Patents by Inventor Paritosh Mohan Chakrabarti

Paritosh Mohan Chakrabarti has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Anti-static fabric softening compositions and processes for drying and softening textiles therewith
    Patent number: 4121009
    Abstract: Improved anti-static fabric softening compositions, that are obtainable from certain amphoteric surface active agents, are especially useful in processes for household clothes' drying without adversely affecting the rewetting or soil-release properties of the softened fabric.
    Type: Grant
    Filed: September 14, 1976
    Date of Patent: October 17, 1978
    Assignee: GAF Corporation
    Inventor: Paritosh Mohan Chakrabarti
  • Tertiary amide amphoteric surface active agents and process for their manufacture
    Patent number: 3941817
    Abstract: Improved amphoteric surface active agents are obtained from tertiary amides that have been formed by condensation of esters of fatty acids with an aminoalkyl alkanolamine, e.g., aminoethyl ethanolamine, under special conditions, by conventional carboxymethylation with ClCH.sub.2 CO.sub.2 Na or ClCH.sub.2 CO.sub.2 H. The resultant amphoteric surface active agents are especially useful as wetting agents, forming agents, emulsifiers, etc., and in the manufacture of improved shampoos.
    Type: Grant
    Filed: September 3, 1974
    Date of Patent: March 2, 1976
    Assignee: GAF Corporation
    Inventor: Paritosh Mohan Chakrabarti