Liquid ultraviolet stabilizer and method

Details Liquid ultraviolet stabilizer and method Liquid ultraviolet stabilizer and method

1995-08-23

1997-02-11

Reamer, James H.

Compositions

Light transmission modifying compositions

Ultraviolet

252401, 252404, 568333, F21V 904

Patent

active

056017561

ABSTRACT:
Liquid UV stabilizers which are stable at room temperatures or below made from di-substituted and tri-substituted benzophenone compositions. A process to render di-substituted and tri-substituted benzophenone admixtures stable liquids at room temperatures or below involving heating the admixture to a temperature in the range of 80.degree.-175.degree. C. for a period of time sufficient that when the admixture is cooled to room temperature the admixture remains liquid.

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