ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,569, issued on July 29, was assigned to ROUSSELOT BV (Ghent, Belgium).
"Low endotoxin gelatin-(meth)acryloyl" was invented by Bjorn Vergauwen (Ghent, Belgium) and Elke De Clerck (Ghent, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to methacryloyl-gelatin and acryloyl-gelatin with low pyrogenic activity, in particular with low lipopolysaccharide content. The (meth)acryloyl-gelatin is further characterized by low (meth)acrylic acid content. The invention further relates to methods for preparing said (meth)acryloyl-gelatin, which do not require a dialysis step. The invention further relates to hydrogels comprisin...