Di- and tri-benzotriazole substituted tri-hydroxybenzenes

Patent · 06 October 1983

OSTI ID:6856502

Vogl, O; Li, S

Ultraviolet light stabilizing compounds of the formula (phenyl) R/sub 1/, R/sub 2/(OH)/sub 3/R/sub 3/, are described, wherein R/sub 1/, R/sub 2/, and R/sub 3/ are hydrogen or 2H-benzotriazole-2-yl groups and wherein no more than one of R/sub 1/, R/sub 2/, and R/sub 3/ is hydrogen, and organic compositions susceptible to ultraviolet light degradation containing these compounds, and method for selectively producing the compounds.

• DOE Contract Number: AI01-76ET20356
• Assignee: Dept. of Energy
• Patent Number(s): None
• Application Number: ON: DE84011291
• OSTI ID: 6856502
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ABSORPTION
AROMATICS
AZOLES
CHEMICAL REACTIONS
DERIVATIZATION
ELECTROMAGNETIC RADIATION
HETEROCYCLIC COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
POLYMERS
RADIATIONS
STABILIZATION
SYNTHESIS
TRIAZOLES
ULTRAVIOLET RADIATION