Patents by Inventor Lal G. Ramdeen

Lal G. Ramdeen 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).

  • Preservation of cosmetic compositions
    Patent number: 4966754
    Abstract: A cosmetic composition containing a dermatologically acceptable carrier or vehicle and certain essential oils as a preservative. The essential oil provides antimicrobial assurance against Apergillus niger, Candida albicans, Staphylococcus aureus and Pseudomonas aeruginosa. A method of preparing the preserved cosmetic composition is also described.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: October 30, 1990
    Assignee: Aveda Corporation
    Inventors: Prakash C. Purohit, Lal G. Ramdeen