MX9704917A - Telomeros de vinilo nco-terminales. - Google Patents

Telomeros de vinilo nco-terminales.

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Publication number
MX9704917A
MX9704917A MX9704917A MX9704917A MX9704917A MX 9704917 A MX9704917 A MX 9704917A MX 9704917 A MX9704917 A MX 9704917A MX 9704917 A MX9704917 A MX 9704917A MX 9704917 A MX9704917 A MX 9704917A
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MX
Mexico
Prior art keywords
telomers
nco
vinyl
contact lenses
production
Prior art date
Application number
MX9704917A
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English (en)
Other versions
MXPA97004917A (es
Inventor
Peter Chabrecek
Dieter Lohmann
Kurt Dietliker
Original Assignee
Novartis Ag
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Publication date
Application filed by Novartis Ag filed Critical Novartis Ag
Publication of MX9704917A publication Critical patent/MX9704917A/es
Publication of MXPA97004917A publication Critical patent/MXPA97004917A/es

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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
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    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
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    • C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
    • C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C271/20—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups
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    • C07C271/24—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a ring other than a six-membered aromatic ring
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    • C07C271/28—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a non-condensed six-membered aromatic ring
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    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
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    • C08G18/67—Unsaturated compounds having active hydrogen
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    • C08G18/72—Polyisocyanates or polyisothiocyanates
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
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Abstract

La invencion se refiere a novedosos telomeros de vinilo NCO-terminales, los cuales son adecuados particularmente para la modificacion de superficies y como material de recubrimiento, pero además para la obtencion de compuestos polimerizables o copolímeros de bloque, los cuales se pueden transformar en polímeros, o bien, en cuerpos moldeados, particularmente lentes de contacto. En el caso de los telomeros de vinilo OCN-terminales, se trata de compuestos de la formula I, en donde, PI* representa un radical bivalente de un fotoiniciador, A representa un radical 1,2-etileno bivalente sustituido, el cual se deriva de un monomero de vinilo copolimerizable reemplazando el enlace doble del vinilo por un enlace sencillo, cada Ra, independientemente entre sí, representa un grupo univalente, el cual es adecuado para servir como interruptor de cadena de una polimerizacion, y p representa un numero entero de 3 a 500. Los telomeros de vinilo OCN-funcionales encuentran aplicacion en la obtencion de macromeros así como de copolímeros de bloque, peine, estrella e injerto, que sirven de preferencia para la fabricacion de lentes de contacto. Más allá, estos telomeros sirven para el recubrimiento de superficies de distintos tipos, particularmente de superficies de lentes de contacto.
MXPA/A/1997/004917A 1994-12-30 1997-06-30 Telomeros de vinilo nco-terminales MXPA97004917A (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH3967/94-8 1994-12-30
CH3968/94-0 1994-12-30
CH396794 1994-12-30
CH396894 1994-12-30
PCT/CH1995/000310 WO1996020795A1 (de) 1994-12-30 1995-12-27 Nco-terminale vinyltelomere

Publications (2)

Publication Number Publication Date
MX9704917A true MX9704917A (es) 1997-10-31
MXPA97004917A MXPA97004917A (es) 1998-07-03

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Publication number Publication date
EP0800541B1 (de) 1999-02-24
DK0793541T3 (da) 2000-04-10
JPH10512308A (ja) 1998-11-24
JP4375811B2 (ja) 2009-12-02
PL321142A1 (en) 1997-11-24
CN1173148A (zh) 1998-02-11
NO973019L (no) 1997-08-26
GR3029377T3 (en) 1999-05-28
BR9510122A (pt) 1997-12-30
NZ297369A (en) 1998-12-23
CZ206197A3 (en) 1997-10-15
EP0800657B1 (de) 1998-11-25
AU4251696A (en) 1996-07-24
ATE173742T1 (de) 1998-12-15
EP0793541A1 (de) 1997-09-10
JPH10512000A (ja) 1998-11-17
DE59505153D1 (de) 1999-04-01
FI972738A (fi) 1997-06-30
ES2138246T3 (es) 2000-01-01
KR987001001A (ko) 1998-04-30
NO973019D0 (no) 1997-06-27
AU4251496A (en) 1996-07-24
AU701751B2 (en) 1999-02-04
BR9510434A (pt) 1999-10-13
DE59504366D1 (de) 1999-01-07
NO973020D0 (no) 1997-06-27
NO973018L (no) 1997-08-19
US6087412A (en) 2000-07-11
ATE176915T1 (de) 1999-03-15
ATE184812T1 (de) 1999-10-15
CN1173227A (zh) 1998-02-11
DE59506915D1 (de) 1999-10-28
EP0800657A1 (de) 1997-10-15
FI972611A0 (fi) 1997-06-18
MX9704919A (es) 1997-10-31
JP3560980B2 (ja) 2004-09-02
CN1171798A (zh) 1998-01-28
JPH10512239A (ja) 1998-11-24
ES2125676T3 (es) 1999-03-01
NO973020L (no) 1997-08-26
WO1996021167A1 (de) 1996-07-11
CA2208967A1 (en) 1996-07-11
WO1996020964A1 (de) 1996-07-11
CA2208996A1 (en) 1996-07-11
AU4251596A (en) 1996-07-24
FI972737A0 (fi) 1997-06-25
MX9704920A (es) 1997-10-31
WO1996020795A1 (de) 1996-07-11
NO973018D0 (no) 1997-06-27
EP0800541A1 (de) 1997-10-15
ES2128110T3 (es) 1999-05-01
FI972737A (fi) 1997-08-27
CA2208977A1 (en) 1996-07-11
FI972611A (fi) 1997-06-18
EP0793541B1 (de) 1999-09-22
GR3032210T3 (en) 2000-04-27
FI972738A0 (fi) 1997-06-25
DK0800657T3 (da) 1999-08-09
HUT77423A (hu) 1998-04-28
AU692979B2 (en) 1998-06-18

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