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AN INK JET PRINTING PROCESS, A RECORDING SHEET, A COMPOSITION AND A SET OF LIQUIDS SUITABLE FOR USE IN AN INK JET PRINTER IN A PROCESS

A process for the preparation of an oligonucleotide is provided. The process comprises the assembly of an oligonucleotide attached to a solid support, wherein the solid support is prepared by a process comprising polymerisation of a monomer which comprises a protected hydroxypolyC2-4 alkyleneoxy chain attached to a ...

An ink comprising: a) an aqueous medium; b) colorant; and c) a compound of formula (1); M[X]n (1) wherein M is a copper, nickel , cobalt or mangnese catiion. X is a carboxylic acid anion comprising at least four corbon atoms; and n is a from 1 t...

A PROCESS FOR THE TRANSFER HYDROGENATION OF FORMULA I

A process for the preparation of a compound of Formula (1) : Formula (1) wherein: X is S, O or NR1, wherein R5 is II or an organic group; R is II or an organic group; R1 and R2 each independently are II, optionally substituted alkyl or optionally substituted aryl; G is a substituent; and n is 0 to 3: which compri...

The invention provides an ink composition comprising a charge generating material and a medium wherein the charge generating material absorbs radiation in both the near infra-red and visible regions of the electromagnetic spectrum. Also provided is an electrophotographic toner composition comprising a binder resin a...

A polyurethane polymer comprising from 35 % to 90 % (W/W) of a poly (C2-4-alkylene oxide) based on the total weight of the polymer wherein not less than 60 % by weight of the poly (C2-4-alkylene oxide) is polyethylene oxide and wherein at least 5 % of the poly (C2-4-alkylene oxide) based on the total weight of the p...

A process for printing an image on a substrate comprising applying thereto a composition comprising a liquid medium and a tris-azo compound of Formula (1) or salt 5 thereof: wherein: A is an optionally substituted alkenyl, homocyclic or heterocyclic group; L' and L2 are each independently optionally substituted aryl...

Inks comprising a liquid medium and a tris-azo compound of Formula (1) or salt thereof: Formula (1) wherein the liquid medium comprises water and an organic solvent.

A polymer support is provided which comprises protected hydroxypolyC2-4 alkyleneoxy chains attached to a cross-linked polymer wherein the protected hydroxypolyC2-4 alkyleneoxy chain contains from 2 to 10 C2-4 alkyleneoxy groups and wherein the hydroxypolyC2-4 alkyleneoxy chains are protected with an acid labile grou...

A perfect palindrome operator sequence-based protein expression system is provided. The expression system comprises a promoter; and a perfect palindrome operator sequence, wherein the promoter is not T7. The expression system is preferably employed for the production of recombinant proteins by fermentation. ...

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A compound of Formula (1) and salts thereof: Formula (1) wherein: m    is 1,2 or 3; R and R2 are each independently optionally substituted alkoxy; and R and R5 are each independently H, optionally substituted alkyl or optionally substituted aryl; provided that at least one of Rr and R2 carries an -OH group. T...

A compound of Formula (1) is provided wherein X represents an optionally substituted hydrocarbyl linking group; R' represents an optionally substituted hydrocarbyl group, P1 and P2 are protecting groups, Q represents a group of formula Y, -OZ, or -SZ; Y represents a group forming a Wittig reagent, a P, As or Sb-con...

An ink comprising: (c) a metal chelate compound of Formula (1) or salt thereof, wherein M is nickel; and (b) a liquid medium. The inks are useful for ink jet printers.

A process for the synthesis of an oligonucleotide is provided in which an oligonucleotide is assembled on a swellable solid support using the phosphoramidite approach in the presence of an activator, wherein the activator is not tetrazole or a substituted tetrazole. Preferred activators are pyridinium, imidazolinium...

A process for the preparation of a compound of formula R1-Y1-P(NR2R3)2 is provided. The process comprises reacting a compound of formula PX3 with a compound of formula HNR2R3 to form a compound of formula X-P(NR2R3)2; and reacting the compound of formula X-P(NR2R3)2 with a compound of formula R1-Y1-H in the presence...

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A paint comprising a film-forming resin, an organic liquid, a pigment and a dispersant of formula 1, including salts thereof (T-(0-A-CO)n (0-B-CO)m)-pZ wherein T is H or a polymerisation terminating group; A is C16-20 alkenylene; B is C10-20-alkylene; Z is the residue of a polyamine or polyimine; n is 2 to 50; m ...

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A method for the preparation of a 2-hydroxyarylaldehyde which comprises reacting a magnesium bis-hydrocarbyloxide derived at least in part from a hydroxyaromatic compound having at least one free position ortho to the hydroxyl group with formaldehyde or formaldehyde-liberating compound under substantially anhydrous ...

A process for making a 1 ,2-benzisothiazolin-3-one of formula 1 or salt thereof wherein R is hydrogen, aryl, aralkyl, cycloalkyl or C1-20-alkyl; X is halogen, nitro, cyano or C1-6-alkoxy; n is 0 to 4; which comprises reacting a bisamide precursor of formula 2 wherein q is 0-3 with oxygen or an oxygen-releas...

A catalytic transfer hydrogenation process is provided. The process can be employed to transfer hydrogenate N-substituted imines and iminium salts, which are preferably prochiral. The catalyst employed in the process is preferably a metal complex with one hydrocarbyl or cyclopentadienyl ligand and which is also coor...

A process for the synthesis of phosphorothioate oligonucleotides is provided which comprises assembling an oligonucleotide bound to a solid support in the presence of acetonitrile; prior to cleaving the oligonucleotide from the solid support removing the acetonitrile; and cleaving the oligonucleotide from the solid ...

An ink comprising a solution of an azo compound of Formula (1) or salt thereof In an aqueous medium: wherein: J Is a naphthalene sulphonfc acid moiety of Formula (2) Ar1 and Ar2 are each independently aryl containing at least two carboxy groups; and L is a piperaan-1,4-ylene moiety of Formula (3...

A process for the preparation of a product oligonucleotide which comprises: a) preparing a compound of formula (1): wherein X, and X1 are each independently H or a protecting group; B is a base; and R is an alkyl, alkoxyalkyl, alkenyl, or alkynyl group, each of which may be optionally substitued; or...

An H-phosphonate having the general chemical formula:whereineach B independently is a base selected from A, G, T, C or U;each Q independently is H or OR' wherein R' is alkyl, substituted alkyl, alkenyl or aprotecting group;each R independently is an aryl, methyl, substituted alk...