Patent
 (1991)

Lignin removal method using ozone and acetic acid

Nimz, H.H.; Berg, A.

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Fecha de publicación: 1991
URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=HITOFF&p=1&u=/netahtml/PTO/search-bool.html&r=1&f=G&l=50&d=PALL&RefSrch=yes&Query=PN/5074960
DOI:

US 5074960 A
Notas: Granted. Also protected in Europe (EU0325890), Brazil (BR8900299), Canada (CA1319472), Germany (DE3881676D), Spain (ES2041828T), Japan (JP1221587).