NOVEL DIFUNCTIONAL PHOTOINITIATORS
The invention relates to .alpha.-hydroxy ketones of formula I or IIa; or mixtures of compounds of formula I and II; or mixtures of compounds of formulae Ia and IIa
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The invention relates to .alpha.-hydroxy ketones of formula I or IIa; or mixtures of compounds of formula I and II; or mixtures of compounds of formulae Ia and IIa |
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