Mumbai, India

Hindustan Petroleum Corporation Limited is an Indian state-owned oil and natural gas company with its headquarters at Mumbai, Maharashtra and with Navratna status. HPCL has been ranked 260th in the Fortune Global 500 rankings of the world's biggest corporations and 4th among India's Companies for the year 2012. HPCL has about 25% marketing share in India among PSUs and a strong marketing infrastructure. The President of India owns 51.11% shares in HPCL. Wikipedia.


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Patent
Hindustan Petroleum Corporation | Date: 2015-05-06

The present subject matter relates to the development of active catalyst composite based on supported transition metal oxides, especially, Cu, Co that are effective in the removal sulfides in the diluted spent caustic. The process for the reduction of sulfides in spent caustic comprises of reacting various organic and inorganic sulfides with molecular oxygen in the presence of active catalyst at various reaction temperatures ranging ambient to 200 C. and pressures between atmospheric pressure to 60 bars. The process also relates to complete scheme for the removal of sulfides in spent caustic.


Patent
Hindustan Petroleum Corporation | Date: 2017-02-08

Accordingly, the present invention provides a catalyst composition suitable for converting light naphtha comprising one or more of C5 to C8 carbon atoms to aromatic compounds ranging from C6 to C10 carbon atoms, said catalyst composition comprising: (a) a medium pore size zeolite; (b) 0.1 to 5.0 wt% of zinc; and (c) 0.1 to 5 wt% of gallium. Also, the present invention provides a process for converting light naphtha comprising one or more of C5 to C8 carbon atoms to aromatic compounds ranging from C6 to C10 carbon atoms, said process comprising the step of contacting a feedstock comprising the light naphtha with a catalyst composition comprising (a) a medium pore size zeolite; (b) 0.1 to 5.0 wt% of zinc; and (c) 0.1 to 5 wt% of gallium in presence of carrier gas at temperatures ranging from 400 to 600C.


Patent
Hindustan Petroleum Corporation | Date: 2017-03-15

The present subject matter relates to the development of active catalyst composite based on supported transition metal oxides, especially, Cu, Co that are effective in the removal sulfides in the diluted spent caustic. The process for the reduction of sulfides in spent caustic comprises of reacting various organic and inorganic sulfides with molecular oxygen in the presence of active catalyst at various reaction temperatures ranging ambient to 200 C and pressures between atmospheric pressure to 60 bars. The process also relates to complete scheme for the removal of sulfides in spent caustic.


Patent
Hindustan Petroleum Corporation | Date: 2015-10-07

The present disclosure relates to a zeolite based catalyst composition comprising i. at least one rare earth metal, ii. at least one zeolite, and iii. optionally, at least one promoter; wherein, said rare earth metal is impregnated in said zeolite.The amount of said rare earth metal in said composition is in the range of 0.1 to 20 w/w%. The present disclosure also relates to a process for preparing a catalyst composition. Further, the present disclosure relates to a process for reducing olefin content in a hydrocarbon stream using the catalyst of the present disclosure.


Patent
Hindustan Petroleum Corporation | Date: 2015-10-07

The present disclosure relates to a catalyst composition comprising (a) at least one rare earth metal, (b) at least one zeolite, and (c) at least one diluent, wherein, said rare earth metal is impregnated in at least one of (b) and (c); the ratio of said zeolite to said diluent ranges from 1:9 to 9:1; and the amount of said rare earth metal is in the range of 0.1 to 20 w/w%. The present disclosure also relates to a process for preparing a catalyst composition. Further, the present disclosure relates to a process for reducing the olefin content in a hydrocarbon stream using the catalyst of the present disclosure.


Patent
Hindustan Petroleum Corporation | Date: 2015-03-27

The present disclosure relates to a catalyst composition comprising (a) at least one rare earth metal, (b) at least one zeolite, and (c) at least one diluent, wherein, said rare earth metal is impregnated in at least one of (b) and (c); the ratio of said zeolite to said diluent ranges from 1:9 to 9:1; and the amount of said rare earth metal is in the range of 0.1 to 20 w/w %. The present disclosure also relates to a process for preparing a catalyst composition. Further, the present disclosure relates to a process for reducing the olefin content in a hydrocarbon stream using the catalyst of the present disclosure.


Patent
Hindustan Petroleum Corporation | Date: 2015-03-31

The present disclosure relates to a zeolite based catalyst composition comprising i. at least one rare earth metal, ii. at least one zeolite, and iii. optionally, at least one promoter; wherein, said rare earth metal is impregnated in said zeolite. The amount of said rare earth metal in said composition is in the range of 0.1 to 20 w/w %. The present disclosure also relates to a process for preparing a catalyst composition. Further, the present disclosure relates to a process for reducing olefin content in a hydrocarbon stream using the catalyst of the present disclosure.


Patent
Hindustan Petroleum Corporation | Date: 2015-12-15

A catalyst composition is provided for isomerization of paraffins comprising of at least one heteropoly acid and reduced graphene oxide. Further provided are a process for preparation of the catalyst composition and a process for isomerization of paraffins using the catalytic composition.


Patent
Hindustan Petroleum Corporation | Date: 2015-12-15

A catalyst composition for isomerization of paraffins includes at least one metal, at least one heteropoly acid and a support material. Further provided are a process for preparation of the catalyst composition and a process for isomerization of paraffins using the catalytic composition.


Patent
Hindustan Petroleum Corporation | Date: 2016-11-30

The application relates to peptide-based compounds of Formula I such as the compound of Formula II, methods of making such compounds, gels comprising such compounds, methods of making gels, methods of using such compounds for containing the spill of a hydrocarbon, and methods for reclaiming solvent from gels comprising such compounds.

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