Verfahren zum Schützen von nicht textilen Materialien gegen Ultraviolettstrahlen

1,249,370. Laminated glass. E. I. DU PONT DE NEMOURS & CO. 11 July, 1969 [12 July, 1968], No. 35033/69. Heading B5N. [Also in Divisions C2, C3 and D1] A tinting ink comprising polyvinyl butyral, Violet 2R Base, Oil Blue A and 2,4-bis(2,4-dihydroxyphenyl)quinazoline (as photostabilizer) in dimeth...

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Hauptverfasser:	PATER,RICHARD, ANDERS OTTERSTEDT,JAN-ERIK
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR HETEROCYCLIC COMPOUNDS LAUNDERING METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Zusammenfassung:	1,249,370. Laminated glass. E. I. DU PONT DE NEMOURS & CO. 11 July, 1969 [12 July, 1968], No. 35033/69. Heading B5N. [Also in Divisions C2, C3 and D1] A tinting ink comprising polyvinyl butyral, Violet 2R Base, Oil Blue A and 2,4-bis(2,4-dihydroxyphenyl)quinazoline (as photostabilizer) in dimethylformamide is printed on plasticized polyvinylbutyral sheeting, the latter seasoned at 65 degrees for 6 days, conditioned to 23% relative humidity and laminated in clear plate and heat absorbing glass. The products are useful as tinted automotive windshields.