ES514080A0 - Procedimiento para estabilizar polimeros contra la degradacion por radiacion ultravioleta. - Google Patents

Procedimiento para estabilizar polimeros contra la degradacion por radiacion ultravioleta.

Info

Publication number
ES514080A0
ES514080A0 ES514080A ES514080A ES514080A0 ES 514080 A0 ES514080 A0 ES 514080A0 ES 514080 A ES514080 A ES 514080A ES 514080 A ES514080 A ES 514080A ES 514080 A0 ES514080 A0 ES 514080A0
Authority
ES
Spain
Prior art keywords
procedure
ultraviolet radiation
against degradation
polymers against
stabilize polymers
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
ES514080A
Other languages
English (en)
Spanish (es)
Other versions
ES8308576A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of ES8308576A1 publication Critical patent/ES8308576A1/es
Publication of ES514080A0 publication Critical patent/ES514080A0/es
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Hydrogenated Pyridines (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
ES514080A 1981-07-20 1982-07-16 Procedimiento para estabilizar polimeros contra la degradacion por radiacion ultravioleta. Granted ES514080A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/284,882 US4331586A (en) 1981-07-20 1981-07-20 Novel light stabilizers for polymers

Publications (2)

Publication Number Publication Date
ES8308576A1 ES8308576A1 (es) 1983-10-01
ES514080A0 true ES514080A0 (es) 1983-10-01

Family

ID=23091873

Family Applications (1)

Application Number Title Priority Date Filing Date
ES514080A Granted ES514080A0 (es) 1981-07-20 1982-07-16 Procedimiento para estabilizar polimeros contra la degradacion por radiacion ultravioleta.

Country Status (7)

Country Link
US (1) US4331586A (OSRAM)
EP (1) EP0070358B1 (OSRAM)
JP (1) JPS5818378A (OSRAM)
AT (1) ATE25085T1 (OSRAM)
DE (1) DE3275187D1 (OSRAM)
ES (1) ES514080A0 (OSRAM)
ZA (1) ZA825147B (OSRAM)

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH672388B5 (OSRAM) 1981-05-16 1990-05-31 Sandoz Ag
US4461861A (en) * 1981-07-20 1984-07-24 American Cyanamid Company Polymer compositions stabilized with triazinyl-piperidine compounds
US4439565A (en) * 1982-11-10 1984-03-27 Ciba-Geigy Corporation Oligomeric esteramides containing pendant hindered amine groups
IT1193659B (it) * 1983-02-04 1988-07-21 Chimosa Chimica Organica Spa Composti piperidinil-triazinici utili come stabilizzanti per polimeri sintetici
ATE71641T1 (de) * 1985-09-10 1992-02-15 American Cyanamid Co Gegen chemischen angriff stabilisierte folien fuer den ausseneinsatz.
EP0215740B1 (de) * 1985-09-16 1991-01-02 Ciba-Geigy Ag Verzweigte Polyester
US4863981A (en) * 1986-06-30 1989-09-05 Ciba-Geigy Corporation Synergistic mixture of stabilizers
US4985479A (en) * 1986-11-27 1991-01-15 Sumitomo Chemical Company, Ltd. Stabilized polyolefin composition
IT1215455B (it) * 1987-05-05 1990-02-14 Ciba Geigy Spa Composizione stabilizzante per polietilene comprendente composti contenenti gruppi piperidinici e composti metallici
CS270846B1 (en) * 1988-08-29 1990-08-14 Vass Frantisek New polyaminotriazines and method of their preparation
US4981964A (en) * 1988-12-15 1991-01-01 Ici Americas Inc. Oligomeric polyesters and polyamides containing dipiperidyl triazine groups
US4889882A (en) * 1988-12-15 1989-12-26 Ici Americas Inc. Tetramethyl piperidyl terminated triazine oligomeric esters and amides
IT1230968B (it) * 1989-07-03 1991-11-08 Mini Ricerca Scient Tecnolog Composizioni polimeriche autoestinguenti.
IT1237129B (it) * 1989-11-10 1993-05-18 Valerio Borzatta Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici.
IT1237541B (it) * 1989-12-28 1993-06-08 Ciba Geigy Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici
US5324834A (en) * 1990-06-13 1994-06-28 Ciba-Geigy Corporation Piperidine-triazine co-oligomers for use as stabilizers for organic materials
JP2903739B2 (ja) * 1990-06-29 1999-06-14 住友化学工業株式会社 Ｎ，ｎ′−ビス（２，２，６，６−テトラメチル−４−ピペリジル）アルカンジアミンの製造法
IT1246170B (it) * 1990-07-24 1994-11-16 Ciba Geigy Spa Composizione stabilizzante per polipropilene comprendente composti triazinici contenenti gruppi piperidinici e composti metallici
IT1243374B (it) * 1990-07-27 1994-06-10 Ciba Geigy Spa Composti piperidin-triazinici contenenti gruppi tetraidrofuranici o tetraidropiranici atti all'impiego come stabilizzanti per materiali organici
US5256787A (en) * 1990-09-03 1993-10-26 Ciba-Geigy Corporation Tri-piperdine compounds as stabilizers for organic materials
IT1243433B (it) * 1990-10-03 1994-06-10 Ciba Geigy Spa Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici
US5149723A (en) * 1991-03-22 1992-09-22 E. I. Du Pont De Nemours And Company Stabilized polyacetal compositions containing a mixture of hals having tertiary functionality
US5232965A (en) * 1991-03-22 1993-08-03 E. I. Du Pont De Nemours And Company Stabilized polyacetal compositions
JPH05156094A (ja) * 1991-12-11 1993-06-22 Sumitomo Chem Co Ltd 安定化ポリオレフィン組成物
IT1263892B (it) * 1993-02-11 1996-09-05 Graziano Vignali Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici
EP0736064A1 (en) * 1993-12-02 1996-10-09 Bayer Antwerpen N.V. Stabilizer system for non yellowing polymer composition
US5624982A (en) * 1993-12-02 1997-04-29 Bayer Antwerpen Sa/Nv Stabilizer system for non yellowing polymer composition
TW302377B (OSRAM) 1993-12-24 1997-04-11 Sumitomo Chemical Co
ES2148464T5 (es) * 1994-10-28 2005-06-16 Ciba Specialty Chemicals Holding Inc. Mezcla de estabilizadores sinergicos.
EP0709426B2 (de) 1994-10-28 2005-01-05 Ciba SC Holding AG Synergistisches Stabilisatorgemisch
TW401437B (en) * 1995-02-10 2000-08-11 Ciba Sc Holding Ag Synergistic stabilizer mixture
TW358820B (en) 1995-04-11 1999-05-21 Ciba Sc Holding Ag Synergistic stabilizer mixture
TW360678B (en) * 1995-05-03 1999-06-11 Ciba Sc Holding Ag Synergistic stabilizer mixture for polyolefins
TW390897B (en) * 1995-07-21 2000-05-21 Ciba Sc Holding Ag Synergistic stabilizer mixture
IT1275584B1 (it) * 1995-07-21 1997-08-06 3V Sigma Spa Composizioni per la stabilizzazione di polimeri sintetici
US6046304A (en) * 1995-12-04 2000-04-04 Ciba Specialty Chemicals Corporation Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
EP0782994B1 (en) * 1995-12-04 2003-02-05 Ciba SC Holding AG Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
ES2128978B1 (es) * 1996-04-01 2000-03-01 Ciba Sc Holding Ag Derivados de politriazina que contienen grupos de polialquilpiperidiniloxilo o polialquilpiperidinilamino.
ES2239348T3 (es) * 1996-07-17 2005-09-16 Ciba Specialty Chemicals Holding Inc. Estabilizadores de larga duracion, resistentes al ozono.
DE69719004T2 (de) 1996-12-24 2003-07-24 Ciba Speciality Chemicals Holding Inc., Basel Triazinverbindungen die 2,2,6,6-Tetramethyl-4-piperidingruppen enthalten als Stabilisatoren für organische Materialen
JP4332817B2 (ja) 1997-05-27 2009-09-16 チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド 有機材料のための安定剤としての１−ヒドロカルビルオキシ−２，２，６，６−テトラメチル−４−ピペリジル基を含むブロックオリゴマー
TW491872B (en) * 1997-05-27 2002-06-21 Ciba Sc Holding Ag Block oligomers containing l-hydrocarbyloxy-2,2,6,6-tetramethyl-4- piperidyl groups as stabilizers for lower polyolefin
TW589341B (en) 1997-05-27 2004-06-01 Ciba Sc Holding Ag Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
TW428008B (en) 1997-05-27 2001-04-01 Ciba Sc Holding Ag Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethy1-4-piperidyl groups as stabilizers for organic materials
TW509683B (en) * 1997-05-27 2002-11-11 Ciba Sc Holding Ag Triazine derivatives containing 2,2,6,6-tetramethyl-4-piperidyl groups
US6403680B1 (en) 1997-05-27 2002-06-11 Ciba Specialty Chemicals Corporation Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
IT1292040B1 (it) * 1997-05-30 1999-01-25 Ciba Spec Chem Spa Processo per la preparazione di prodotti politriazinici contenenti gruppi 2,2,6,6-tetrametil-4-piperidile
ATE258173T1 (de) * 1997-12-08 2004-02-15 Cytec Tech Corp Mit morpholin end-gruppen versehene substituierte aminotriazine und ihre verwendung als licht stabilisatoren
US6051164A (en) * 1998-04-30 2000-04-18 Cytec Technology Corp. Methods and compositions for protecting polymers from UV light
ES2238839T3 (es) 1998-06-22 2005-09-01 Ciba Specialty Chemicals Holding Inc. Absorbedores de la luz ultravioleta de policarbamato de trisaril-1,3,5-triazina.
EP1089985B1 (en) 1998-06-22 2005-09-21 Cytec Technology Corp. Red-shifted trisaryl-1,3,5-triazine ultraviolet light absorbers
CA2408651C (en) * 2000-05-31 2012-10-16 Ciba-Specialty Chemicals Holding Inc. Stabilizer mixtures
US6433088B1 (en) 2000-08-04 2002-08-13 Equistar Chemicals, Lp Clear and printable polypropylene films
US6355733B1 (en) 2000-10-13 2002-03-12 Equistar Chemicals, Lp Polyethylene blends and films
ITMI20012085A1 (it) 2000-10-17 2003-04-09 Ciba Sc Holding Ag Polpropilene metallocene stabilizzato
US6867250B1 (en) 2000-10-30 2005-03-15 Cytec Technology Corp. Non-yellowing ortho-dialkyl aryl substituted triazine ultraviolet light absorbers
US6492521B2 (en) 2000-11-03 2002-12-10 Cytec Technology Corp. Hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same
US6727300B2 (en) 2000-11-03 2004-04-27 Cytec Technology Corp. Polymeric articles containing hindered amine light stabilizers based on multi-functional carbonyl compounds
US6414155B1 (en) 2000-11-03 2002-07-02 Cytec Technology Corp. Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same
US6545156B1 (en) 2000-11-03 2003-04-08 Cytec Technology Corp. Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same
US6613841B2 (en) 2002-01-28 2003-09-02 Equistar Chemicals, Lp Preparation of machine direction oriented polyethylene films
US20030225191A1 (en) 2002-04-12 2003-12-04 Francois Gugumus Stabilizer mixtures
US6649698B1 (en) 2002-05-17 2003-11-18 Equistar Chemicals, Lp Polyethylene blends
US20030236325A1 (en) * 2002-05-30 2003-12-25 Michela Bonora Agricultural articles
US20050154097A1 (en) * 2002-05-30 2005-07-14 Michela Bonora Stabilized articles
US7482397B2 (en) * 2003-01-13 2009-01-27 Eastman Chemical Company Polycarbonate compositions
US20040143041A1 (en) * 2003-01-13 2004-07-22 Pearson Jason Clay Polyester compositions
US7297735B2 (en) * 2003-03-05 2007-11-20 Eastman Chemical Company Polycarbonate compositions
US20040183053A1 (en) * 2003-03-20 2004-09-23 Pearson Jason Clay Process for the preparation of a hindered amine light stabilizer salt
ATE390460T1 (de) * 2003-03-05 2008-04-15 Eastman Chem Co Polymerblends
US20040180994A1 (en) * 2003-03-05 2004-09-16 Pearson Jason Clay Polyolefin compositions
BRPI0407952A (pt) * 2003-03-05 2006-03-07 Eastman Chem Co composição polimérica
US7338992B2 (en) * 2003-03-05 2008-03-04 Eastman Chemical Company Polyolefin compositions
US20050277713A1 (en) * 2003-03-05 2005-12-15 Pearson Jason C Polymer blends
US20040192813A1 (en) * 2003-03-20 2004-09-30 Pearson Jason Clay Polymer compositions containing an ultraviolet light absorbing compound
US6903162B2 (en) * 2003-07-01 2005-06-07 Equistar Chemicals, Lp Preparation of polyethylene films
US7175918B2 (en) * 2004-04-27 2007-02-13 Equistar Chemicals, Lp Polyolefin compositions
WO2006110236A1 (en) 2005-04-07 2006-10-19 Cytec Technology Corp. Compositions and method for preventing the photodecomposition of cyclic olefin copolymers
US7608327B2 (en) * 2005-12-20 2009-10-27 Equistar Chemicals, Lp High tear strength film
SI2155679T1 (sl) * 2007-05-31 2016-05-31 Basf Se Metoda za pripravo derivatov 4-formilaminopiperidina
ITMI20080739A1 (it) 2008-04-23 2009-10-24 3V Sigma Spa Ammine stericamente impedite oligomeriche e loro uso come stabilizzanti per polimeri
ITMI20080747A1 (it) 2008-04-24 2009-10-25 3V Sigma Spa Miscele di ammine stericamente impedite per la stabilizzazione di polimeri
EP2130854B1 (en) * 2008-05-09 2016-10-19 MCA Technologies GMBH Polytriazinyl compounds as flame retardants and light stabilizers
IT1393333B1 (it) * 2009-02-09 2012-04-20 3V Sigma Spa Nuove ammine stericamente impedite e loro uso come stabilizzanti per polimeri
JP5808326B2 (ja) 2009-08-18 2015-11-10 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ Ｕｖ安定化光電モジュール
US20110045265A1 (en) * 2009-08-20 2011-02-24 Haley Jeffrey C Polyolefin composition and film thereof
IT1399477B1 (it) 2010-03-15 2013-04-19 3V Sigma Spa Miscele di ammine stericamente impedite per la stabilizzazione di polimeri
MX363645B (es) 2010-07-12 2019-03-29 Styrolution Europe Gmbh Composiciones para moldear copolimeros de acrilonitrilo estabilizadas contra intemperización.
US9701813B2 (en) 2010-07-12 2017-07-11 Ineos Styrolution Europe Gmbh Weathering-stabilized acrylonitrile copolymer molding compositions
US8637607B2 (en) 2010-07-28 2014-01-28 Equistar Chemicals, Lp Polyethylene blends and films
IT1403086B1 (it) 2010-10-28 2013-10-04 3V Sigma Spa Nuove ammine stericamente impedite polimeriche e loro uso come stabilizzanti per polimeri
ITMI20110802A1 (it) 2011-05-10 2012-11-11 3V Sigma Spa Miscele di ammine stericamente impedite per la stabilizzazione di polimeri
BR112013032685B1 (pt) 2011-06-27 2020-03-24 Basf Se Composição de moldagem termoplástica, uso das composições de moldagem termoplásticas, e, peça moldada de qualquer tipo, uma fibra, ou uma folha
US8889769B2 (en) 2011-06-27 2014-11-18 Basf Se Weathering-resistant polyester molding compositions with styrene copolymers
CN103890071A (zh) 2011-09-29 2014-06-25 苯领股份公司 稳定聚碳酸酯/丙烯腈/苯乙烯/丙烯酸酯成型化合物
KR20140096037A (ko) 2011-09-29 2014-08-04 스티롤루션 게엠베하 폴리아미드 및 asa-공중합체로 이루어진 안정화 성형 화합물
EP2766429A1 (de) 2011-10-13 2014-08-20 Styrolution GmbH Stabilisierte polyamid-abs formmassen
EP2647664A1 (en) * 2012-04-04 2013-10-09 Cytec Technology Corp. Method for stabilizing polyolefin films against UV degradation
SA116370295B1 (ar) 2015-02-20 2016-12-06 باسف اس اى رقائق، وأشرطة وفتائل أحادية من البولي أوليفين مثبتة للضوء
JP6843831B2 (ja) 2015-07-27 2021-03-17 ビーエイエスエフ・ソシエタス・エウロパエアＢａｓｆ Ｓｅ 添加剤混合物
IT201700073726A1 (it) 2017-06-30 2018-12-30 3V Sigma Spa Ammine impedite polimeriche
US11225570B2 (en) 2017-07-05 2022-01-18 Ineos Styrolution Group Gmbh Thermoplastic resin composition with improved UV resistance
US11549008B2 (en) 2017-07-05 2023-01-10 Ineos Styrolution Group Gmbh Thermoplastic resin composition with improved UV resistance
CN111051428B (zh) 2017-07-05 2023-04-07 英力士苯领集团股份公司 抗紫外线能力增强的热塑性苯乙烯共聚物树脂组合物
IT201700078234A1 (it) 2017-07-11 2019-01-11 3V Sigma Spa Ammine impedite

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE412071B (sv) * 1975-03-21 1980-02-18 Montefibre Spa Stabiliserade polyolefinbaserade polymerkompositioner och motsvarande stabilisator
IT1061551B (it) * 1975-11-18 1983-04-30 Chimosa Chimica Organica Spa Compositi poliureici utilizzabili per la stabilizzazione di polimeri sintetici e procedimento per la loro preparazione
IT1052501B (it) * 1975-12-04 1981-07-20 Chimosa Chimica Organica Spa Composti politriazinici utilizzabili per la stabilizzazione di polimeri sintetici e procedimento per la loro preparazione
CH626109A5 (OSRAM) * 1976-05-11 1981-10-30 Ciba Geigy Ag
EP0003542B1 (de) * 1978-02-08 1981-11-25 Ciba-Geigy Ag Neue Polyalkylpiperidinderivate von s-Triazinen, ihre Verwendung als Stabilisatoren für Polymere und die so stabilisierten Polymere
DE2839711A1 (de) * 1978-09-13 1980-03-27 Hoechst Ag Neue polyalkylpiperidinpolymerisate, ihre herstellung und verwendung
US4315859A (en) * 1979-01-15 1982-02-16 Ciba-Geigy Corporation 1,3,5-Triazines containing at least one piperidine radical
US4265805A (en) * 1980-04-01 1981-05-05 American Cyanamid Company Polymeric light stabilizers containing tetralkyl piperidine moieties

Also Published As

Publication number Publication date
EP0070358B1 (en) 1987-01-21
DE3275187D1 (en) 1987-02-26
ES8308576A1 (es) 1983-10-01
ZA825147B (en) 1983-05-25
EP0070358A1 (en) 1983-01-26
JPH0112753B2 (OSRAM) 1989-03-02
JPS5818378A (ja) 1983-02-02
ATE25085T1 (de) 1987-02-15
US4331586A (en) 1982-05-25

Similar Documents

Publication Publication Date Title
ES514080A0 (es) Procedimiento para estabilizar polimeros contra la degradacion por radiacion ultravioleta.
AU534133B2 (en) Triazine derivatives used as stabilisers for synthetic polymers
DE3276700D1 (en) Novel light stabilizers for polymers
ES8407461A1 (es) "procedimiento para preparar derivados de 3-benciliden-alcanfor"
MX9305812A (es) 3-(2-aciloxietoxifenil)benzofuran-2-onas para utilizarse como estabilizantes.
MX155708A (es) Composicion polimerica estabilizada contra la luz ultravioleta
ES2090400T3 (es) Agentes para preservar materiales tecnicos del ataque por insectos.
IT8049060A0 (it) Procedimento per la polimerizzazio ne per irradiazione di composizioni di poliacrilati
ES2014207T5 (es) Composiciones cosmeticas que contienen un complejo cuprico del acido 3,5-diisopropil-salicilico para la proteccion contra los rayos ultravioleta y utilizacion de dicho compuesto en cosmetica.
ES2043725T3 (es) Aminofenil-carbamatos substituidos.
ES500855A0 (es) Procedimiento para estabilizar polimeros contra la degrada- cion por la luz
ES2143483T3 (es) Cromoionoforos arilazoicos.
BR8605773A (pt) Processo para preparacao de compostos,composicao polimerica estabilizada,e processo para estabilizar polimeros sinteticos contra a degradacao oxidativa induzida pela luz
SE8103580L (sv) N?726-substituerade adenosiner
BE855821A (fr) Decahydroquinoleines substituees, utiles comme stabilisants vis-a-vis de la lumiere ultra-violette
ES518241A0 (es) Procedimiento para la fabricacion de acil-2 hexahidro-1,3,4,6,7,11b-2h-piracino (2,1-a) isoquinoleinonas-4 e intermediarios.
JPS57501850A (OSRAM)
ES2081282T3 (es) Estabilizacion de polifenileneteres con compuestos de polialquilpiperidina macrociclicos.
MX160893A (es) Procedimiento para la preparacion de polibis-triazinilimidas,utiles como estabalizadores de polimeros
ITMI910594A1 (it) Composizioni stabilizzanti per polimeri organici
ATE92070T1 (de) Azachromanderivate.
BE888196A (fr) Procede de stabilisation des ethers de glycol.
ES531252A0 (es) Procedimiento para la obtencion de iminosulfonamidas
IT7969512A0 (it) Procedimento per la produzione del clorato di sodio mediante elettrolisi
IT8223515V0 (it) Occhiali senza lenti per la protezione dai raggi solari.