Patents by Inventor Rai J. Mehta

Rai J. Mehta 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).

  • Substituted 3-thioacryloyl compounds and their use as antimicrobial agents
    Patent number: 5464832
    Abstract: A thioacryloyl compound of the formula ##STR1## wherein Z is selected from the group consisting of OR, R and NR.sup.1 R.sup.2 ;R is selected from the group consisting of hydrogen; (C.sub.1 -C.sub.18)alkyl; (C.sub.1 -C.sub.8)alkenyl; (C.sub.1 -C.sub.8)haloalkynyl; 2-(5-chlorothienyl)methyl; phenyl optionally substituted with one or more substituents selected from the group consisting of halo-, (C.sub.1 -C.sub.3)alkoxy-, nitro-, and (C.sub.1 -C.sub.3)alkyl; phenacyl optionally substituted with one or more substituents selected from the group consisting of ring halo-, (C.sub.1 -C.sub.3)alkoxy-, nitro-, and (C.sub.1 -C.sub.3)alkyl; arylalkyl optionally substituted with one or more substituents selected from the group consisting of ring halo-, (C.sub.1 -C.sub.3)alkoxy-, nitro-, and (C.sub.1 -C.sub.3)alkyl;R.sup.1 and R.sup.2 are independently selected from (C.sub.1 -C.sub.8)alkyl and phenyl, or R.sup.1 and R.sup.
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: November 7, 1995
    Assignee: Rohm and Haas Company
    Inventors: Peter Osei-Gyimah, Samuel E. Sherba, Barry C. Lange, Rai J. Mehta, Rhoda W. Joseph
  • Antialgal compositions comprising diphenylethers and lysozyme, methods of controlling algae, and coating compositions comprising the antialgal compositions
    Patent number: 5069717
    Abstract: A synergistic antialgal composition comprising substituted fluoroalkyl diphenylethers and lysozyme in a ratio to each other which exhibits synergism is disclosed. A particularly effective combination is based on oxyfluorfen and lysozyme for use in protecting aqueous systems, such as latices and cooling water systems, from algal growth.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: December 3, 1991
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Rai J. Mehta