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US 4,400,495 AGranted
Wood modifying composition
AssigneeBelorussky Politekhnichesky Institute
InventorsGennady M. Shutov, Maiya E. Erdman, Adel I. Solomakha, Evgeny A. Kalennikov
Life of this patent
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Abstract
Disclosed is a wood modifying composition comprising the following components taken in percent by mass: ______________________________________ phenol-furfural-formaldehyde resin 72.0 to 94.0 catalyst 0.8 to 1.5 stabilizing agent 0.5 to 1.5 organic solvent the balance to 100. ______________________________________
Claims4
A wood modifying composition comprising the following components take in percent by mass:
- ______________________________________ phenol-furfural-formaldehyde resin 72.0 to 94.0 benzensulfonic acid catalyst 0.8 to 1.5 stabilizing agent selected from the group consisting of ferrocene, monoacetylferrocene and mixtures thereof 0.5 to 1.5 acetone the balance to 100 ______________________________________
Dependencies are inferred from the claim text.