MX9305786A - Composiciones fotocromaticas con resistencia a la fatiga mejorada. - Google Patents

Composiciones fotocromaticas con resistencia a la fatiga mejorada.

Info

Publication number
MX9305786A
MX9305786A MX9305786A MX9305786A MX9305786A MX 9305786 A MX9305786 A MX 9305786A MX 9305786 A MX9305786 A MX 9305786A MX 9305786 A MX9305786 A MX 9305786A MX 9305786 A MX9305786 A MX 9305786A
Authority
MX
Mexico
Prior art keywords
fatigue resistance
improved fatigue
manometers
photochromatic
compositions
Prior art date
Application number
MX9305786A
Other languages
English (en)
Inventor
John S Ligas
Michael S Misura
Cletus N Welch
Original Assignee
Ppg Industries Inc
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 Ppg Industries Inc filed Critical Ppg Industries Inc
Publication of MX9305786A publication Critical patent/MX9305786A/es

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters
    • 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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • 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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/005—Stabilisers against oxidation, heat, light, ozone
    • 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
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/45—Heterocyclic compounds having sulfur in the ring
    • C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring

Abstract

Se proporcionan artículos ópticos fotocromáticos con una mejor resistencia a la fatiga de la luz mediante el uso de una combinación de fotoestabilizante de amina impedida y fotoestabilizante de diariloxalamida asimétrico con una mezcla de (1) un material fotocromático con una transmisión luminosa mínima dentro del intervalo de 560 a 630 manómetros y (29) material fotocromático con una transición luminosa mínima dentro del intervalo de 430 a 520 manómetros.
MX9305786A 1992-09-25 1993-09-21 Composiciones fotocromaticas con resistencia a la fatiga mejorada. MX9305786A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US95128492A 1992-09-25 1992-09-25

Publications (1)

Publication Number Publication Date
MX9305786A true MX9305786A (es) 1994-05-31

Family

ID=25491526

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9305786A MX9305786A (es) 1992-09-25 1993-09-21 Composiciones fotocromaticas con resistencia a la fatiga mejorada.

Country Status (11)

Country Link
US (1) US5391327A (es)
EP (1) EP0728315B1 (es)
JP (1) JPH08502130A (es)
AU (1) AU666042B2 (es)
BR (1) BR9307220A (es)
CA (1) CA2144084C (es)
DE (1) DE69327410T2 (es)
ES (1) ES2143511T3 (es)
MX (1) MX9305786A (es)
SG (1) SG47753A1 (es)
WO (1) WO1994008260A1 (es)

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Also Published As

Publication number Publication date
US5391327A (en) 1995-02-21
EP0728315B1 (en) 1999-12-22
DE69327410T2 (de) 2000-05-11
BR9307220A (pt) 1999-05-25
JPH08502130A (ja) 1996-03-05
ES2143511T3 (es) 2000-05-16
SG47753A1 (en) 1998-04-17
WO1994008260A1 (en) 1994-04-14
AU666042B2 (en) 1996-01-25
CA2144084C (en) 1999-01-12
CA2144084A1 (en) 1994-04-14
EP0728315A1 (en) 1996-08-28
DE69327410D1 (de) 2000-01-27
AU4840993A (en) 1994-04-26
EP0728315A4 (en) 1995-11-23

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