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Inventor:
Ahlers; Klaas
Address:
Muenster, DE
No. of patents:
22
Patents:












Patent Number Title Of Patent Date Issued
5015673 Synthetic resin with basic nitrogen groups, preparation and use thereof using a urethane carryin May 14, 1991
A synthetic resin which carries basic nitrogen groups and is water-dilutable by protonation with acid is obtainable by reacting(A) an epoxy resin having an average molecular weight M.sub.n of from 300 to 6,000 and on average from 1.5 to 3.0 epoxy groups per molecule with(B) a ketimine of a p
5015672 Synthetic resin with basic nitrogen groups, preparation and use thereof using a urethane carryin May 14, 1991
A synthetic resin which carries basic nitrogen groups and is water-dilutable by protonation with acid is obtainable by reacting(A) an epoxy resin having an average molecular weight M.sub.n of from 300 to 6,000 and on average from 1.5 to 3.0 epoxy groups per molecule with(B) a ketimine of a p
4981884 Synthetic resin with basic nitrogen groups, preparation and use thereof January 1, 1991
A synthetic resin which carries basic nitrogen groups and is water-dilutable by protonation with an acid, containing(A) a chain-extended, amine-modified epoxy resin obtainable by reacting(a.sub.1) an epoxy resin having an average molecular weight M.sub.n of from 300 to 6,000 and on average f
4956402 Synthetic resin with basic nitrogen groups from resins reacted with the ketimine-urethane produc September 11, 1990
A synthetic resin which carries basic nitrogen groups and is water-dilutable by protonation with acid is obtainable by reacting(A) an epoxy resin having an average molecular weight M.sub.n of from 200 to 6,000 and on average from 1.5 to 3.0 epoxy groups per molecule with(B) a ketimine of a p
4871808 Binders water-dilutable by protonation with acid October 3, 1989
A binder which is water-dilutable on protonation with acid and obtainable by a reaction of(A) an epoxy resin having an average molecular weight of from 300 to 6,000 and on average from 1.5 to 3.0 epoxide groups per molecule and(B) from 20 to 30 mol %, based on the amount of epoxide groups pr
4769420 Binder which is rendered water-dilutable by protonation with an acid, from carboxyl terminated b September 6, 1988
Binders which are rendered water-dilutable by protonation with an acid, a process for their preparation and their use.These binders are obtainable by reacting a(A) Reaction product of a(a) carboxyl-containing component, consisting of a(a1) carboxyl-containing butadiene/acrylonitrile copolymer ha
4752631 Binders for cathodic electrocoating June 21, 1988
Binders for cathodic electrocoating which are based on polyadducts/polycondensates which carry basic nitrogen groups and are rendered water-dilutable by protonation with an acid, and one or more crosslinkng agents for these polyadducts/polycondensates, and their use.These binders essenti
4730011 Synthetic resin containing quaternary ammonium groups, its preparation, and pigment paste produc March 8, 1988
A synthetic resin which contains quaternary ammonium groups, and its preparation.The water-dilutable synthetic resin which contains quaternary ammonium groups and furthermore contains one or more basic secondary and/or tertiary amino groups per quaternary ammonium group is an adduct of(A
4721758 Binders for cathodic electrocoating which contain non-tertiary basic amino groups in addition to January 26, 1988
The present invention relates to binders for cathodic electrocoating. These binders contain non-tertiary basic amino groups in addition to phenolic Mannich bases and consist of a mixture or precondensate of a polymer, polycondensate or polyadduct which has a mean molecular weight of 800
4713440 Urea/polyamine/secondary monoamine/polyalcohol condensate December 15, 1987
A processor for the preparation of urea condensates and the preparation of heat-curable surface coatings.To prepare these urea condensates, primary di- and/or polyamine is reacted with urea, a secondary monoamine and a polyalcohol which contains certain groups at elevated temperatures an
4713406 Binders for cathodic electrocoating December 15, 1987
Binders for cathodic electrocoating which are based on polyadducts/polycondensates which carry basic nitrogen groups and are rendered water-dilutable by protonation with an acid, and one or more crosslinking agents for these polyadducts/polycondensates, their use and electrocoating b
4699937 Synthetic resin carrying basic nitrogen groups, its preparation, coating materials produced usin October 13, 1987
A synthetic resin carrying basic nitrogen groups, its preparation, coating materials prepared from this resin, and a process for cathodic electrocoating.This synthetic resin is obtained by reacting(A) an epoxy resin which(B) a diketimine of a diprimary amineand, if required,(C) with a second
4608416 Heat-curable surface-coating agents, and their use August 26, 1986
Heat-curable surface-coating agents useful not only for application as solvent-containing finishes and for powder coating but also, in their protonated form, for cathodic electrocoating contain, as a binder, a mixture of (A) a polyadduct, polycondensate or other polymer having an ave
4599371 Preparation of self-crosslinking synthetic resins July 8, 1986
Synthetic resins which are self-crosslinking under the action of heat have on average two phenolic hydroxyl groups per molecule and are prepared by reacting a reaction product of an epoxy resin and a bifunctional phenol with formaldehyde and a mixture of secondary amines.After they have
4594136 Cathodic electrocoating binders June 10, 1986
Binders useful for cathodic electrocoating are water-dilutable on addition of acid and comprise a mixture of(A) a polyadduct which carries basic nitrogen groups and contains groups of the formula (I) and/or (II) ##STR1## where R.sup.1 and R.sup.2 are hydrogen or methyl and R.sup.3 an
4576979 Heat-curable surface-coating agents, and their use March 18, 1986
Heat-curable surface-coating agents useful not only for application as solvent-containing finishes and for powder coating but also, in their protonated form, for cathodic electrocoating contain, as a binder, a mixture of (A) a polyadduct, polycondensate or other polymer having an ave
4568729 Process for the preparation of urea condensates and their use February 4, 1986
The present invention relates to a process for the preparation of urea condensates and to their use.To prepare these urea condensates, a primary di and/or polyamine is reacted with urea, a secondary monoamine and if appropriate a polyalcohol at elevated temperatures in the presence or ab
4557814 Synthetic resin carrying basic nitrogen groups, and its preparation December 10, 1985
A synthetic resin which carries basic nitrogen groups and can be diluted with water as a result of protonation with an acid can be obtained by reacting an epoxy resin, having a mean molecular weight M.sub.n of from 300 to 6,000 and containing on average from 1.5 to 3.0 epoxide groups per
4544687 Heat-curable surface-coating agents, and their use October 1, 1985
Heat-curable surface-coating agents which, for example in their protonated form, can be used in cathodic electrocoating contain, as a binder, a mixture of (A) a polyadduct, polycondensate or other polymer which has an average molecular weight M.sub.n of from 500 to 10,000 and, per molecu
4543376 Heat-curable surface-coating agents, and their use September 24, 1985
Heat-curable surface-coating agents useful in organically dissolved baking finishes, for powder coating and for cathodic electrocoating contain, as a binder, a mixture of a polyadduct, polycondensate or other polymer which has an average molecular weight M.sub.n of from 500 to 10,000 and
4542193 Cathodic electrocoating binders September 17, 1985
Binders useful for cathodic electrocoating are water-dilutable on addition of acid and comprise a mixture of(A) a polyadduct which carries basic nitrogen groups and contains groups of the formula (I) and/or (II) ##STR1## where R.sup.1 and R.sup.2 are hydrogen or methyl and R.sup.3 a
4542173 Surface coating binders which are self-crosslinking when heated, their preparation and their use September 17, 1985
The present invention relates to surface coating binders which are self-crosslinking when heated and are based on resin-like polyadducts, polycondensates or polymers. These binders have a mean molecular weight M.sub.n of from 500 to 10,000 and contain, on average per molecule, at lea










 
 
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