AT357974B - Verfahren zur rueckenbeschichtung von bodenbe- laegen mit polyurethanen - Google Patents

Verfahren zur rueckenbeschichtung von bodenbe- laegen mit polyurethanen

Info

Publication number
AT357974B
AT357974B AT647375A AT647375A AT357974B AT 357974 B AT357974 B AT 357974B AT 647375 A AT647375 A AT 647375A AT 647375 A AT647375 A AT 647375A AT 357974 B AT357974 B AT 357974B
Authority
AT
Austria
Prior art keywords
flooring
polyurethanes
back coating
coating
Prior art date
Application number
AT647375A
Other languages
English (en)
Other versions
ATA647375A (de
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Priority to AT561076A priority Critical patent/AT343516B/de
Publication of ATA647375A publication Critical patent/ATA647375A/de
Application granted granted Critical
Publication of AT357974B publication Critical patent/AT357974B/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B32B5/20Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/321Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed part being a lining, e.g. a film or a support lining
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0063Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
    • D06N7/0071Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0063Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
    • D06N7/0071Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing
    • D06N7/0086Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing characterised by the cushion backing, e.g. foamed polyurethane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00Flat articles, e.g. films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00Layered products
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • B32B2266/0278Polyurethane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00Floor coverings
    • B32B2471/02Carpets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2203/00Macromolecular materials of the coating layers
    • D06N2203/06Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/068Polyurethanes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2205/00Condition, form or state of the materials
    • D06N2205/04Foam
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2213/00Others characteristics
    • D06N2213/06Characteristics of the backing in carpets, rugs, synthetic lawn
    • D06N2213/065Two back coatings one next to the other
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/23907Pile or nap type surface or component
    • Y10T428/23979Particular backing structure or composition
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Laminated Bodies (AREA)
  • Carpets (AREA)
AT647375A 1974-08-22 1975-06-23 Verfahren zur rueckenbeschichtung von bodenbe- laegen mit polyurethanen AT357974B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT561076A AT343516B (de) 1975-06-23 1975-06-23 Strassenverkehrssignalanlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2440271A DE2440271C2 (de) 1974-08-22 1974-08-22 Verfahren zur Rückenbeschichtung von Bodenbelägen mit Polyurethanen

Publications (2)

Publication Number Publication Date
ATA647375A ATA647375A (de) 1980-01-15
AT357974B true AT357974B (de) 1980-08-11

Family

ID=5923822

Family Applications (1)

Application Number Title Priority Date Filing Date
AT647375A AT357974B (de) 1974-08-22 1975-06-23 Verfahren zur rueckenbeschichtung von bodenbe- laegen mit polyurethanen

Country Status (13)

Country Link
US (1) US4035529A (de)
JP (1) JPS5147169A (de)
AT (1) AT357974B (de)
BE (1) BE832575A (de)
CA (1) CA1039594A (de)
DE (1) DE2440271C2 (de)
DK (1) DK377775A (de)
ES (1) ES440367A1 (de)
FR (1) FR2282497A1 (de)
GB (1) GB1520765A (de)
IT (1) IT1041278B (de)
LU (1) LU73224A1 (de)
NL (1) NL7509964A (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156041A (en) * 1975-11-27 1979-05-22 Imperial Chemical Industries Limited Deposition of polyurethane foam-forming liquid reaction mixture
US4405393A (en) * 1977-03-30 1983-09-20 Tillotson John G Method for forming a layer of blown cellular urethane on a carpet backing
US4171395A (en) * 1977-03-30 1979-10-16 Tillotson John G Method and apparatus for forming a layer of foam urethane on a carpet backing and product
US4278482A (en) * 1979-06-26 1981-07-14 Custom Coating, Inc. Apparatus and method for production of polyurethane carpet backing
US4296159A (en) * 1980-09-29 1981-10-20 The Dow Chemical Company Polyurethane backed carpet
US4483894A (en) * 1981-06-24 1984-11-20 The Dow Chemical Company Process for applying polyurethane foams to substrates and product made thereby
US4397900A (en) * 1981-12-21 1983-08-09 Milliken Research Corporation Magnetic carpet tile
AT383290B (de) * 1983-06-23 1987-06-10 Johannes Zimmer Verfahren zur fluessigschaumauftragung mit hilfe einer auftragungseinrichtung
US4515846A (en) * 1984-04-09 1985-05-07 The Dow Chemical Company Polyurethane backed carpet formed with two catalysts
US5104693A (en) * 1990-12-20 1992-04-14 The Dow Chemical Company Polyurethane carpet-backing process based on soft segment prepolymers of diphenylmethane diisocyanate (MDI)
CA2168516C (en) * 1995-02-10 2007-07-03 James W. Rosthauser Polyurethane urea layers with higher surface energy
US20020197443A1 (en) * 1997-03-17 2002-12-26 Schrock Alan K. Process for preparing carpets having polyurethane backings obtained from polyurethane latex formulations
US6171678B1 (en) * 1998-07-14 2001-01-09 Bayer Antwerp N.V. Polyurethane carpet backings with improved tuft bind
ID28969A (id) * 1998-12-18 2001-07-19 Dow Chemical Co Dispersi-dispersi poliuretan encer yang berguna untuk menyiapkan polimer-polimer dengan sifat-sifat resistansi kelembaban yang ditingkatkan
CN1154674C (zh) 1998-12-29 2004-06-23 陶氏环球技术公司 由机械发泡聚氨酯分散体制备的聚氨酯泡沫材料
US20020192456A1 (en) * 2001-03-15 2002-12-19 Mashburn Larry E. Carpet backings prepared from vegetable oil-based polyurethanes
US20030143910A1 (en) * 2002-01-31 2003-07-31 Mashburn Larry E. Carpet backings prepared from vegetable oil-based polyurethanes
US20100151226A9 (en) * 2002-03-15 2010-06-17 Mashburn Larry E Carpet backings prepared from hydroxylated vegetable oil-based polyurethanes
DE10343745A1 (de) * 2003-09-22 2005-04-21 Hennecke Gmbh Verfahren zur Herstellung von Polyurethan-Sandwichelementen
TWI308247B (en) 2004-03-24 2009-04-01 Toppoly Optoelectronics Corp Transflective liquid crystal display and method of fabricating the same
US7638008B2 (en) * 2004-05-25 2009-12-29 New Spirit Backing Llc Polyurethane roller coating process for carpet backing
EP1814717B8 (de) 2004-05-25 2014-08-20 Kusters Zima Corporation Polyurethanwalzenbeschichtungsvorrichtung für teppichrückenbeschichtung
US20050282989A1 (en) * 2004-06-17 2005-12-22 Rosthauser James W TDI prepolymers with improved processing characteristics
US20090029097A1 (en) * 2007-06-11 2009-01-29 Riddle Dennis L Flooring products and methods
US20100267304A1 (en) * 2008-11-14 2010-10-21 Gregory Fowler Polyurethane foam pad and methods of making and using same
MX341382B (es) * 2008-11-14 2016-08-18 Shaw Ind Group Inc Almohadilla de espuma de poliuretano y métodos de manufactura y uso.
US8728581B2 (en) 2009-07-17 2014-05-20 Columbia Insurance Company Embossed carpet backing
DE102014010252A1 (de) * 2014-07-11 2016-01-14 Metall-Chemie Technologies Gmbh Elastische Laminat-Deckschichten umfassend einen separaten Oberflächenanstrich

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228820A (en) * 1962-05-14 1966-01-11 Richard D Samson Nonfoaming process for bonding foam to porous substrates
US3328225A (en) * 1964-01-20 1967-06-27 Gen Tire & Rubber Co Dry-cleanable expanded plastic laminates and methods of making the same
GB1250169A (de) * 1968-05-25 1971-10-20
US3577257A (en) * 1968-10-30 1971-05-04 Textron Inc Method for forming decorative polyurethane coatings
US3748217A (en) * 1971-02-24 1973-07-24 Burlington Industries Inc Lined textile fabric and method of manufacture
BE793159A (fr) * 1971-12-21 1973-06-21 Ici Ltd Revetements de sol
DE2208995A1 (de) * 1972-02-25 1973-09-27 Gundernhausen Chemie Verfahren zur rueckenbeschichtung von bodenbelaegen mit polyurethan
GB1457001A (en) * 1973-07-06 1976-12-01 Marley Tile Co Ltd Surface covering materials

Also Published As

Publication number Publication date
FR2282497A1 (fr) 1976-03-19
NL7509964A (nl) 1976-02-24
DK377775A (da) 1976-02-23
GB1520765A (en) 1978-08-09
LU73224A1 (de) 1976-08-13
IT1041278B (it) 1980-01-10
CA1039594A (en) 1978-10-03
DE2440271A1 (de) 1976-03-04
FR2282497B1 (de) 1979-05-18
DE2440271C2 (de) 1983-03-24
ATA647375A (de) 1980-01-15
JPS5147169A (en) 1976-04-22
BE832575A (fr) 1976-02-20
US4035529A (en) 1977-07-12
ES440367A1 (es) 1977-03-01

Similar Documents

Publication Publication Date Title
AT357974B (de) Verfahren zur rueckenbeschichtung von bodenbe- laegen mit polyurethanen
AT363889B (de) Verfahren zur herstellung von enzympraeparaten
AT347416B (de) Verfahren zur skelett-isomerisierung von alkenen
AT346850B (de) Verfahren zur herstellung von epoxiden
DD132880A5 (de) Verfahren zur zuechtung von basidiomyceten
AT335989B (de) Verfahren zur kontinuierlichen herstellung von 2-athylhexanol
DD133055A5 (de) Verfahren zur herstellung von dimeren indol-dihydroindolcarboxamiden
DD134227A5 (de) Verfahren zur herstellung von dimeren indoldihydroindoldionen
AT342087B (de) Verfahren zur herstellung von dicyan
AT338748B (de) Verfahren zur herstellung von acetoxybutanalen
AT351676B (de) Verfahren zur herstellung von 7-alkoxy-3- chlormethyl-3-cephemen
AT359215B (de) Verfahren zur herstellung von pgfbeta-prosta- glandinen
DD134647A5 (de) Verfahren zur zuechtung von basidiomyceten
AT326901B (de) Verfahren zur herstellung von elastischen bodenbelagplatten
ATA454575A (de) Verfahren zur herstellung von plyvinylchlorid
AT340589B (de) Verfahren zur herstellung von delta3-cephalosporinestern
AT366934B (de) Verfahren zur beschichtung von oberflaechen
ATA891774A (de) Verfahren zur beschichtung von oberflachen
AT338747B (de) Verfahren zur herstellung von butandiolen
DD137233A5 (de) Verfahren zur herstellung von komplexen mit asymmetrischen aminophosphinen
AT340020B (de) Verfahren zur herstellung von beschichtungen
AT339220B (de) Verfahren zur verhinderung von steinbildenden ablagerungen
DD114776A1 (de) Verfahren zur herstellung von betonsichtflaechen
PT67130B (de) Verfahren zur flammfestaurustung von florteppichen
CH626216B (de) Verfahren zur herstellung von flaechengebilden mit verankertem flor.

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee