Synthetic ebony and method of producing the same (I)
Patent 4840637 Issued on June 20, 1989. Estimated Expiration Date: 
June 10, 2008. 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.
June 10, 2008. 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 209568 1774940 2391613 3695920 InventorApplicationNo. 07/206190 filed on 06/10/1988US Classes:8/402, WOOD DYEING PROCESS8/506NONTEXTILE, DYEING PROCESS OR PRODUCT, INCLUDING INORGANIC FIBERExaminersPrimary: Lieberman, PaulAssistant: McNally, John F. Attorney, Agent or FirmInternational ClassesB44F 9/02 (20060101)B44F 9/00 (20060101) B27K 3/26 (20060101) B27K 3/16 (20060101) B27K 3/02 (20060101) B27K 3/08 (20060101) AbstractA process of treating wood of the genus Juglans to change its color completely and throughout its entire structure and substance so as to produce a jet black product with bronze highlights which duplicates the color of natural ebony, thereby providing a highlighted synthetic ebony or ebony substitute, and the product produced thereby, are all described herein.Field of SearchWOOD DYEING PROCESS | |
