| Patent Number |
Title Of Patent |
Date Issued |
| 7022358 |
Collagen membrane made from porcine skin |
April 4, 2006 |
| Collagen membranes are formed from porcine rinds (i.e., pig skins) for us in a variety of applications and, most preferably, for wrapping food products, such as hams and the like. First, after removing skins from the porcine, the skins are promptly frozen. In later processing, the rinds |
| 6752834 |
Membrane for in guided tissue regeneration |
June 22, 2004 |
| The invention provides a multi-layer membrane comprising a matrix layer predominantly of collagen II and having an open sponge-like texture, and at least one barrier layer having a close, relatively impermeable texture. Such a membrane is particularly suitable for use in guided tissue |
| 6676969 |
Resorbable extracellular matrix for reconstruction of cartilage tissue |
January 13, 2004 |
| A resorbable extracelluar matrix for reconstruction of cartilage tissue includes a purified collagen II derived from natural cartilage tissue from which non-collagen proteins have been removed. |
| 6482240 |
Method of making a collagen membrane from porcine skin |
November 19, 2002 |
| Collagen membranes are formed from porcine rinds (i.e., pig skins) for us in a variety of applications and, most preferably, for wrapping food products, such as hams and the like. First, after removing skins from the porcine, the skins are promptly frozen. In later processing, the rinds |
| 6326029 |
Resorbable extracellular matrix for reconstruction of cartilage tissue |
December 4, 2001 |
| A resorbable extracellular matrix for reconstruction of cartilage tissue, the matrix being substantially free from non-native collagen, and including a purified collagen II material formed form natural cartilage and having fibers of native collagen II which are physiologically accept |
| 5837278 |
Resorbable collagen membrane for use in guided tissue regeneration |
November 17, 1998 |
| The invention is concerned with wound healing and in particular with the use of a collagen-containing membrane in guided tissue regeneration. The invention provides a resorbable collagen membrane for use in guided tissue regeneration wherein one face of the membrane is fibrous thereby al |
| 5028695 |
Process for the manufacture of collagen membranes used for hemostasis, the dressing of wounds an |
July 2, 1991 |
| The invention concerns a process for the manufacture of collagen membranes for medical applications, in which process the collagen raw materials obtained from cattle or pig collagen are mechanically freed of fatty residues and treated with diluted alkali and acids and, if need be, en |
| 4320201 |
Method for making collagen sponge for medical and cosmetic uses |
March 16, 1982 |
| A process for producing collagen sponge which is insoluble but highly swellable in water, the sponge having a velour-like surface and being particularly suited for medical and cosmetic applications. |
| 4232123 |
Method for making water-soluble hydrolyzates of keratinaceous materials |
November 4, 1980 |
| A method is disclosed for making a water-soluble hydrolyzate of a keratinaceous starting material which comprises first subjecting said starting material to acid treatment at a pH of 2 or below and at an elevated temperature above 80.degree. C. to effect mild hydrolysis thereof and t |
| 4220724 |
Method for treating raw materials containing collagen |
September 2, 1980 |
| A method for conditioning a collagen-containing raw material to render it adaptable to hot-water extraction of collagen and collagen degradation products therefrom, which comprises incubating said raw material in an aqueous bath containing a neutral or alkaline protease at a pH between 6 |
| 4220723 |
Enzymatic treatment of proteinaceous animal waste products |
September 2, 1980 |
| A method for converting blood, animal parts, bone waste, or meat scraps into useful products, which method comprises hydrolyzing such a substrate with a proteinase, preferably in the presence of urea, in an aqueous hydrolysis medium at a pH in a region in which the proteinase displays |
| 4185011 |
Process for the production of collagen fibers |
January 22, 1980 |
| A process for the preparation of collagen fibers, especially suited for medicinal use, comprising subjecting animal skin, hide or tendons to digestion with a strong alkali until the material has an amide nitrogen content of approximately 0.20 to 0.40 mole per gram, swelling the mass by |
| 4179333 |
Method for making water-soluble elastin hydrolyzates |
December 18, 1979 |
| A water-soluble hydrolyzate of elastin, suitable for cosmetological use, is disclosed as is a method for making a water-soluble elastin hydrolyzate from starting materials containing elastin which comprises first subjecting said starting material to acid treatment at a pH below about 4 |
| 4131650 |
Collagen foil for cosmetic application |
December 26, 1978 |
| In the treatment of skin wherein an aqueous paste is applied to the skin, left in contact therewith for a period of time and thereafter removed, the improvement which comprises placing over the paste a foil containing at least about 3 percent of water soluble collagen by weight and havin |
