Patents Examined by U. K. Rajouru
  • Paper sizing composition
    Patent number: 6268414
    Abstract: Paper sizing compositions comprising (a) cellulose-reactive size, (b) dispersant system comprising primary anionic dispersant, and secondary dispersant selected from cationic and/or non-ionic dispersant, and (c) inorganic salt.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: July 31, 2001
    Assignee: Hercules Incorporated
    Inventor: Tingdong Lin