Patents by Inventor Sheo Satish

Sheo Satish 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).

  • Heterogeneous Pd catalysts and microwave irradiation in heck arylation
    Publication number: 20030100625
    Abstract: Microwave-assisted Heck arylations are disclosed using various dispersed Pd systems including the novel Pd/MgO and Pd/SiO2—Al2O3 catalyst.
    Type: Application
    Filed: October 12, 2001
    Publication date: May 29, 2003
    Inventors: S. Muthukumaru Pillai, A. Wali, Sheo Satish
  • Process for manufacture of linear alpha-olefins using a titanium component and an organoaluminum halide component
    Patent number: 6121502
    Abstract: A process for the manufacture of linear alpha-olefins is disclosed. The process employs, for the purposes of oligomerizing an unsaturated aliphatic hydrocarbon to linear alpha-olefins, a catalyst mixture comprising titanium aryl and/or titanium alkoxide, organoaluminum halide and optionally one or more additives selected from a group containing phosphorus, oxygen and sulphur compounds.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: September 19, 2000
    Assignee: Indian Petrochemicals Corporation Limited
    Inventors: Gopal Laxman Tembe, Ashis Ranjan Bandyopadhyay, S. Muthukumaru Pillai, Sheo Satish, M. Ravindranathan
  • Process for the preparation of low molecular weight alpha olefins
    Patent number: 6013850
    Abstract: A process to maximize the production of low molecular weight alpha olefins from ethylene is disclosed. The process comprises oligomerizing ethylene in the presence of a catalyst, of titanium aryloxide and/or titanium alkoxide; alkyl aluminum halide and triaryl phosphine and/or trialkyl phosphine in the temperature range of 80.degree. C. to 110.degree. C. at substantially low pressures of from 60 to 150 psi. A continuous supply of ethylene is maintained.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: January 11, 2000
    Assignee: Indian Petrochemicals Corporation Limited
    Inventors: G. L. Tembe, S. Muthukumaru Pillai, Sheo Satish, M. Ravindranathan
  • Preparation of polycarbonates with bioxyanion catalyst
    Patent number: 5288838
    Abstract: The invention discloses an improved process for the preparation of aryl polycarbonates. The process involves reacting aryl carbonate and dihydric phenol in the melt phase with a catalyst belonging to the class of quaternary ammonium bioxyanions having the general formula: ##STR1## Wherein `X` represents a carboxylate or a phenolate group or a mixture thereof and `R` represents alkyl or aryl.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: February 22, 1994
    Assignee: Council of Scientific & Industrial Research
    Inventors: Swaminathan Sivaram, Jagdish C. Sehra, Venkat S. Iyer, Ishwar S. Bhardwaj, Sheo Satish