HYDROXYARYLQUINAZOLINES AND THEIR USE AS UV-ABSORBERS

• Main Authors: RICHARD PATER, JAN-ERIK ANDERS OTTERSTEDT
• Format: Patent
• Language: English
• Published: 25.01.1972
• Subjects: 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

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...