|
| US4066083 | 3 Jun 1976 | 3 Jan 1978 | Pentapharm A.G. | Sterile surgical collagen product |
| US4210721 | 19 Sep 1977 | 1 Jul 1980 | | Method for dissolving collagen-containing skin tissues |
| US4215200 | 2 Oct 1978 | 29 Jul 1980 | Cornell Research Foundation, Inc. | Chemically and enzymatically modified collagen hemostatic agent |
| US4226264 | 2 Sep 1975 | 7 Oct 1980 | Teepak, Inc. | Elastic amylose polymers |
| US4271070 | 5 May 1980 | 2 Jun 1981 | Cornell Research Foundation, Inc. | Chemically-modified fiber collagen hemostatic agents |
| US4279812 | 12 Sep 1979 | 21 Jul 1981 | Seton Company | Process for preparing macromolecular biologically active collagen |
| US4352887 | 29 Oct 1979 | 5 Oct 1982 | Albert Einstein College of Medicine of Yeshiva University | Method and article for culturing differentiated cells |
| US4440680 | 4 Jan 1982 | 3 Apr 1984 | Seton Company | Macromolecular biologically active collagen articles |
| US4539716 | 8 May 1981 | 10 Sep 1985 | Massachusetts Institute of Technology | Fabrication of living blood vessels and glandular tissues |
| US5631243 | 28 Dec 1994 | 20 May 1997 | Collagenesis Inc. | Collagen-based viscoelastic solution for visco-surgery |
| US5670369 | 25 Jun 1996 | 23 Sep 1997 | Ranpak Corporation | Method for the production of soluble collagen |
| US5714582 | 17 Mar 1995 | 3 Feb 1998 | Bioscience Consultants | Invertebrate type V telopeptide collagen, methods of making, and use thereof |
| US5744002 | 7 Jun 1995 | 28 Apr 1998 | Ranpak Corp. | Paper strengthened with solubilized collagen and method |
| US5840848 | 3 Jan 1997 | 24 Nov 1998 | AutoImmune, Inc. | Method for preparation of type II collagen |
| US5891167 | 19 Jun 1996 | 6 Apr 1999 | United States Surgical Corporation | Collagen coated gut suture |
| US5954748 | 15 Jul 1996 | 21 Sep 1999 | United States Surgical Corporation | Gelatin coated gut suture |
| US6337389 | 28 Oct 1997 | 8 Jan 2002 | BioScience Consultants, L.L.C. | Method and process for the production of collagen preparations from invertebrate marine animals and compositions thereof |
| US6916910 | 28 Nov 2001 | 12 Jul 2005 | Bioscience Consultants | Method and process for the production of collagen preparations from invertebrate marine animals and compositions thereof |
| US6974862 | 20 Jun 2003 | 13 Dec 2005 | Kensey Nash Corporation | High density fibrous polymers suitable for implant |
| US6995242 | 15 Jul 2002 | 7 Feb 2006 | The Lauridsen Group, Inc. | Process for producing insoluble and soluble collagen protein products from poultry skins and use thereof |
| US7214765 | 8 Jul 2005 | 8 May 2007 | Kensey Nash Corporation | High density fibrous polymers suitable for implant |
| US7910690 | 27 Apr 2007 | 22 Mar 2011 | Kensey Nash BVF Technology, LLC | High density fibrous polymers suitable for implant |
| US8188229 | 14 Feb 2011 | 29 May 2012 | Kensey Nash BVF Technology, LLC | High density fibrous polymers suitable for implant |