Oxygen Attached Indirectly To The -c(=o)o- Group By Nonionic Bonding Patents (Class 106/186.1)
Benzene ring attached directly or indirectly to the -c(=o)o- group by nonionic bonding (Class 106/186.2)
  • Dispersible water soluble polymers
    Patent number: 6197100
    Abstract: Composition comprising water soluble polymer, such as cellulose ethers, guar, or derivatives thereof and surfactant, such as sorbitan esters, improves dispersibility of polymer in aqueous media.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: March 6, 2001
    Assignee: Hercules Incorporated
    Inventor: Mohand Melbouci