BE792535A - Nouveaux composes polymeres et procedes pour leur preparation - Google Patents

Nouveaux composes polymeres et procedes pour leur preparation

Info

Publication number
BE792535A
BE792535A BE792535DA BE792535A BE 792535 A BE792535 A BE 792535A BE 792535D A BE792535D A BE 792535DA BE 792535 A BE792535 A BE 792535A
Authority
BE
Belgium
Prior art keywords
preparation
methods
polymeric compounds
new polymeric
new
Prior art date
Application number
Other languages
English (en)
Inventor
D Malcolm Lewis
Original Assignee
Iws Nominee Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Iws Nominee Co Ltd filed Critical Iws Nominee Co Ltd
Publication of BE792535A publication Critical patent/BE792535A/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • A61K8/463—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
    • 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
    • C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/326—Polymers modified by chemical after-treatment with inorganic compounds containing sulfur
    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/48—Polymers modified by chemical after-treatment
    • 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
    • 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
    • D06M15/59—Polyamides; Polyimides
    • 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
    • D06M15/63—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing sulfur in the main chain, e.g. polysulfones
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
    • D06P1/613—Polyethers without nitrogen
    • D06P1/6131—Addition products of hydroxyl groups-containing compounds with oxiranes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/04—Polyester fibers
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/92—Synthetic fiber dyeing
    • Y10S8/922—Polyester fiber
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2951—Metal with weld modifying or stabilizing coating [e.g., flux, slag, producer, etc.]
    • Y10T428/2953—Titanium compound in coating
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/296—Rubber, cellulosic or silicic material in coating
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31536—Including interfacial reaction product of adjacent layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Inorganic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Coloring (AREA)
  • Polyethers (AREA)
  • Cosmetics (AREA)
BE792535D 1971-12-09 1972-12-08 Nouveaux composes polymeres et procedes pour leur preparation BE792535A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB5731371 1971-12-09
GB5497772 1971-12-09
GB564372A GB1423341A (en) 1971-12-09 1972-02-07 Polymer treatmen5 of fibrous and filamentary materials
GB5497672A GB1423342A (en) 1971-12-09 1972-02-07 Polymeric compounds and process for their preparation

Publications (1)

Publication Number Publication Date
BE792535A true BE792535A (fr) 1973-03-30

Family

ID=27447463

Family Applications (2)

Application Number Title Priority Date Filing Date
BE792535D BE792535A (fr) 1971-12-09 1972-12-08 Nouveaux composes polymeres et procedes pour leur preparation
BE792534D BE792534A (fr) 1971-12-09 1972-12-08 Traitement de matieres fibreuses et filamenteuses

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE792534D BE792534A (fr) 1971-12-09 1972-12-08 Traitement de matieres fibreuses et filamenteuses

Country Status (10)

Country Link
US (2) US3933421A (fr)
JP (2) JPS5116559B2 (fr)
AU (1) AU470148B2 (fr)
BE (2) BE792535A (fr)
CA (2) CA987433A (fr)
CH (3) CH1791672A4 (fr)
DE (2) DE2260074C2 (fr)
FR (2) FR2162647B1 (fr)
GB (2) GB1423342A (fr)
NL (2) NL162981C (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1480213A (en) * 1973-07-27 1977-07-20 Iws Nominee Co Ltd Crosslinkable compounds
JPS5355591U (fr) * 1976-10-14 1978-05-12
US4225312A (en) 1977-08-04 1980-09-30 I.W.S. Nominee Company Limited Treatment of textiles
US4390519A (en) 1978-05-19 1983-06-28 Sawyer Philip Nicholas Bandage with hemostatic agent and methods for preparing and employing the same
FR2434888A1 (fr) * 1978-08-29 1980-03-28 Iws Nominee Co Ltd Procede de traitement de textiles
DE2837851A1 (de) * 1978-08-30 1980-03-20 Iws Nominee Co Ltd Verfahren zur behandlung von textilien und damit behandelte textilien
US4228810A (en) * 1978-11-20 1980-10-21 La Maur Inc. Care and treatment of curly human hair
GB2069019B (en) * 1980-01-16 1983-03-16 Wool Dev Int Textile finishing
JPS57104913U (fr) * 1980-12-18 1982-06-28
US4448817A (en) * 1981-01-06 1984-05-15 Wool Development International Limited Textile finishing of keratinous articles
DE3323881C2 (de) * 1983-07-02 1985-06-13 Th. Goldschmidt Ag, 4300 Essen Organopolysiloxane mit Buntesalzgruppen, deren Herstellung und Verwendung zur Oberflächenbehandlung von anorganischen oder organischen Materialien
GB8710107D0 (en) * 1987-04-29 1987-06-03 Ici Plc Fillers
EP0346151A3 (fr) * 1988-06-10 1990-02-21 University of Leeds Industrial Services Ltd. Procédé de mise en plis des cheveux
US5858023A (en) * 1990-10-15 1999-01-12 Precision Processes Textiles Softening agents
DE4041164A1 (de) * 1990-12-21 1992-06-25 Wella Ag Verfahren zur dauerhaften verformung von haaren
US5217711A (en) * 1991-10-16 1993-06-08 Mariana De Oliveira Hair care system
JP2593032B2 (ja) * 1992-02-07 1997-03-19 新技術事業団 両末端ヘテロ官能性ポリエーテル並びに該ポリエーテルを製造する方法及び重合開始剤
US5665336A (en) * 1992-06-03 1997-09-09 Bristol-Myers Squibb Company Acidic post-treatment of hair dyed with dihydroxyindole
DE19618088B4 (de) * 1996-05-06 2006-08-17 Agfa-Gevaert Ag Tintenstrahl-Aufzeichnungsmaterial
DE19735368A1 (de) * 1997-08-14 1999-02-18 Univ Karlsruhe Polymere Metallbeschichtung
US6660059B2 (en) 2000-05-19 2003-12-09 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
US20030013366A1 (en) * 2001-06-07 2003-01-16 Klutz David S. Wrinkle-resistant fabrics having desirable aesthetic characteristics, and method for making same
US7722840B2 (en) 2002-11-15 2010-05-25 Placer Dome Technical Services Limited Method for thiosulfate leaching of precious metal-containing materials
FR2848100B1 (fr) * 2002-12-06 2006-11-17 Oreal Utilisation d'un polysaccharide thiosulfate comme agent de conditionnement des matieres keratiniques et composition cosmetique le comprenant.
DE10318079A1 (de) * 2003-04-17 2004-10-28 Cognis Deutschland Gmbh & Co. Kg Verwendung von alkoxylierten Polyolderivaten zum Behandeln von Textilien
US7553339B2 (en) * 2003-11-11 2009-06-30 Huntsman International Llc Method of dyeing or printing textile fibre materials using reactive dyes
ES2927467T3 (es) 2010-12-07 2022-11-07 Barrick Gold Corp Lixiviación en resina a favor de la corriente y a contracorriente en procesos de lixiviación de oro
AR086933A1 (es) 2011-06-15 2014-01-29 Barrick Gold Corp Metodo para recuperar metales preciosos y cobre de soluciones de lixiviado
US10161016B2 (en) 2013-05-29 2018-12-25 Barrick Gold Corporation Method for pre-treatment of gold-bearing oxide ores
PE20211512A1 (es) 2019-01-21 2021-08-11 Barrick Gold Corp Metodo para la lixiviacion con tiosulfato catalizado con carbon de materiales que contienen oro
US20220402831A1 (en) * 2021-06-22 2022-12-22 Andrew Butler Method for removing fluorides and chlorides from drinking water for enhanced watering of plants
CN115947947B (zh) * 2022-12-26 2023-10-31 浙江震东新材料有限公司 一种功能整理剂共聚物及其制备方法
CN116278255B (zh) * 2023-05-16 2023-07-21 广东翔麒福实业有限公司 一种基于改性涤纶长丝的防皱舒爽面料的制备方法、面料

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2004873A (en) * 1932-01-04 1935-06-11 Kirstahler Alfred Thiosulphate esters and their production
FR758756A (fr) * 1934-05-28
US2400377A (en) * 1938-05-25 1946-05-14 Perm Ltd Composition for treating keratin fibers
US2615783A (en) * 1950-08-11 1952-10-28 Procter & Gamble Modification of keratin
US2904583A (en) * 1956-12-21 1959-09-15 Monsanto Chemicals Carboxylated thiosulfates
US2904582A (en) * 1956-12-21 1959-09-15 Monsanto Chemicals Alkylaromatic (sulfothio) acetates
BE605223A (fr) * 1960-08-11
US3203934A (en) * 1961-05-27 1965-08-31 Hoechst Ag Process for preparing insoluble, sulfur-containing polyamides
DE1245308B (de) * 1961-05-27 1967-07-27 Hoechst Ag Verfahren zum Fixieren von Pigmenten auf Fasermaterialien und Flaechengebilden
AT257843B (de) * 1963-04-18 1967-10-25 Oreal Verfahren zur dauernden Verformung von Haaren und Mittel zur Durchführung des Verfahrens
US3352898A (en) * 1964-10-27 1967-11-14 Monsanto Res Corp Process for production of bunte compounds
GB1278934A (en) * 1968-07-15 1972-06-21 Iws Nominee Co Ltd Treatment of keratinous fibres and fabrics
GB1358836A (en) * 1970-07-02 1974-07-03 Ciba Geigy Uk Ltd Treatment of fibres and the fibres thus treated

Also Published As

Publication number Publication date
CH571607B5 (fr) 1976-01-15
CH595407A5 (fr) 1978-02-15
AU4988172A (en) 1974-06-13
JPS4866198A (fr) 1973-09-11
GB1423341A (en) 1976-02-04
DE2260074C2 (de) 1984-01-05
AU470148B2 (en) 1976-03-04
NL7216796A (fr) 1973-06-13
NL162944B (nl) 1980-02-15
DE2260049A1 (de) 1973-06-20
CH1791672A4 (fr) 1975-04-15
FR2162647B1 (fr) 1976-01-30
DE2260049C2 (de) 1986-05-07
NL7216795A (fr) 1973-06-13
DE2260074A1 (de) 1973-06-20
US3968146A (en) 1976-07-06
NL162981C (nl) 1980-07-15
CA987433A (en) 1976-04-13
BE792534A (fr) 1973-03-30
FR2162648A1 (fr) 1973-07-20
JPS4864291A (fr) 1973-09-06
JPS5139680B2 (fr) 1976-10-29
JPS5116559B2 (fr) 1976-05-25
FR2162648B1 (fr) 1977-08-26
FR2162647A1 (fr) 1973-07-20
CA986659A (en) 1976-04-06
NL162944C (nl) 1980-07-15
GB1423342A (en) 1976-02-04
US3933421A (en) 1976-01-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: IWS NOMINEE CY LTD

Effective date: 19891231