Patent ID: 11912656
Assignee: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO
Field: Surface technology, coating (Chemistry)
Classification: CPC C  Y | IPC C

Claim 10:
11. The process according to claim 1, wherein said step b) of oxidizing said 5-hydroxy-2(5H)-furanone and/or cis-β-formylacrylic acid to maleic acid or a derivative thereof is preceded by a step a) of oxidizing a furanic compound according to formula I into said 5-hydroxy-2(5H)-furanone and/or cis-β-formylacrylic acid,, , wherein R1 is H, CH2OH, CO2H or CHO and R2 is H, OH, C1-C6 alkyl or O(C1-C6 alkyl), esters, ethers, amides, acid halides, anhydrides, carboximidates, nitriles, and salts of formula I.