Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     El-Sayed A. Abdel-Aal Patents Inventor: Abdel-Aal; El-Sayed A. Address: Cairo, EG No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 6830696 Treatment of spent pulping liquor with lignin separation to recover alkali pulping chemicals in December 14, 2004 A method of treating spent alkaline pulping liquor (black liquor) includes the steps of providing black liquor containing lignin, and acidulating a phosphate containing material, wherein phosphoric acid is generated by the acidulating step. The black liquor is mixed with phosphoric acid       Recently Added Patents Watch-case Computer tomography method using a cone-shaped bundle of rays Multi-stroke cylinder operation in an internal combustion engine Carbon nanotubes as low voltage field emission sources for particle precipitators Electrostatic image developing toner and image forming method System for mounting a snap ring Transmission line apparatus having conductive strips coupled by at least one additional capacitance element   Randomly Featured Patents Structure and method for accurate deep trench resistance measurement Balloon catheter with light conductor Automobile tire Friction welding and welds made by friction Dart SPF vending machine and method Toxicological response markers Semiconductor device including a plurality of leads each having two end portions extending downward and upward High efficiency pump for liquid-cooling of electronics Waste water heat recovering unit and dishwashing machine © 2006-2008 PatentGenius. All Rights Reserved.