based on the total weight of the composition.
• the lubricant is added subsequently to the application liquor.
• a fatty acid amine derivative is used as a corrosion inhibitor for the protection of the metal parts of the spinning machines and the other processing machines, e.g. of the card.
• the corrosion inhibitor is an oleyl sarkosinate.
• the proportion of the corrosion inhibitor in the composition according to the present invention is preferably 0 to 2% by weight, based on the total weight of the composition.
• the corrosion inhibitor is added subsequently to the application liquor.
• a fatty acid ethoxylate is again preferably used, particularly preferably a coconut fatty acid alkyoxylate such as Genagen C100 from Clariant, a coconut fatty acid having up to 10 ethoxy units or a coconut fatty acid having up to 10 ethoxy and 3 propoxy units.
• the proportion of the emulsifier in the composition according to the present invention is preferably 1 to 50% by weight, based on the total weight of the composition.
• the composition according to the present invention is present in the form of an aqueous dispersion or paste whose drying residue at 105° C. is between 5 and 95% by weight.
• composition according to the present invention is preferably used as a fiber preparation for permanently hydrophilizing polyolefin fibers or polyolefin filaments or as an agent for the permanent hydrophilic finishing of nonwoven textile products made of polyolefin fibers or polyolefin filaments.
• polystyrene resin ethylene- or propylene-based homo- or copolymers can be used.
• polystyrene resins examples include polyethylenes such as HDPE (high-density polyethylene), LDPE (low-density polyethylene), VLDPE (very low-density polyethylene), LLDPE (linear low-density polyethylene), MDPE (medium-density polyethylene), UHMPE (ultra-high molecular polyethylene), VPE (cross-linked polyethylene), HPPE (high-pressure polyethylene); polypropylenes such as isotactic polypropylene, syndiotactic polypropylene, metallocene-catalyzed polypropylene, impact strength-modified polypropylene; ethylene- and propylene-based random copolymers, ethylene- and propylene-based block copolymers; EPM (poly[ethylene-co-propylene]); EPDM (poly[ethylene-co-propylene-co-conjugated diene]).
• HDPE high-density polyethylene
• LDPE low-density
• polystyrene polystyrene
• examples of such polymers are poly(ethylene-co-ethyl acrylate), poly(ethylene-co-vinyl acetate), poly(ethylene-co-vinyl chloride) and poly(styrene-co-acrylonitrile).
• Graft copolymers such as polymer blends, i.e. mixtures of polymers which contain, inter alia, the above-mentioned polymers, for example polyethylene- and polypropylene-based polymer blends, are also suitable.
• bi-component fibers with a core/shell structure such as PE/PP and PP/PET biopolymers can be used.
• composition according to the present invention can be applied to the fibers, filaments or nonwoven textile products in the form of an aqueous emulsion or in the form of an aqueous dispersion, preferably in an amount of 0.1 to 2%, based on the dry weight of the respective product (fiber, filament, nonwoven fabric).
• the composition is applied by means of metering pins, kiss rollers, dip baths or by spraying. Any viscosity desired for the respective application form can be adjusted by diluting the composition with water.
• polyolefin fibers and filaments that are permanently hydrophilically finished or treated with the composition according to the present invention are also an object of the invention.
• the invention relates to a double finish and treatment of the polyolefin fibers/filaments and nonwoven textile products in which the composition according to the present invention initially provides the fibers or filaments and subsequently the entire nonwoven textile or fabric made thereof with a permanently hydrophilic finish.
• nonwoven fabrics finished according to the present invention are non-bonded random-laid fiber nonwovens or chemically or physically bonded, e.g. needled or heat-set nonwovens.
• dkpalmcarboxyethylyhydroxyethyl-methylammonium-methosulfate quaternary ammonium compound derived from palm fatty acid; melting point: 35° C.
• Components A, B and C were thoroughly mixed, homogenized and optionally neutralized.
• the composition obtained this way was diluted with distilled or demineralized water, forming a dispersion containing 5% by weight of the composition.
• Components A, B and C were thoroughly mixed, homogenized and optionally neutralized.
• the composition obtained this way was diluted with distilled or demineralized water, forming a dispersion containing 5% by weight of the composition.
• Components A, B and C were thoroughly mixed, homogenized and optionally neutralized.
• the composition obtained this way was diluted with distilled or demineralized water, forming a dispersion containing 5% by weight of the composition.
• di-(oleylcarboxyethyl)-hydroxyethyl-methylammonium-methosulfate (quaternary ammonium compound; melting point: ⁇ 20° C.)
• Components A, B and C were thoroughly mixed, homogenized and optionally neutralized.
• the composition obtained this way was diluted with distilled or demineralized water, forming a dispersion containing 5% by weight of the composition.
• Components A, B and C were thoroughly mixed, homogenized and optionally neutralized.
• the composition obtained this way was diluted with distilled or demineralized water, forming a dispersion containing 5% by weight of the composition.
• a fiber preparation according to the compositions described in U.S. Pat. No. 4,988,449 was made comprising an alkyl diethanolamide, a salt of an acidic alkyl phosphoric acid ester, a non-ionic surfactant and a quaternary modified polydimethylsiloxane.
• compositions according to Examples 1 and 2 and Comparative examples 1 to 6 were used as a fiber preparation for the permanent hydrophilic finishing of a polypropylene (PP) spunbond nonwoven with an area density of 15 g/m 2 .
• the time required for 5 ml of a synthetic urine solution to penetrate a prepared nonwoven fabric and enter the underlying absorption layer made of filter paper is measured.
• the hydrophilic finish provided is washed out or indeed imparts permanent hydrophilicity
• five successive measurements are made on the same fabric, with the absorbent filter paper renewed each time. The five measured values are given in seconds.
• the amount (in grams) of fluid flowing back into an overlying dry filter paper when a 4 kg load is placed on a soaked fabric is measured.
• a PP spunbond nonwoven is placed with an inclination of 45° on a filter paper serving as an absorption layer.
• the run length necessary to completely pass a defined amount of a synthetic urine solution through the fabric into the underlying absorption layer is determined.
• a maximum run length of 30 mm is allowed.
• test field counts as passed if the amount of fluid has been absorbed by the underlying absorption layer within two seconds. To obtain a statement on the permanence of a fiber preparation, the test is repeated each time after a waiting time of 3 minutes without exchanging the absorption layer. The test result indicates the number of test fields passed.
• hydrophilic and hydrophobic layers are alternately stacked and stored for 48 hours under pressure (bearing load of 10 kg) at an elevated temperature of 60° C.
• the hydrophobic layers of nonwoven fabric are placed in a solution of synthetic urine, and the wetting of the layers is assessed. Ideally, there is no wetting of the hydrophobic nonwoven fabric. Assessment is based on the following criteria:
• Grade 2 max. 5 wetting sites with a diameter of ⁇ 2 mm visible
• Grade 4 more than 15 wetting sites with a diameter of ⁇ 2 mm visible, or wetting sites with a diameter of >2 mm visible
• the detachment of a fiber preparation and its transfer from hydrophilic to hydrophobic areas in contact with a fluid are tested.
• a hydrophilic piece of nonwoven fabric finished with a fiber preparation is placed in a Petri dish containing synthetic urine, and a hydrophobic piece of nonwoven fabric is laid on top. After 30 seconds wetting of the hydrophobic piece of nonwoven fabric is assessed. Ideally, the hydrophobic nonwoven fabric is not hydrophilized. Assessment is made by specifying the wetted surface in percent.
• Examples 1 and 2 according to the present invention containing a non-ionic surfactant together with a quaternary ammonium compound and a neutralized phosphoric acid ester mixture meet the requirements for quickly and permanently hydrophilizing the polyolefin nonwoven fabric without migration.
• Comparative examples 1 to 3 and the commercially available comparative examples 4 to 6 fail to meet at least one of the desired requirements.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Nonwoven Fabrics (AREA)
• Absorbent Articles And Supports Therefor (AREA)

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• 2012
  • 2012-11-06 DE DE102012021742.0A patent/DE102012021742A1/de not_active Withdrawn
• 2013
  • 2013-10-30 DK DK13786214.0T patent/DK2917398T3/en active
  • 2013-10-30 WO PCT/EP2013/072678 patent/WO2014072210A1/de active Application Filing
  • 2013-10-30 KR KR1020157013146A patent/KR102106115B1/ko active IP Right Grant
  • 2013-10-30 US US14/439,280 patent/US20150292144A1/en not_active Abandoned
  • 2013-10-30 JP JP2015540107A patent/JP6241829B2/ja not_active Expired - Fee Related
  • 2013-10-30 CN CN201380058160.5A patent/CN104903509B/zh not_active Expired - Fee Related
  • 2013-10-30 MY MYPI2015701324A patent/MY185896A/en unknown
  • 2013-10-30 EP EP13786214.0A patent/EP2917398B1/de not_active Not-in-force
  • 2013-10-30 ES ES13786214.0T patent/ES2613880T3/es active Active
• 2015
  • 2015-05-05 SA SA515360388A patent/SA515360388B1/ar unknown
  • 2015-05-06 IL IL238665A patent/IL238665B/en active IP Right Grant

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