IP Library › Granted Patent US 12,595,366
Granted Patent B2
US 12,595,366 · App. 17/589,038 · Granted Apr 7, 2026

Layered collagen materials and methods of making the same

Inventors: Lorenzo Teglia (Hoboken, NJ); Varna Lakshmi Sharma (Jersey City, NJ); Dale Lee Handlin, Jr. (Clifton, NJ); Irina Kleiman (Staten Island, NY); Hemanthram Varadaraju (Jersey City, NJ)
Assignee: Modern Meadow, Inc.
C08L75/06B32B5/02B32B5/18B32B7/12B32B9/02B32B2307/412B32B2307/72C08L2201/10
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Quick Facts
Patent No.
US 12,595,366
App. No.
17/589,038
Granted
Apr 7, 2026
Kind
B2
Abstract

The present disclosure provides layered collagen materials comprising one or more collagen/polymer matrix layers. The collagen/polymer matrix layer(s) are formed of a collagen blended with one or more polymers. The collagen blended within the polymer(s) can be dissolved within the polymer(s). The one or more collagen/polymer matrix layers can be attached to a substrate layer, for example a fabric layer.

Claims (23)

1 . A material, comprising collagen dissolved within a water-dispersible polyurethane;

wherein the material is a solid material, and

wherein the collagen dissolved within the water-dispersible polyurethane is miscible with the polyurethane such that the collagen and polyurethane are not present as separate phases within the material.

2 . The material of claim 1 , wherein the collagen is natural collagen, recombinant collagen, or a combination thereof.

3 . The material of claim 1 , wherein the water-dispersible polyurethane is an aliphatic polyurethane or an aromatic polyurethane.

4 . The material of claim 1 , wherein the water-dispersible polyurethane is a bio-polyurethane.

5 . The material of claim 1 , wherein the material is transparent.

6 . The material of claim 1 , further comprising a coloring agent.

7 . The material of claim 6 , wherein the coloring agent is a dye selected from the group consisting of: an acid dye, a fiber reactive dye, a direct dye, a sulfur dye, a basic dye, and a reactive dye.

8 . The material of claim 7 , wherein the material has a color fastness of class 4 or higher when measured according to ISO 11640 wet-rub fastness test.

9 . The material of claim 1 , wherein the collagen comprises about 5 wt % to about 60 wt % of the material.

10 . The material of claim 1 , wherein the collagen comprises about 20 wt % to about 40 wt % of the material.

11 . The material of claim 1 , wherein the material has a moisture vapor transmission rate of at least about 75 g/m 2 /hr.

12 . The material of claim 1 , wherein the material is in the form of a sheet.

13 . A method of making a material comprising collagen dissolved within a water-dispersible polyurethane, the method comprising:

dissolving the collagen within the water-dispersible polyurethane, wherein the collagen dissolved within the water-dispersible polyurethane is miscible with the polyurethane such that the collagen and polyurethane are not present as separate phases within the material.

14 . The method of claim 13 , comprising:

dissolving the collagen in a solvent to form a collagen solution,

blending the collagen solution and an aqueous dispersion of the water-dispersible polyurethane, and

removing the solvent by drying.

15 . The method of claim 14 , wherein the solvent is selected from the group consisting of: water and ethanol.

16 . The method of claim 13 , further comprising:

forming a sheet, a coating, or a coated textile comprising the collagen dissolved within the water-dispersible polyurethane.

Continuity (3)
Continuation 16744997 · Jan 16, 2020
Provisional Application 62793512 · Jan 17, 2019
Related Publication 20220153993A1 · May 19, 2022
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