Council of Scientific and Industrial Research

General Electric Company

Sabic Innovative Plastics IP B.v.

Solvay Specialty Polymers Italy S.p.a.

J & K Environmental Ltd.

Prakash Purushottam Wadgaonkar

Bhimrao Dhondiba Sarwade

Theodorus L Hoeks

Chilukuri Ver Avadhani

Suresh K Rajaraman

Sanjoy Kumar Chowdhury

Arvind Sudhakar More

Samadhan Suresh Nagane

Rahul Shingte

Bhausaheb Vilas Tawade

Swaminathan Sivaram

Jan Pleun Lens

Gautam Chatterjee

Claudio Adolfo Pietro Tonelli

Dibakar Dhara

Veeraraghavan Srinivasan

Rein Mollerus Faber

Ulhas Kanhaiyalal Kharul

Chiel Albertus Leenders

Manohar Virupax Badiger

Murali Sastry

Jennifer Dean

Rajeshwari Shyamji Gour

Sachin Suresh Kuhire

Anandrao S Patil

Alex Bernard Scholten

Krishnat P Naikwadi

Periasamy Selva Kannan

Yves Gnanou

Pandian Senthil Kumar

Rachid Matmour

Chilukuri Ver Advadhani

Kavita Garg

Shamal Menon

Deepshikha Chatterjee

Prakash Sudhir Sane

Sayali Vinayak Shaligram

Matmour Rachid

Claudio A P Tonelli

The present invention disclosed novel epoxy novolac composite comprising environmentally friendly toughening agents based on bio-derived chemicals namely, Difunctional glycidyl ether epoxy resin (Cardolite NC-514) and Polyglycidyl ether of an alkenyl phenol formaldehyde novolac resin (Cardolite NC-547) used for the toughening of epoxy novolac resin namely Poly[(phenyl glycidyl ether)-co-formaldehyde] [PPGEF].

Epoxy novolac composites

The present invention discloses novel difunctional monomers compound containing pendant clickable furyl group of formula (I), process for the preparation and polymers prepared there from. wherein,X is selected from &#x2014;COOCH, &#x2014;COOH, &#x2014;CON, &#x2014;NCO, &#x2014;CONHNH, &#x2014;CHOH n is selected from 2 to 12.

Difunctional monomer compounds containing clickable pendant furyl group and polymers therefrom

The present invention discloses polymeric ionic liquid (PIL) composition comprising a polymer selected from PBI or ABPBI and their derivatives or analogues covalently attached to fluorescence moiety selected from poly aromatic hydrocarbons, preferably pyrene or anthracene. Further, the invention discloses a process for preparing said composition with enhanced fluorescence and stability. Also, disclosed herein is the use of said fluorescent PIL in detection of explosives, as membranes for gas permeation and as chemo sensors.

Poly-benzimidazole with pyrene and anthracene flourophore

The patent discloses bisphenol monomers of formula I with pendant maleimide group connected via alkylene spacer and preparation thereof. Also, it discloses polymers based on bisphenol monomers containing pendant clickable maleimide group. Further, it provides a process for the preparation of polymers possessing pendant clickable maleimide groups based on bisphenols containing pendant maleimide group. Formula (I) wherein, x is an integer selected from 0 to 10. 

Bisphenols containing pendant clickable maleimide group and polymers therefrom

The application discloses monomers based on bisphenols with pendent reactive azido groups. The application further provides a process for preparation of bisphenol monomers with pendent reactive azido groups which are used further for preparing polymers with pendent reactive functional groups and graft copolymer.

2, 2'-bis (4-hydroxyphenyl) alkyl azides and process for the preparation thereof

A process for synthesis of sulfonated, arylated 3-pentadecyl phenol (cross linking catalyst) of formula I starting from Cashew Nut Shell Liquid. Formula I wherein R is benzenesulfonic acid; X is &#x2014;SO3H, where n is 0 or 1; wherein the process steps comprises hydrogenating cardanol with 5% Pd/C in presence of lower alcoholic solvent at 70&#xb0; C. under 600 psi hydrogen pressure to obtain 3-pentadecyl phenol; arylating 3-pentadecyl phenol to obtain 3-pentadecyl diphenyl ether; and sulfonating the 3-pentadecyl diphenyl ether to obtain compound of formula I.

Process for preparing a cross linking catalyst from cashew nut shell liquid

A process for the manufacture of a functional (per)fluoropolyether derivative comprising at least one triazole group, such process comprising: (1) reacting a (per)fluoropolyether hydroxyl derivative having at least one hydroxyl group [derivative (PFPE-OH)] with an activating agent, to yield an activated (per)fluoropolyether hydroxyl derivative comprising at least one activated hydroxyl group [derivative (a-PFPE-OH)];(2) reacting said activated (per)fluoropolyether hydroxyl derivative [derivative (a-PFPE-OH)] with at least one azide salt to yield a functional (per)fluoropolyether derivative comprising at least one azido group [derivative (PFPE-N)] ; and (3) reacting said functional (per)fluoropolyether derivative comprising at least one azido group [derivative (PFPE-N)] with a hydrocarbon compound having a terminal alkyne group to yield a functional (per)fluoropolyether derivative comprising at least one triazole group [derivative (PFPE-azole)].

Process for the manufacture of functional PFPE derivative

A quaternary onium aromatic sulfonate represented by the formula: 

Antistatic agents, compositions thereof, and methods of manufacture

The present invention provides a novel dicarbanionic initiator of formula (I).  The present process further provides a process for the preparation of dicarbanionic initiator of formula (I) comprising reacting 1-bromo-4-(4'-bromophenoxy)-2-pentadecyl benzene of formula (II) with alkyllithium compound for an effecting halogen-lithium exchange reaction of 1-bromo-4-(4&#x2032;-bromophenoxy)-2-pentadecyl benzene with sec-butyllithium in the presence of a non polar solvent, at a temperature in the range of 0 to 25&#xb0; C. and its use as an initiator for the synthesis of telechelic polydienes and polystyrenes and SBS or SIS triblock copolymers.

Dicarbanionic initiator, a process for the preparation and use thereof

A quaternary onium aromatic sulfonate represented by the formula: wherein each Rindependently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or heterocyclic radicals, each X is selected from the group consisting of phosphorus and nitrogen; wherein 'a' has a value of 0, 1 or 2, and 'b' has a value of 0 or 1 with the proviso that (a+b) is equal to 1 or 2; Gis an aromatic group; E comprises a bis(carbonyloxyalkyl) polydiorganosiloxane, a bis(carbonyloxyaryl) polydiorganosiloxane, and an ether linkage; each Yindependently comprises hydrogen, a monovalent hydrocarbon group, alkenyl, allyl, halogen, bromine, chlorine; nitro; and OR, wherein R is a monovalent hydrocarbon group; &#x201c;q&#x201d; represents any integer from and including zero through the number of positions on Gavailable for substitution; &#x201c;t&#x201d; represents an integer equal to at least one; &#x201c;s&#x201d; represents an integer equal to either zero or one; and &#x201c;u&#x201d; represents any integer including zero; with the proviso that when E is an ether linkage, then X is phosphorus.

Antistatic and antidust agents, compositions thereof, and methods of manufacture

The present invention provides a novel bisphenol compound of formula (I). wherein Rand Rare the same or different and are independently either hydrogen or methyl at each occurrence. The present invention also provides a process for preparation of these bisphenol compounds starting from Cashew Nut Shell Liquid (CNSL); &#x2014;a renewable resource material. The bisphenols prepared in the present invention can be utilized as difunctional monomers for the preparation of various polymers such as epoxy resins, polyesters, polyethersulfones, polyetherketones, polyetherimides, polyarylates, polycarbonates, etc.

Bisphenol compound and process for preparation thereof

The invention discloses a method for synthesizing hollow structured freestanding membrane having pore size of 2 to 200 nm which provides long-term stability that makes it viable for many practical applications such as protein separation and drug delivery.

Process for the preparation of free standing membranes

Compositions exhibiting water resistant anti-static properties prepared from a thermoplastic polymer and a polymeric anti-static salt is disclosed.

Thermoplastic composition containing polymeric anti-static salt, method of making, and use thereof

A quaternary onium aromatic sulfonate represented by the formula:wherein each Rindependently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or heterocyclic radicals, each X is selected from the group consisting of phosphorus and nitrogen; wherein 'a' has a value of 0, 1 or 2, and 'b' has a value of 0 or 1 with the proviso that (a+b) is equal to 1 or 2; Gis an aromatic group; E comprises a bis(carbonyloxyalkyl) polydiorganosiloxane, a bis (carbonyloxyaryl) polydiorganosiloxane, and an ether linkage; each Y independently comprises hydrogen, a monovalent hydrocarbon group, alkenyl, allyl, halogen, bromine, chlorine; nitro; and OR, wherein R is a monovalent hydrocarbon group; &#x201c;q&#x201d; represents any integer from and including zero through the number of positions on Gavailable for substitution; &#x201c;t&#x201d; represents an integer equal to at least one; &#x201c;s&#x201d; represents an integer equal to either zero or one; and &#x201c;u&#x201d; represents any integer including zero; with the proviso that when E is an ether linkage, then X is phosphorus.

The present invention relates to new aromatic diamines. More particularly, the present invention relates to new aromatic diamines prepared from cashew nut shell liquid (CNSL), which is a renewable resource material. The present invention particularly relates to novel 1,1-bis(4-aminophenyl)-3-alkylcyclohexanes and to a method for their preparation.

Growing community of inventors

Pune, India

Prakash Purushottam Wadgaonkar