Patents by Inventor Manjit Singh Chowdhary

Manjit Singh Chowdhary 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).

  • Process for producing polysaccharides and their use as absorbent materials
    Patent number: 5801116
    Abstract: A solid composition of matter comprising one or more polysaccharides which has a coarse particle size is provided. The composition demonstrates absorbent properties and is useful in absorbent articles of manufacture. Also provided is a method for preparing the compositions.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: September 1, 1998
    Assignee: Rhodia Inc.
    Inventors: Ian William Cottrell, Animesh Goswami, Manjit Singh Chowdhary
  • Derivatized guar gum composition including nonionic and cationic groups which demonstrate excellent solution clarity properties
    Patent number: 5756720
    Abstract: Nonionic and cationic derivatized guar gum which demonstrates greater than 75% light transmission at a wavelength of from about 500-600 nanometers when dispersed in water in the amount of 0.5 parts per 100 parts water and the process for producing such guar gum is disclosed. The compositions are particularly useful for producing products having utility in personal care and industrial cleaning products.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: May 26, 1998
    Assignee: Rhodia Inc.
    Inventor: Manjit Singh Chowdhary
  • Cleaning compositions including derivatized guar gum composition including nonionic and cationic groups which demonstrate excellent solution clarity properties
    Patent number: 5733854
    Abstract: A detergent composition useful for cleaning and/or conditioning human hair or skin or cleaning dishes or clothing which contains NaCl or NH.sub.4 Cl and further contains a nonionically and cationically derivatized polygalactomannan, the molecular substitution of the nonionic substituent being between about 0.4 and about 1.2 and the degree of substitution of the cationic substituent being between about 0.20 to about 1.0, said detergent composition having a viscosity of greater than about 500 centipoises and said composition having greater than 75% light transmission at a wavelength of from about 500-600 nanometers is provided. Also disclosed is the use of an amphoteric and nonionic substituted derivatized polygalactomannan for such uses.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: March 31, 1998
    Assignee: Rhone-Poulenc Inc.
    Inventors: Manjit Singh Chowdhary, Fred Robinson