Collagen protein thermal insulating foam and method
Patent 4331547 Issued on May 25, 1982. Estimated Expiration Date: 
November 21, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 21, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3393080 3429768 3451394 InventorsApplicationNo. 06/208945 filed on 11/21/1980US Classes:252/62, HEAT OR SOUND INSULATING106/122, Pore forming106/135.1, With carbohydrate or derivative106/159.1Casein or derivativeExaminersPrimary: Lieberman, Allan M.Attorney, Agent or FirmInternational ClassesC04B 38/10 (20060101)C08J 9/00 (20060101) C08J 9/30 (20060101) AbstractA thermal insulating foam is provided which is made from a collagen protein such as clear animal glue; and a method of making such a foam is also provided.Field of SearchPore forming | |
