Ausimont S.r.l.

Montedison S.p.a.

Ausimont

Istituto Guido Donegani

Instituto Guido Donegani

Consiglio Nazionale Delle Ricerche

Enichem S.p.a

Carlo Venturello

Claudio Cavallotti

Rino D'Aloisio

Marco Ricci

Fulvio Burzio

Enzo Alneri

Mario Gambaro

Fiorella Achilli

Claudio Cavalotti

Franco Francalanci

Pietro Cesti

Aldo Belli

Alfredo Coassolo

Elena Bencini

Stefanio Bonsignore

Giulio Lana

Paolo Soncini

Maria A Sasso

A process of bleaching using at least one imide-aromatic (poly)peroxyacid, having a formula: ##STR1## wherein A represents the residue of a benzene or napthalene ring optionally substituted by a COOH or COOOH group, the symbol or symbols R, which may be the same or different from each other, represent a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group, an OH group, a COOH group, a COOOH group, a COOR' group, wherein R' represents a C.sub.1 -C.sub.5 alkyl group, or a substituted C.sub.1 -C.sub.5 alkyl group wherein the substituent is nitro, an OH group or a C.sub.1 -C.sub.5 alkoxy group, and n is an integer from 1 to 5.

Imide-aromatic peroxyacids as bleaching agents

Imide-aromatic (poly)peroxyacids are herein disclosed, which have the formula (I): ##STR1## wherein A represents a residue of a substituted or unsubstituted benzene or naphthalene ring; R is a hydrogen atom, a lower alkyl group, a COOH group or a COOOH group; and n is an integer from 1 to 5.

Imide-aromatic peroxyacids

This invention relates to imido-derivative peroxycarboxylic acids having the formula I: ##STR1## wherein R and R.sub.1, which may be the same or different, represent hydrogen atoms, alkyl groups, or, taken together with the carbon atoms to which they are linked, give rise to a cyclic aliphatic ring, all of them being optionally substituted; the . . . symbol indicates a simple or an olefinic bond; R.sub.2 represents a hydrogen atom, an alkyl group, or an OH group, and n is an integer different from 0; the process for their preparation and their use as bleaching agents.

Imido-derivative peroxycarboxylic acids

Bleaching agents constituted by at least one imidearomatic (poly)peroxyacid, having the formula (I): ##STR1## wherein A represents a residue of a substituted or unsubstituted benzene or naphthalene ring, R is a hydrogen atom, a lower alkyl group, an OH group, a COOH group, a COOOH group or a COOR' group wherein R' represents a C.sub.1 -C.sub.5 alkyl group, and n is an integer from 1 to 5.

Amino-derivative (poly)peroxycarboxylic acids which have the formula: ##STR1## wherein the symbols have the following meanings: R, R.sub.1, and R.sub.2, which may be equal to or different from one another, represent hydrogen atoms, alkyl groups or groups selected from R, R.sub.1 and R.sub.2, which taken together with the nitrogen atom to which they are linked, give rise to an aliphatic heterocyclic group, all of them being optionally substituted;

Peroxy carboxylic amino-derivatives

Disclosed is a class of compounds based on tungsten and diphosphonic acids, which contain active oxygen atoms and cationic groups deriving from onium salts. Also disclosed is the method for preparing and using said class of compounds for olefin oxidation and diol and acid oxidation reactions.

Class of peroxy compounds based on tungsten and diphosphonic acids and

Heterocyclic (poly)peroxycarboxylic acids having a N-amidic heteroatom, which have the formula:

Heterocyclic peroxides having n-amidic heteroatoms

There is disclosed a new process for the epoxidization of olefins by reaction with hydrogen peroxide according to the double phase technique with 'onium' salts, characterized in that the reaction is conducted in a liquid aqueous-organic biphasic system consisting of:

Process for catalytically epoxidizing olefin with hydrogen peroxide

Nitrogen-containing heterocyclic (poly) peroxycarboxylic acid monopersulfates which have the formula: ##STR1## wherein the symbols have the following meanings: R represents a hydrogen atom or an alkyl, (hetero)cycloalkyl, (hetero)aryl, alkyl-aryl or arylalkyl group, wherein said groups are optionally substituted, or a carboxylic group or a peroxycarboxylic group, or any other substituents non-reactive in the presence of the peroxycarboxylic group;

Nitrogen containing heterocyclic peroxyacid

Peroxy carboxylic amino derivatives

Heterocyclic peroxides having N-amidic heteroatoms useful as bleaching

Heterocyclic peroxides having N-amidic heteroatoms

Amino-derivative (poly)peroxycarboxylic acid monopersulfates having the formula: ##STR1## wherein the symbols have the following meanings: R, R.sub.1 and R.sub.2, which may be alike or different from one another, represent hydrogen atoms, alkyl groups which may be optionally substituted with the proviso that at least one of them is a hydrogen atom;

Nitrogen-containing peroxycarboxylic monopersulfates

Pyridine-3-peroxycarboxylic acid monopersulfate is herein disclosed, which has the formula: ##STR1## The process for its preparation and its use as bleaching agent.

Growing community of inventors

Novara, Italy

Carlo Venturello