Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage

Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage

US Patent 5011572 · Granted Apr 30, 1991

Estimated economic value: $5,560,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pretreatment methods for cotton textile waste fabric2025
Tissue paper with reduced fiber and methods of manufacture2024
Paper-strength agents and methods for improving pulp products2016
Selective enzymatic oxidation of aromatic methyl groups to aldehydes by oxygen i1999
Method of oxidatively treating a substrate with an equilibrium mixture of caro's1997
Process for preparing a bleaching liquor containing percarboxylic acid and caro'1996
High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process1993
Process for the delignification of cellulosic substances by pretreating with a c1989
Process for delignification of cellulosic substances by pretreating with a compl1989