Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for bleaching high yield pulp with hydrogen peroxide by adjusting the alkalinity during bleaching with sodium hydroxide

Process for bleaching high yield pulp with hydrogen peroxide by adjusting the alkalinity during bleaching with sodium hydroxide

US Patent 5169495 · Granted Dec 8, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Device and method for treating the black liquor resulting from pulping by hydrot2019
Method for treating chemical pulps by treatment with ozone in the presence of ma2018
Method for bleaching chemical paper pulps by final ozone treatment at high tempe2012
Process for preparing chemical paper pulps by cooking, intermediate grinding and1988
Process for bleaching a mechanical pulp with hydrogen peroxide1988