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US 5,183,832 AGranted
Coating agent for collagen-containing materials
AssigneeBayer Aktiengesellschaft
InventorsErik Asmussen, Erik C. Munksgaard, Michael Muller, Wolfgang Podszun, Jens Winkel
Life of this patent
Estimating the term…
Abstract
Coating agent for collagen-containing materials, comprising an aldehyde, unsaturated monomers with and without active hydrogen, solubilizers and/or dispersants, activators and conventional additives.
Claims2
A coating agent for collagen-containing materials, comprising the following ingredients:
- a) 2-8% by weight of an aldehyde selected from the group consisting of formaldehyde, acetaldehyde, butyraldehyde, glutaric dialdehyde, glyoxal, benzaldehyde, salicylaldehyde, vanillin, phthalaldehyde, and furfural;
- b) 15-40% by weight of a water-soluble monomer selected from the group consisting of (meth)acrylic acid, methacrylamide, hydroxyethyl methacrylate, hydroxypropyl methacrylate, ethylene glycol monomethacrylate, diethylene glycol monomethacrylate, triethylene glycol monomethacrylate, and triethylene glycol dimethacrylate;
- c) 2-50% by weight bis-GMA;
- d) 0.01-2.5% by weight of photoinitiator;
- e) 25-60% by weight of water;
- and
- f) 0.5-5% by weight of a constituent selected from the group consisting of acetone, butanone, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, sec.-butanol, tert.-butanol, ethylene glycol monomethyl ether, tetrahydrofuran, 1,4-dioxane, the sodium salt of di-2-ethylhexylphosphate, oleyl alcohol sulphate, the sodium salt of sulphosuccinic acid dioctyl ester, methyltrioctylammonium chloride, methyltricaprylylammonium chloride, and poly-N-vinyl-2-pyrrolidone;
- the total of constituents giving 100% by weight.
5 more elements
Dependencies are inferred from the claim text.