Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cationic water-soluble polymer precipitation in salt solutions

Cationic water-soluble polymer precipitation in salt solutions

US Patent 5885032 · Granted Mar 23, 1999

Estimated economic value: $15,123,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Formation of n-protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazine2025
Diketopiperazine microparticles with defined specific surface areas2025
Methods for the synthesis of activated ethylfumarates and their use as intermedi2025
Friction reducers for high TDS brines2024
Formation of N-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a c2024
Charge developing polymer compositions and methods of use for for enhanced oil r2024
Diketopiperazine microparticles with defined specific surface areas2023
Methods for the synthesis of activated ethylfumarates and their use as intermedi2022
Formation of N-protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazine2022
Formation of N-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a c2022
Formation of N-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a c2020
Methods for the synthesis of activated ethylfumarates and their use as intermedi2020