Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Chemical treatments in bleaching stages which increase pulp brightness

Chemical treatments in bleaching stages which increase pulp brightness

US Patent 4238282 · Granted Dec 9, 1980

Estimated economic value: $3,153,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Polymers for additive manufacturing2024
Tubular implants with controlled biodegradation2024
Polymers for additive manufacturing2023
Polymers for additive manufacturing2023
Pulp refining process and additive therefor1983