Abstract: The present invention relates to a demulsification additive composition for demulsification of water-in-oil emulsion caused due to wash water in the crude oil, wherein the composition comprises: (a) one or more demulsifiers (the component (a)); and (b) a compound selected from the group comprising glyoxal, neutralized glyoxal, glyoxal derivative and a mixture thereof (the component (b)), and (c) further comprises phosphoric acid (the component (c)). The present invention also relates to a method of using the present demulsification additive composition for demulsification of water-in-oil emulsion caused due to wash water in the crude oil. The present invention also relates to a method for demulsification of water-in-oil emulsion caused due to wash water in the crude oil by employing the present demulsification additive composition.

Abstract: The present invention relates to an additive composition for scavenging hydrogen sulfide in hydrocarbons, wherein said additive composition comprises a combination of (a) glyoxal and (b) at least one aliphatic tertiary amine or oxide treated derivative thereof, or a mixture of the aliphatic tertiary amine and the oxide treated derivative thereof. In one embodiment it also relates to a method for scavenging hydrogen sulfide in hydrocarbons, and in another embodiment it relates to a method of using an additive composition of the present invention for scavenging hydrogen sulfide in hydrocarbons. In yet another embodiment it relates to a composition for scavenging hydrogen sulfide in hydrocarbons comprising (A) a hydrocarbon and (B) a hydrogen sulfide scavenging additive composition of the present invention.

Abstract: The present invention relates to an additive composition for controlling and inhibiting polymerization of monomers, wherein the composition comprises a combination of (a) a phenol compound comprising catechol compound with (b1) an aliphatic tertiary amine, (b2) oxide treated derivative of the aliphatic tertiary amine, or (b2) a mixture thereof, wherein the aliphatic tertiary amine contains one or more hydroxyl groups in the alkyl chain of the aliphatic tertiary amine. In one embodiment, the present invention also relates to a method for controlling and inhibiting polymerization of monomers by employing the additive composition of the present invention. In another embodiment, the present invention also relates to a method of using the additive composition of the present invention for controlling and inhibiting polymerization of monomers.

Abstract: The present invention relates to a demulsification additive composition for demulsification of water-in-oil emulsion caused due to wash water in the crude oil, wherein the composition comprises: (a) one or more demulsifiers (the component (a)); and (b) a compound selected from the group comprising glyoxal, neutralized glyoxal, glyoxal derivative and a mixture thereof (the component (b)), and (c) further comprises phosphoric acid (the component (c)). The present invention also relates to a method of using the present demulsification additive composition for demulsification of water-in-oil emulsion caused due to wash water in the crude oil. The present invention also relates to a method for demulsification of water-in-oil emulsion caused due to wash water in the crude oil by employing the present demulsification additive composition.

Abstract: The present invention relates to a demulsification composition for demulsification of water-in-oil emulsion formed due to mixing of wash water in the crude oil, wherein the composition comprises (a) a compound selected from the group comprising glyoxal, neutralized glyoxal, glyoxal derivative and a mixture thereof, and (b) one or more demulsifiers. In one embodiment, the present invention relates to a method of demulsification of water-in-oil emulsions by treating it with the present demulsification composition. In another embodiment, the present invention relates to a method of using the present additive composition for demulsification of water-in-oil emulsions.

Abstract: The present invention relates to the field of inhibition of metal corrosion in hot acidic hydrocarbons, wherein acidity is derived from presence of naphthenic acid. More particularly, it relates to a polymeric additive for inhibiting high temperature napthenic acid corrosion, wherein said polymeric additive is polymeric phosphate ester of polyisobutylene succinate ester or oxide derivative of polymeric phosphate ester of polyisobutylene succinate ester. A polymeric phosphate ester of polyisobutylene succinate ester which is capable of acting as naphthenic acid corrosion inhibitor by inhibiting naphthenic acid corrosion in crude oil/feedstock/hydrocarbon streams containing naphthenic acid, and demonstrating higher thermal stability at elevated temperature varying from about 200° C. to about 400° C. [about 400° F. to about 750° F.] is disclosed.

Abstract: The present invention relates to a hydrogen sulphide scavenging additive composition for scavenging hydrogen sulphide including sulfur containing compounds and mercaptans, particularly for scavenging hydrogen sulfide in hydrocarbons, wherein the additive composition comprises substantially reduced amount of nitrogen based hydrogen sulfide scavengers, and is also required in substantially reduced amount, and wherein the additive composition scavenges the sulfur containing compounds not only at room temperature, but also at higher temperatures, and comprises at least a combination of: (A) at least one nitrogen based hydrogen sulfide scavenger; and (B) at least one aliphatic tertiary amine, wherein the nitrogen based hydrogen sulfide scavenger comprises triazine based hydrogen sulfide scavenger.

Abstract: The present invention relates to amine based hydrogen sulfide (H2S) scavenging additive compositions comprising A) an additive 1 comprising at least one compound selected from the group comprising copper compound, copper soap, and copper salts of organic acid; and B) at least one activator capable of enhancing hydrogen sulfide (H2S) scavenging efficiency of the additive 1, wherein the activator comprises aliphatic tertiary amine, or oxyalkylated derivate of aliphatic amine, or a mixture thereof. The present invention also relates to a process for scavenging hydrogen sulfide in hydrocarbons by employing the amine based hydrogen sulfide (H2S) scavenging additive composition of the present invention. The present invention also relates to a method of using the amine based hydrogen sulfide (H2S) scavenging additive composition of the present invention for scavenging hydrogen sulfide in hydrocarbons.

Abstract: The present invention relates to a hydrogen sulfide scavenging additive composition, wherein the composition comprises: a. an additive 1 comprising at least one compound selected from the group comprising zinc compound, zinc soap, and zinc salt of organic acid; and b. at least one activator comprising one or more hydroxyl alkylated amine. In one embodiment, the composition further comprises an additive 2 comprising polyphosphoric acid (PPA). In one embodiment, the present invention also relates to a method of using the hydrogen sulfide scavenging additive compositions of the present invention for scavenging the hydrogen sulfide in the medium. In one embodiment, the present invention also relates to a method of scavenging hydrogen sulphide in the medium by employing the hydrogen sulfide scavenging additive compositions of the present invention. In one embodiment, the present invention also relates to a medium comprising hydrogen sulfide (H2S) scavenging additive compositions of the present invention.

Abstract: The present invention relates to an improved amine based additive composition for control and inhibition of polymerization of aromatic vinyl monomers, particularly of styrene comprising one or more quinone methide compounds, one or more phenolic compounds and further comprising at least one aliphatic tertiary amine containing —OH group in the alkyl chain. In one embodiment, the present invention also relates to method of use of presently provided composition. In another embodiment, the present invention also relates to method of controlling and inhibiting polymerization of aromatic vinyl monomers, particularly of styrene by employing presently provided composition. In still another embodiment, the present invention also relates to method of preparation of presently provided composition.

Abstract: The present invention relates to adhesion promoting composition comprising: (a) an organotitanate adhesion promoter; and (b) at least one surface active agent; and (c) optionally comprises at least one solvent; wherein the surface active agent comprises a compound selected from the group comprising a surfactant and a polymeric surfactant; wherein the adhesion promoting composition imparts adhesion on a polymer film even if: (i) quality of the film substrate has degraded, (ii) the film substrate has inconsistent surface treatments across the films. In second aspect, the present invention relates to ink compositions comprising the adhesion promoting composition. In third aspect, the present invention relates to a method for improving the adhesion of an ink composition to a substrate, wherein the ink composition comprises adhesion promoting composition.

Abstract: The present invention relates to inhibition of high temperature naphthenic acid corrosion occurring in hydrocarbon processing units.

Abstract: The present invention relates to additive composition for controlling and inhibition of polymerization of aromatic vinyl monomers including styrene comprising (a) one or more of nitroxide (i.e. nitroxyl) compounds, and characterized in that the said composition further comprises one or more of (b) aliphatic amines selected from a group comprising tertiary amines, secondary amines and primary amines. In one embodiment, the present invention also relates to method of use of presently provided composition. In another embodiment, the present invention also relates to method of controlling and inhibiting polymerization of aromatic vinyl monomers including styrene by employing presently provided composition. In still another embodiment, the present invention also relates to method of preparation of presently provided composition.

Abstract: The present invention relates to additive composition and method of use thereof for controlling and inhibition of polymerization and dimerization of aliphatic monomers including butadiene comprising A) one or more of first component selected from a group comprising a) quinone methide (QM), b) quinone methide (QM) derivative including ester derivative of quinone methide, c) nitroxide (i.e. nitroxyl) compounds, and d) mixture thereof; characterized in that the composition further comprises B) one or more of second component selected from amines or polyamines, wherein the amine and polyamine is selected from a group comprising i) oxide treated tertiary amines, ii) hydroxyl alkyl tertiary amines, iii) polyether amines, and iv) mixture thereof.

Abstract: There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH. Particularly, there is also provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate under basic or alkaline conditions and at low pH as well as at high pH varying from about 5 to 11.

Abstract: The present invention relates to amine based additive composition for controlling and inhibition of polymerization of aromatic vinyl monomers including styrene comprising (a) one or more of nitroxide (i.e. nitroxyl) compounds; and (b) one or more of aromatic nitro compounds, characterized in that the said composition further comprises one or more of (c) amines, wherein said amine is selected from a group comprising (i) hydroxyl alkyl tertiary amines, (ii) tertiary alkyl amines, (iii) hydroxyl alkyl primary amine; and (iv) mixture thereof. In one embodiment, the present invention also relates to method of using presently provided composition. In another embodiment, the present invention also relates to method of controlling and inhibiting polymerization of aromatic vinyl monomers including styrene by employing presently provided composition. In still another embodiment, the present invention also relates to method of preparation of presently provided composition.

Abstract: The present invention relates to additive composition and method of use thereof for controlling and inhibition of polymerization and dimerization of aliphatic monomers including butadiene comprising A) one or more of first component selected from a group comprising a) quinone methide (QM), b) quinone methide (QM) derivative including ester derivative of quinone methide, c) nitroxide (i.e. nitroxyl) compounds, and d) mixture thereof; characterized in that the composition further comprises B) one or more of second component selected from amines or polyamines, wherein the amine and polyamine is selected from a group comprising i) oxide treated tertiary amines, ii) hydroxyl alkyl tertiary amines, iii) polyether amines, and iv) mixture thereof.

Abstract: The present invention relates to additive composition for control and inhibition of polymerization of monomers including styrene, wherein the composition consists of: (a) one or more of quinone methide derivatives; and CHARACTERIZED IN THAT the composition further comprises: (b) one or more of tertiary amines, wherein said tertiary amine is selected from a group consisting of: (i) tri isopropanol amine (TIPA), (ii) N,N,N?,N?-Tetrakis(2-hydroxyethyl)ethylene-diamine) (THEED), and (iii) mixture thereof. In one embodiment, the present invention relates to method of preparation thereof and uses thereof, and a method for controlling and inhibiting polymerization of monomers including styrene.

Abstract: The present invention relates to an improved additive composition for control and inhibition of polymerization of aromatic vinyl monomers including styrene comprising one or more of aromatic nitro compounds and one or more of aliphatic tertiary amines. In one embodiment, the present invention also relates to method of use of presently provided composition. In another embodiment, the present invention also relates to method of controlling and inhibiting polymerization of aromatic vinyl monomers including styrene by employing presently provided composition. In still another embodiment, the present invention also relates to method of preparation of presently provided composition.

Abstract: The present invention relates to an improved amine based additive composition for control and inhibition of polymerization of aromatic vinyl monomers including styrene comprising one or more of the quinone methide or derivatives thereof, one or more of nitroxide compounds and further comprising one or more of aliphatic tertiary amines. In one embodiment, the present invention also relates to method of use of presently provided composition. In another embodiment, the present invention also relates to method of controlling and inhibiting polymerization of aromatic vinyl monomers, particularly of styrene by employing presently provided composition. In still another embodiment, the present invention also relates to method of preparation of presently provided composition.