Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Imperial Chemical Industries Ltd
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British Dyestuffs Corp Ltd
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Publication date
Application filed by British Dyestuffs Corp LtdfiledCriticalBritish Dyestuffs Corp Ltd
Application grantedgrantedCritical
Publication of FR656647ApublicationCriticalpatent/FR656647A/en
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
C08G2/30—Chemical modification by after-treatment
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Medicinal Chemistry
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Polymers & Plastics
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FR656647D1927-07-071928-06-29
Improvements in the preparation of phenolic resins
ExpiredFR656647A
(en)