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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4676919 |
Low pH-buffered silicon/silicate antifreeze concentrates |
Jun. 30, 1987 |
| 4676918 |
Anti-freeze composition suitable for making surfaces free of snow and ice |
Jun. 30, 1987 |
| 4676917 |
Railway diesel crankcase lubricant |
Jun. 30, 1987 |
| 4676916 |
Acidizing concentrates for oil well acidizing systems |
Jun. 30, 1987 |
| 4676915 |
Antistatic composition and detergent compositions containing antistatic components |
Jun. 30, 1987 |
| 4676914 |
Microprocessor based pump controller for backwashable filter |
Jun. 30, 1987 |
| 4676913 |
Coal liquor clarification with water-soluble, high molecular weight polymers having low concentr... |
Jun. 30, 1987 |
| 4676912 |
Waste liquor disposal methods |
Jun. 30, 1987 |
| 4676911 |
Scale inhibitors which contain sulfate-containing polymers |
Jun. 30, 1987 |
| 4676910 |
Means of controlling precipitation of Na.sub.2 SO.sub.4 from solutions of NaHSO.sub.3 oxygen sca... |
Jun. 30, 1987 |
| 4676909 |
Process for recovering noble metals from their cyanide complexes |
Jun. 30, 1987 |
| 4676908 |
Waste water treatment |
Jun. 30, 1987 |
| 4676907 |
Biological filtration process |
Jun. 30, 1987 |
| 4676906 |
Hybrid high rate anaerobic treatment process |
Jun. 30, 1987 |
| 4676905 |
Fluid separation method and apparatus |
Jun. 30, 1987 |
| 4676904 |
Filter sheet which is free of asbestos |
Jun. 30, 1987 |
| 4676903 |
Screening apparatus |
Jun. 30, 1987 |
| 4676902 |
Separation apparatus including relatively movable presser module and filtration belts |
Jun. 30, 1987 |
| 4676901 |
Rotating disc filter |
Jun. 30, 1987 |
| 4676900 |
Water trap system for recovering precious metals |
Jun. 30, 1987 |
| 4676899 |
Tankship on-board oil leak treating system |
Jun. 30, 1987 |
| 4676898 |
Chromatography column using horizontal flow |
Jun. 30, 1987 |
| 4676897 |
Solubilization chromatography |
Jun. 30, 1987 |
| 4676896 |
Faucet mounted purifier |
Jun. 30, 1987 |
| 4676895 |
Fluid flow baffle for fuel processor |
Jun. 30, 1987 |
| 4676894 |
Suction fittings for whirlpool bathtubs, and the like |
Jun. 30, 1987 |
| 4676893 |
Apparatus for the recovery of living organisms on the rotary filters of water pumping stations |
Jun. 30, 1987 |
| 4676892 |
Hollow reactor for biological waste-water purification |
Jun. 30, 1987 |
| 4676891 |
Portable sluice |
Jun. 30, 1987 |
| 4676890 |
Collector compositions for the froth flotation of mineral values |
Jun. 30, 1987 |
| 4676889 |
Solvent extraction process for recovering bitumen from tar sand |
Jun. 30, 1987 |
| 4676888 |
Hydrocarbon conversion process with product quenching |
Jun. 30, 1987 |
| 4676887 |
Production of high octane gasoline |
Jun. 30, 1987 |
| 4676886 |
Process for producing anode grade coke employing heavy crudes characterized by high metal and su... |
Jun. 30, 1987 |
| 4676885 |
Selective process for the upgrading of distillate transportation fuel |
Jun. 30, 1987 |
| 4676884 |
Wafer processing machine with evacuated wafer transporting and storage system |
Jun. 30, 1987 |
| 4676883 |
Optical disk transmission monitor for deposited films |
Jun. 30, 1987 |
| 4676882 |
Electrolysis unit with membrane support means |
Jun. 30, 1987 |
| 4676881 |
Electrocoating cell |
Jun. 30, 1987 |
| 4676880 |
Photolysis of lactones |
Jun. 30, 1987 |
| 4676879 |
Method for the production of an aluminum foil for electrolytic _capacitors, and electrolytic cap... |
Jun. 30, 1987 |
| 4676878 |
Apparatus and method for electronic decomposition of water into aqueous free radicals and free e... |
Jun. 30, 1987 |
| 4676877 |
Process for production of fine and ultrafine zinc powders by electrolysis in a basic medium |
Jun. 30, 1987 |
| 4676876 |
Method for manufacturing components such as heat exchangers, heat absorbers, rocket engines or t... |
Jun. 30, 1987 |
| 4676875 |
Separation of m-xylene from o-xylene by extractive distillation |
Jun. 30, 1987 |
| 4676874 |
Separation of n-propyl acetate from n-propanol and water by extractive distillation |
Jun. 30, 1987 |
| 4676873 |
Coke oven door |
Jun. 30, 1987 |
| 4676872 |
Separation of m-xylene from o-xylene by extractive distillation with adiponitrile and mixtures t... |
Jun. 30, 1987 |
| 4676871 |
Air laid peat moss board |
Jun. 30, 1987 |
| 4676870 |
Automatic control of a multiple-effect evaporator |
Jun. 30, 1987 |
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