FR1368733A - Perfectionnements aux procédés de préparation de matériaux résineux à grande dureté de surface à la rayure et produits obtenus
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Perfectionnements aux procédés de préparation de matériaux résineux à grande dureté de surface à la rayure et produits obtenus
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BROOKAPRK
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BROOKAPRK
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Priority to FR874501ApriorityCriticalpatent/FR1368733A/fr
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C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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Chemical & Material Sciences
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Chemical Kinetics & Catalysis
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Medicinal Chemistry
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Polymers & Plastics
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Organic Chemistry
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FR874501A1961-09-281961-09-28Perfectionnements aux procédés de préparation de matériaux résineux à grande dureté de surface à la rayure et produits obtenus
ExpiredFR1368733A
(fr)
Dispositif de chanfreinage, en particulier des pièces à travailler se présentant sous forme de panneaux, en bois, matières plastiques ou en un matériau analogue