Indian Oil Corporation Limited

Ajay Kumar Arora

Suresh Kumar Puri

Vivekanand Kagdiyal

Sankara Sri Venkata Ramakumar

Sanjiv Kumar Mazumdar

Deepak Kumar Tuli

Rakesh Sarin

Deepak Saxena

Tanmay Mandal

Brijesh Kumar

Ravinder Kumar Malhotra

Akhilesh Kumar Bhatnagar

Santanam Rajagopal

Ram Prakash Verma

Meeta Sharma

Maya Chakradhar

Prakash Shanti

Shanti Prakash

Krishnarao Lopinti

Debasis Bhattacharyya

Ram Mohan Thakur

Terapalli Hari Venkata Devi Prasad

Anurag Ateet Gupta

Sarvesh Kumar

Alok Sharma

Jagdev Kumar Dixit

Niranjan Raghunath Raje

Krishan Kumar Swami

Rajesh

Anand Kumar

Ashok Kumar Tiwari

Rajiv Ranjan

Ajay Kumar

Rajeev Ranjan

Pradeep Ponoly Ramachandran

Surbhi Semwal

Anil Yadav

Saeed Ahmed

Manisha Saraswat

Ravi B Kumar

Krishna Vankudoth

Pankaj Kumar Mandal

Ramadoss Suresh

Tammy Mandal

The present invention discloses additive package comprising a mixture of (a) 6-10% by weight of fatty acid (b) 7-15% by weight of alkoxy ether and (c) 60-85% by weight of linear or branched chain monohydroxylated aliphatic saturated alcohol (C2-C8) for improving stability of mixtures of methanol-gasoline, ethanol-gasoline blends containing at least 5-15% by volume of short chain alkanol (methanol/ethanol). The additive composition is added to the alcohol-gasoline blends to improve low temperature stability, provides corrosion protection and to normalize vapor pressure of methanol/ethanol-gasoline blends.

Additive composition for enhanced stability of oxygenated gasoline

The present invention provides a one-pot process of synthesis of phenyl naphthalene compounds that are employed as heat transfer agents. More particularly, the present invention provides a process of preparation of 1-phenylnaphthalene and 2-methyl-1-phenylnaphthalene using refinery spent catalyst. These molecules are known for application as synthetic heat transfer fluids that deliver outstanding performance and thermal stability at continuously high operating temperatures. The reaction is carried out in aqueous medium using a spent catalyst which is a palladium based charcoal catalyst as obtained from various refinery processes. Further, the present invention provides a heat resistant formulation using the synthesized polyhydrocarbons, wherein the formulation is optimized with a free radical scavenger.

Process for synthesis of polyhydrocarbons as heat transfer agents

The present invention relates to development of high performing oil soluble and water dispersible corrosion inhibitor composition for mitigating internal corrosion of crude oil pipelines during storage and transportation of crude oils. The developed composition consists of acid-amine complex as corrosion inhibiting agent, mixture of organic acids as dispersing agent and ester derivative of alkylated phenol for better film formation. The present invention further relates to a process of preparation of the oil soluble and water dispersible corrosion inhibitor composition and subsequently a process for protecting the corrosion of internal metal surface of crude oil transportation pipelines using the corrosion inhibitor composition.

Mitigating internal corrosion of crude oil transportation pipeline

The present invention discloses a single package additive for improving lubricity and conductivity properties of ultra-low sulfur diesel fuels. The single package additive is a reaction product of a fatty acid composition, a glycerol tricarboxylates, a polysulfone, a polyamine, an alkylated benzene sulfonic acid and a phenol derivative. More specifically, the present invention discloses a reaction product of: a fatty acid composition in the range of 60-95% wt/wt; a glycerol tricarboxylate in the range of 0.1-10.0% wt/wt; a polysulfone in the range of 0.1-5.0% wt/wt; a polyamine in the range of 0.1-5.0% wt/wt; an alkylated benzene sulfonic acid in the range of 0.1-5.0% wt/wt; and a phenol derivative in the range of 0.1-10.0% wt/wt. The present invention also discloses a single-pot process for the preparation of said reaction product.

Lubricity and conductivity improver additive for ultra low sulfur diesel fuels

The present invention relates to the low cost high performing corrosion inhibitor composition and process for preparation thereof. The corrosion inhibitor comprises of an ester of cashew nut shell liquid (CNSL), a dimer fatty acid (DFA), a long chain amine and a solvent. The corrosion inhibitor composition prevents corrosion of internal metal surface of pipelines due to petroleum products.

Corrosion inhibitor composition for pipelines

The present invention provides a delayed coking process comprising a step of subjecting a mixed feed comprises residual heavy hydrocarbon feedstock and bio oil obtained from fast pyrolysis of lignocellulosic biomass of one or more of Jatropha, Cashew nut, Karanjia and Neem to a delayed coking process and a system for the delayed coking process.

Delayed coking process

The present invention relates to a single-pot method for preparing dialkyl carbonates, the method comprises reaction of alkylene oxide with aliphatic or cyclic aliphatic alcohol, using wood ash catalyst, under COpressure and heating the reaction mixture thereof to obtain dialkyl carbonates.

Single-pot synthesis of dialkyl carbonates using catalyst from natural resource

The invention describes process for demetallation of vegetable oils and animal fats to reduce metal content below 1 ppm to make them suitable for hydroprocessing feedstocks. The process comprises acid treatment with very low concentration of acids, utilizing synergistic effect of phosphoric acid and citric acid, followed by counter-current treatment with clay without intermediate step of water washing and treatment with ion exchange resin.

Process for removal of metals from oils/fats

The present invention relates to a additive composition for use as lubricity improver for low sulphur diesel, comprising c) 0.1-10% by weight of ester derivative derived from cashew nut shell liquid (CNSL esters) of formula (I); f) 0.1-10% by weight of ester derivative derived from cashew nut shell liquid of formula (II); g) 50-95% by weight of free fatty acid of the formula RCOOH in which R represents an alkyl/alkenyl group with 12 to 24 carbon atoms. h) 1-30% by weight of synthetic esters derived by esterifying tri, tetra, penta hydric alcohols with carboxylic acids such as lauric, palmitic, linoleic, ricinoleic etc. 

Lubricity improving additive composition for low sulfur diesel fuel

Phosphorothionate derivatives derived from cashew nut shell liquid (CNSL) for use as an thermally stable antioxidant, antiwear, friction reducing and extreme pressure additive in a lubricant composition are synthesized by the steps of (a) partially hydrogenating distilled technical cashew nut shell liquid with palladium or nickel or platinum catalyst; to hydrogenate the olefinic chain; (b) reacting partially hydrogenated technical cashew nut shell liquid with phosphorus trihalide and sulphur, the reaction being carried out at a temperature ranging from 20 to 220&deg; C. A lubricant containing a major proportion of a material selected from the group consisting of an oil of lubricating viscosity or a grease; and remainder an additive including CNSL phosphorothionate derivative, prepared by the foregoing process.

Thermally stable phosphorothionates as antioxidant, antiwear, friction reducing and extreme pressure lubricant additives from cashew nut shell liquid

This invention relates to a cost effective process for preparing a corrosion inhibitor/metal passivator additive for lubricant, grease and fuel applications from waste refinery streams, comprising reacting 2,5-dimercapto-1,3,4-thiadiazole either in powder form or in solution form in polar organic solvent, with disulphide oil obtained from Merox extraction/caustic wash of the refinery streams, in the presence or absence of redox agent.

Process for preparing a corrosion inhibitor/metal passivator additive for lubricant, grease and fuel applications from waste refinery streams

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Faridabad, India

Ajay Kumar Arora