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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Riberi; Bernd
Address:
Cologne, DE
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
5045226 Polyisocyanate preparations containing latent tin catalysts and a process for their preparation September 3, 1991
Polyisocyanate preparations containing latent tin catalysts are made from an organic polyisocyanate and a reaction product of a sulfonyl isocyanate and an organic tin catalyst in which at least one tin-oxygen bond is present. The organic tin catalyst preferably contains a tin-alkoxy,
4727128 Diisocyanates containing urethane groups, a process for their preparation and their use as binde February 23, 1988
The present invention is directed to a process for the preparation of a diisocyanate by reacting a diisocyanate with 2,2,4-trimethyl-pentanediol-(1,3) or reaction products of this diol which contain either ether or ester groups and optionally other diols or triols. The present invent
4639499 Cross-linkable polymer resins and use thereof as binders for coating agents January 27, 1987
The present invention is directed to cross-linkable, hydroxyl group-containing polymer resins which are obtained by copolymerizing olefinically-unsaturated monomers and are suitable as binder components for lacquers, the polymer resins having a hydroxyl number of about 20 to 400, an
4552946 Process for the production of polyisocyanates containing isocyanurate groups, the compounds whic November 12, 1985
This invention relates to a new process for the production of polyisocyanates containing isocyanurate groups by partial trimerization of the isocyanate groups of organic polyisocyanates comprising(a) compounds or mixtures of compounds corresponding to the formula ##STR1## wherein R
4518761 Process for the preparation of mixed trimers from organic isocyanates, the mixed trimers obtaine May 21, 1985
The present invention is directed to a new process for the preparation of mixed trimers by at least partly trimerizing the isocyanate groups of at least two organic isocyanates of a reactivity which differs in the sense of the trimerization reaction, in the presence of trimerization cata
4442145 Process for coating substrates with polyisocyanates and polyhydroxy polyacrylates April 10, 1984
The invention relates to a process for the production of coatings using a coating composition containing as binder optionally blocked lacquer-grade polyisocyanates in combination with polyhydroxy polyacrylate resins based on copolymers of certain hydroxy alkyl(meth)acrylates, methyl










 
 
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