Patent application number | Description | Published |
20120178847 | POLYUREA-BASED FABRIC GLUE - The present invention relates to a polyurea system, the use of such a polyurea system for sealing, linking, gluing, or covering of cellular tissue, and a dosing system having two chambers for a polyurea system such as this. The polyurea system comprises as components: A) an isocyanate-functioning prepolymer, which can be derived by reacting aliphatic isocyanates with polyoles, and B) an amino-functioning ester of aspartic acid. According to the invention, water and/or tertiary amine is added to the system, in order to increase the reacting speed of the prepolymer with the amino-functioning ester of aspartic acid while decreasing the setting time at the same time. | 07-12-2012 |
20120244107 | BIODEGRADABLE HYDROGEL - The present invention relates to a hydrogel on the basis of polyurethane or polyurethane urea, said hydrogel comprising hydrolysable functional groups in the polymer chain, to a method for producing the hydrogel and to the use of the hydrogel as adhesion barriers. | 09-27-2012 |
20120276382 | ADHESIVE COMPOSITE SYSTEM FOR COVERING, CLOSING OR GLUING CELLULAR TISSUE - The invention relates to an adhesive composite system comprising an adhesive layer of a tissue adhesive and a protective layer which is applied to the surface of the adhesive layer, said tissue adhesive being based on hydrophilic polyurethane polymers and the protective layer is water-proof. The invention also relates to a method for producing said adhesive composite system, to an adhesive composite system obtained according to said method, an adhesive composite system which can be used for covering, closing or gluing cellular tissue and to the use of the adhesive composite system for producing a product for covering, closing or gluing cellular tissue. | 11-01-2012 |
20130317134 | TISSUE ADHESIVE BASED ON TRIFUNCTIONAL ASPARTATES - The present invention relates to a compound of formula (I) wherein R | 11-28-2013 |
20130325062 | TISSUE ADHESIVE BASED ON NITROGEN-MODIFIED ASPARTATES - The invention relates to a polyurea system comprising as component A) isocyanate-functional prepolymers which can be obtained by reacting aliphatic isocyanates A1) with polyols A2) that can have a number-average molecular weight of =400 g/mol and an average OH functionality of 2 to 6 in particular; and as component B) amino-functional aspartic acid esters of the general formula (I) in which X is an organic group containing a secondary amino function, R1, R2 are the same or different organic groups that do not have Zerewitinoff-active hydrogen, and n is a whole number of at least 2, in particular for sealing, bonding, gluing, or covering cell tissue. The invention also relates to a metering system for the polyurea system according to the invention. | 12-05-2013 |
20140065091 | MEDICAL ADHESIVE FOR STEMMING BLEEDING - The present invention relates to a polyurea system comprising as component A) isocyanate-functional prepolymers obtainable by reaction of aliphatic isocyanates A1) with polyols A2), which in particular can have a number-average molecular weight of ≧400 g/mol and a mean OH functionality of from 2 to 6, as component B) an amino-functional compound of the general formula (I) in which X is an organic radical containing a secondary amino function, Y is an organic radical that contains a tertiary amino group and does not contain Zerewitinoff-active hydrogen, R | 03-06-2014 |
20140066981 | TISSUE ADHESIVE WITH ACCELERATED CURING - The present invention relates to a polyurea system encompassing as component A) isocyanate-functional prepolymers obtainable by reaction of aliphatic isocyanates A1) with polyols A2), which can in particular have a number average molecular weight of ≧400 g/mol and an average OH functionality of 2 to 6, as component B) amino-functional compounds of general formula (I) in which X is an organic residue comprising a tertiary amino function, having no Zerewitinoff active hydrogen, R | 03-06-2014 |
20140316076 | ISOCYANATE-FUNCTIONAL PREPOLYMER FOR A BIOLOGICALLY DEGRADABLE FABRIC ADHESIVE - The present invention relates to an isocyanate functional prepolymer that can be achieved through
| 10-23-2014 |
20140341835 | HYDROXY AMINO POLYMER AND USE THEREOF IN POLYUREA/POLYURETHANE TISSUE ADHESIVES - The present invention relates to a process for producing a hydroxy amino polymer comprising the steps:
| 11-20-2014 |
20140357828 | MODIFIED BETA-AMINO ACID ESTER (ASPARATE) CURING AGENTS AND THE USE THEREOF IN POLYUREA TISSUE ADHESIVES - The present invention relates to a compound of a formula (I) | 12-04-2014 |