IT1114714B - Massa di incorporazione poliuretanica e relativo procedimento di produzione - Google Patents

Massa di incorporazione poliuretanica e relativo procedimento di produzione

Info

Publication number
IT1114714B
IT1114714B IT48441/79A IT4844179A IT1114714B IT 1114714 B IT1114714 B IT 1114714B IT 48441/79 A IT48441/79 A IT 48441/79A IT 4844179 A IT4844179 A IT 4844179A IT 1114714 B IT1114714 B IT 1114714B
Authority
IT
Italy
Prior art keywords
polyurethane
production process
related production
incorporation mass
incorporation
Prior art date
Application number
IT48441/79A
Other languages
English (en)
Other versions
IT7948441A0 (it
Original Assignee
Akzo Nv
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
Priority claimed from DE19782813197 external-priority patent/DE2813197C2/de
Priority claimed from DE19782855243 external-priority patent/DE2855243C2/de
Priority claimed from DE19792907501 external-priority patent/DE2907501C2/de
Application filed by Akzo Nv filed Critical Akzo Nv
Publication of IT7948441A0 publication Critical patent/IT7948441A0/it
Application granted granted Critical
Publication of IT1114714B publication Critical patent/IT1114714B/it

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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8051—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/36
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof
    • B01D63/022—Encapsulating hollow fibres
    • B01D63/023—Encapsulating materials
    • 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
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • 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
    • C08G18/36—Hydroxylated esters of higher fatty acids
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/75—Processes of uniting two or more fibers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • External Artificial Organs (AREA)
  • Materials For Medical Uses (AREA)
  • Sealing Material Composition (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT48441/79A 1978-03-25 1979-03-22 Massa di incorporazione poliuretanica e relativo procedimento di produzione IT1114714B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19782813197 DE2813197C2 (de) 1978-03-25 1978-03-25 Einbettmaterial, Verfahren zu seiner Herstellung und seine Verwendung
DE19782855243 DE2855243C2 (de) 1978-12-21 1978-12-21 Einbettmaterial und Verfahren zu seiner Herstellung
DE19792907501 DE2907501C2 (de) 1979-02-26 1979-02-26 Einbettmaterial, Verfahren zu seiner Herstellung und seine Verwendung

Publications (2)

Publication Number Publication Date
IT7948441A0 IT7948441A0 (it) 1979-03-22
IT1114714B true IT1114714B (it) 1986-01-27

Family

ID=27187499

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48441/79A IT1114714B (it) 1978-03-25 1979-03-22 Massa di incorporazione poliuretanica e relativo procedimento di produzione

Country Status (8)

Country Link
US (2) US4272377A (it)
JP (1) JPS5826366B2 (it)
CA (1) CA1146691A (it)
FR (1) FR2420548A1 (it)
GB (1) GB2021130B (it)
IT (1) IT1114714B (it)
NL (1) NL189614C (it)
SE (1) SE440911B (it)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284506A (en) * 1979-12-26 1981-08-18 Nl Industries, Inc. Biomedical devices
DE3106498A1 (de) * 1981-02-21 1982-09-09 Akzo Gmbh, 5600 Wuppertal Einbettmasse aus polyurethanen
US4375521A (en) * 1981-06-01 1983-03-01 Communications Technology Corporation Vegetable oil extended polyurethane systems
DE3147025A1 (de) * 1981-11-27 1983-06-01 Akzo Gmbh, 5600 Wuppertal Einbettmasse auf basis schnellreagierender polyurethan-giessharze
EP0155534B1 (de) * 1984-03-20 1988-12-28 Akzo Patente GmbH Dialysemembran aus Cellulose mit verbesserter Biokompatibilität
US4879032A (en) * 1984-06-04 1989-11-07 Allied Resin Corporation Fluid separatory devices having improved potting and adhesive compositions
JPS6343669A (ja) * 1986-08-08 1988-02-24 帝人株式会社 血液処理器の製造方法
JPS6422914A (en) * 1987-07-19 1989-01-25 Itoh Oil Mfg Isocyanate end prepolymer
US4865735A (en) * 1988-02-18 1989-09-12 Caschem, Inc. Amine containing polyurethane compositions for separatory devices
US4966699A (en) * 1988-05-25 1990-10-30 Terumo Kabushiki Kaisha Hollow fiber membrane fluid processor
US4983338A (en) * 1989-08-09 1991-01-08 Exxon Research And Engineering Company Isocyanurate crosslinked polyurethane membranes and their use for the separation of aromatics from non-aromatics
CA2639642C (en) 1996-12-20 2013-01-15 Siemens Water Technologies Corp. Scouring method
NO981350L (no) 1997-03-26 1998-09-28 Central Glass Co Ltd Belagt granulær kunstgjödsel og fremgangsmåte for dens fremstilling
US20030191274A1 (en) 2001-10-10 2003-10-09 Kurth Thomas M. Oxylated vegetable-based polyol having increased functionality and urethane material formed using the polyol
US7063877B2 (en) * 1998-09-17 2006-06-20 Urethane Soy Systems Company, Inc. Bio-based carpet material
US6180686B1 (en) 1998-09-17 2001-01-30 Thomas M. Kurth Cellular plastic material
US8575226B2 (en) 1998-09-17 2013-11-05 Rhino Linings Corporation Vegetable oil-based coating and method for application
US20020058774A1 (en) 2000-09-06 2002-05-16 Kurth Thomas M. Transesterified polyol having selectable and increased functionality and urethane material products formed using the polyol
US6962636B2 (en) 1998-09-17 2005-11-08 Urethane Soy Systems Company, Inc. Method of producing a bio-based carpet material
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
US7247238B2 (en) 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
KR101002466B1 (ko) 2002-10-10 2010-12-17 지멘스 워터 테크놀로지스 코포레이션 역세척 방법
AU2002953111A0 (en) 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
JP4611982B2 (ja) * 2003-08-29 2011-01-12 シーメンス・ウォーター・テクノロジーズ・コーポレーション 逆洗方法
EP1687078B1 (en) * 2003-11-14 2012-03-14 Siemens Industry, Inc. Improved module cleaning method
US7763341B2 (en) 2004-01-23 2010-07-27 Century-Board Usa, Llc Filled polymer composite and synthetic building material compositions
US8758621B2 (en) * 2004-03-26 2014-06-24 Evoqua Water Technologies Llc Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
WO2005107929A2 (en) 2004-04-22 2005-11-17 Siemens Water Technologies Corp. Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
EP1776216A4 (en) 2004-06-24 2009-04-08 Century Board Usa Llc DEVICE FOR CONTINUOUS MANUFACTURE OF THREE-DIMENSIONAL STUNNING PRODUCTS
CN101052457B (zh) 2004-08-20 2012-07-04 西门子工业公司 正方形mbr歧管系统
JP4838248B2 (ja) 2004-09-07 2011-12-14 シーメンス・ウォーター・テクノロジーズ・コーポレーション 逆洗液体廃棄物の低減
AU2005284677B2 (en) * 2004-09-14 2010-12-23 Evoqua Water Technologies Llc Methods and apparatus for removing solids from a membrane module
WO2006029465A1 (en) 2004-09-15 2006-03-23 Siemens Water Technologies Corp. Continuously variable aeration
JP4586801B2 (ja) * 2004-09-28 2010-11-24 日本ポリウレタン工業株式会社 ポリウレタン樹脂形成性組成物、シール材及び中空糸膜モジュール
US7794224B2 (en) 2004-09-28 2010-09-14 Woodbridge Corporation Apparatus for the continuous production of plastic composites
JP4721064B2 (ja) * 2004-10-19 2011-07-13 日本ポリウレタン工業株式会社 ポリウレタン樹脂形成性組成物、シール材の製造方法、及び中空糸膜モジュールの製造方法
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
ATE549076T1 (de) * 2004-12-24 2012-03-15 Siemens Industry Inc Reinigung in membranfiltrationssystemen
JP2008525167A (ja) * 2004-12-24 2008-07-17 シーメンス・ウォーター・テクノロジーズ・コーポレーション 簡易ガス洗浄方法および当該技術分野の装置
CN101218272A (zh) 2005-03-03 2008-07-09 南达科他大豆处理机有限公司 采用氧化方法从植物油衍生的新型多元醇
CA2605757A1 (en) 2005-04-29 2006-11-09 Siemens Water Technologies Corp. Chemical clean for membrane filter
JP2008545835A (ja) * 2005-05-23 2008-12-18 インテグリス・インコーポレーテッド 低オフガス発生ポリウレタン
CA2618107A1 (en) 2005-08-22 2007-03-01 Siemens Water Technologies Corp. An assembly for water filtration using a tube manifold to minimise backwash
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US7563363B2 (en) 2005-10-05 2009-07-21 Siemens Water Technologies Corp. System for treating wastewater
US20080257822A1 (en) * 2005-12-09 2008-10-23 Warren Thomas Johnson Reduced Backwash Volume Process
CN101351261A (zh) * 2005-12-28 2009-01-21 株式会社吴羽 灌封剂、中空丝组件及其制造方法
NZ569210A (en) * 2006-01-12 2012-03-30 Siemens Water Tech Corp Improved operating strategies in filtration processes
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
US20070225419A1 (en) 2006-03-24 2007-09-27 Century-Board Usa, Llc Polyurethane composite materials
NZ574640A (en) * 2006-08-31 2011-12-22 Siemens Water Tech Corp Method of backwashing membrane filtration system with gas from source used to scour or aerate membrane
US8293098B2 (en) * 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
WO2008098309A1 (en) * 2007-02-16 2008-08-21 Siemens Water Technologies Corp. Membrane filtration process and design
JP2008214366A (ja) * 2007-02-28 2008-09-18 Sanyo Chem Ind Ltd 膜モジュールのシール材用注型ポリウレタン樹脂形成性組成物
EP2129629A1 (en) 2007-04-02 2009-12-09 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
AU2008235254B2 (en) * 2007-04-04 2012-08-30 Evoqua Water Technologies Llc Membrane module protection
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
KR20170092708A (ko) 2007-05-29 2017-08-11 에보쿠아 워터 테크놀로지스 엘엘씨 수처리 시스템
US20100170847A1 (en) * 2007-05-29 2010-07-08 Fufang Zha Membrane cleaning using an airlift pump
CN101687148A (zh) * 2007-06-28 2010-03-31 西门子水处理技术公司 简单过滤系统的清洁方法
CA2731774A1 (en) * 2008-07-24 2010-01-28 Siemens Water Technologies Corp. Frame system for membrane filtration modules
AU2009281935A1 (en) * 2008-08-14 2010-02-18 Siemens Industry, Inc. Block configuration for large scale membrane distillation
EP2315625B1 (en) * 2008-08-20 2018-05-16 Evoqua Water Technologies LLC Improved membrane system backwash energy efficiency
CN102481521B (zh) * 2009-06-02 2014-10-15 伊沃夸水处理技术有限责任公司 利用脉冲气栓和全局通风进行的膜清洁
WO2010142673A1 (en) 2009-06-11 2010-12-16 Siemens Water Technologies Corp. Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
WO2011005705A2 (en) * 2009-07-06 2011-01-13 Boral Material Technologies Inc. Vacuum removal of entrained gasses in extruded, foamed polyurethane
US8846776B2 (en) 2009-08-14 2014-09-30 Boral Ip Holdings Llc Filled polyurethane composites and methods of making same
US9481759B2 (en) * 2009-08-14 2016-11-01 Boral Ip Holdings Llc Polyurethanes derived from highly reactive reactants and coal ash
HUE045642T2 (hu) 2010-04-30 2020-01-28 Evoqua Water Tech Llc Folyadékáramlás elosztó készülék
EP2618916A4 (en) 2010-09-24 2016-08-17 Evoqua Water Technologies Llc FLUID CONTROL COLLECTOR FOR MEMBRANE FILTRATION SYSTEM
JP5797475B2 (ja) * 2011-06-23 2015-10-21 第一工業製薬株式会社 ポリウレタン樹脂組成物およびそれを用いてなる中空糸膜モジュール
JP2014528352A (ja) 2011-09-30 2014-10-27 エヴォクア ウォーター テクノロジーズ エルエルシーＥｖｏｑｕａ Ｗａｔｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓｌｌｃ 改良したマニホルド構造
WO2013049109A1 (en) 2011-09-30 2013-04-04 Siemens Industry, Inc. Isolation valve
US9745224B2 (en) 2011-10-07 2017-08-29 Boral Ip Holdings (Australia) Pty Limited Inorganic polymer/organic polymer composites and methods of making same
KR102108593B1 (ko) 2012-06-28 2020-05-29 에보쿠아 워터 테크놀로지스 엘엘씨 포팅 방법
AU2013231145B2 (en) 2012-09-26 2017-08-17 Evoqua Water Technologies Llc Membrane potting methods
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
WO2014052139A1 (en) 2012-09-27 2014-04-03 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US9932457B2 (en) 2013-04-12 2018-04-03 Boral Ip Holdings (Australia) Pty Limited Composites formed from an absorptive filler and a polyurethane
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
FR3012818B1 (fr) * 2013-11-04 2015-11-20 Bostik Sa Composition de colle bicomposante a base de polyurethane
WO2016018226A1 (en) 2014-07-28 2016-02-04 Crocco Guy The use of evaporative coolants to manufacture filled polyurethane composites
US9752015B2 (en) 2014-08-05 2017-09-05 Boral Ip Holdings (Australia) Pty Limited Filled polymeric composites including short length fibers
US9988512B2 (en) 2015-01-22 2018-06-05 Boral Ip Holdings (Australia) Pty Limited Highly filled polyurethane composites
WO2016195717A1 (en) 2015-06-05 2016-12-08 Boral Ip Holdings (Australia) Pty Limited Filled polyurethane composites with lightweight fillers
AU2016294153B2 (en) 2015-07-14 2022-01-20 Evoqua Water Technologies Llc Aeration device for filtration system
US20170267585A1 (en) 2015-11-12 2017-09-21 Amitabha Kumar Filled polyurethane composites with size-graded fillers
WO2018208364A2 (en) 2017-05-08 2018-11-15 Ppg Industries Ohio, Inc. Curable film-forming compositions demonstrating decreased cure time with stable pot life
DE102018209444B3 (de) 2018-06-13 2019-07-25 Fresenius Medical Care Deutschland Gmbh Verfahren zum Vergießen von Hohlfasermembranen, Hohlfasermembranfilter und isocyanatgruppenhaltiges Addukt

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763405A (en) 1953-09-28 1956-12-12 Stoner Mudge Inc Cement obtained from castor oil and a diisocyanate
US2972349A (en) * 1958-12-24 1961-02-21 Univ Minnesota Capillary oxygenator
NL269380A (it) * 1960-09-19
US3351573A (en) 1961-06-13 1967-11-07 Allied Chem Catalyzed storage-stable quick drying coating composition containing polyurethane-polyisocyanate film former
US3422008A (en) * 1963-10-24 1969-01-14 Dow Chemical Co Wound hollow fiber permeability apparatus and process of making the same
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
US3362921A (en) * 1965-03-24 1968-01-09 Baker Castor Oil Co Novel elastomeric products obtained from prepolymer compositions
US3339341A (en) * 1965-12-22 1967-09-05 Du Pont Fluid separation process and apparatus
US3546148A (en) * 1966-10-17 1970-12-08 Minnesota Mining & Mfg Polyurethane composition and surfacing
US3676382A (en) * 1970-05-19 1972-07-11 Tee Pak Inc Adhesive for regenerated cellulose
US3790508A (en) 1972-03-20 1974-02-05 Scott Paper Co Light-stable polyurethane foam formed by reaction of a polyol and a mixture or aromatic and aliphatic polyisocyanates
NL7310642A (it) * 1972-08-31 1974-03-04
US3962094A (en) * 1973-09-18 1976-06-08 The Dow Chemical Company Hollow fiber separatory device
DD119052A1 (it) 1975-04-18 1976-04-05
US4031012A (en) * 1975-09-17 1977-06-21 Gics Pharmaceuticals, Inc. Separatory apparatus
CA1091242A (en) 1976-07-19 1980-12-09 Melvin Brauer Stabilized diphenylmethane diisocyanate prepolymer
IT1115397B (it) * 1976-11-05 1986-02-03 Nl Industries Inc Composizione poliuretanica e relativi articoli

Also Published As

Publication number Publication date
NL189614B (nl) 1993-01-04
SE7902612L (sv) 1979-09-26
US4272377A (en) 1981-06-09
JPS54132698A (en) 1979-10-15
NL7902337A (nl) 1979-09-27
NL189614C (nl) 1993-06-01
JPS5826366B2 (ja) 1983-06-02
CA1146691A (en) 1983-05-17
IT7948441A0 (it) 1979-03-22
SE440911B (sv) 1985-08-26
GB2021130B (en) 1982-09-29
FR2420548A1 (fr) 1979-10-19
US4359359A (en) 1982-11-16
GB2021130A (en) 1979-11-28
FR2420548B1 (it) 1984-01-27

Similar Documents

Publication Publication Date Title
IT1114714B (it) Massa di incorporazione poliuretanica e relativo procedimento di produzione
JPS5560515A (en) Manufacture of polyurethane plastic
IT7951193A0 (it) Dimento per la loro produzione bis-sililetil-oligosolfuri e proce
FI783321A (fi) Tvaettanordning foer massa
FI56564B (fi) Anordning foer tvaettning av massa
FI802055A (fi) Foerbaettrad process foer osammanhaengande material
JPS5584313A (en) Manufacture of polyurethane plastic
JPS53110668A (en) Production of plastic material
JPS52128202A (en) Production of leather like material
IT1145379B (it) Cleomicine e relativo procedimento di produzione
JPS52144407A (en) Production of fibrous belt like substance
IT1079833B (it) Procedimento per la produzione di polistirene e prodotto ottenuto
IT1155821B (it) Imidazopiridazine sostituite e relativo procedimento di produzione
IT7969166A0 (it) Procedimento per la produzione di schiume di materie plastiche parti colarmente di poliuretani
GB2032406B (en) Production of phosgene
IT1065324B (it) Materie plastiche poliuretaniche e procedimento per la loro produzione
FI802149A (fi) Anordning foer framstaellning av mekanisk massa
IT1079950B (it) 4-ossocapronitrile e relativo procedimento di produzione
FI791681A (fi) Blekning av massa
IT1164822B (it) Procedimento per la produzione di metilisocianato
FI792607A (fi) Malningselement foer massa
JPS54118495A (en) Production of urethane polymer
JPS5323324A (en) Production method of fireerestant material
JPS52156901A (en) Production of leather like substance
GB2053035B (en) Mass production of an article

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960206