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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4188287 |
Slow speed wedge bar flotation mixing device |
Feb. 12, 1980 |
| 4188286 |
Screening apparatus for fiber suspensions |
Feb. 12, 1980 |
| 4188285 |
Selective process for removal of thiophenes from gasoline using a silver-exchanged faujasite-typ... |
Feb. 12, 1980 |
| 4188284 |
Process for the hydrotreating of heavy hydrocarbon streams |
Feb. 12, 1980 |
| 4188283 |
Startup method for a moving-bed hydrogenation zone |
Feb. 12, 1980 |
| 4188282 |
Manufacture of benzene, toluene and xylene |
Feb. 12, 1980 |
| 4188281 |
Two-stage production of olefins utilizing a faujasite structure zeolite in hydrogenation stage |
Feb. 12, 1980 |
| 4188280 |
Method for removing arsenic from shale oil |
Feb. 12, 1980 |
| 4188279 |
Shaped carbon articles |
Feb. 12, 1980 |
| 4188278 |
Apparatus for degerminating fluids |
Feb. 12, 1980 |
| 4188277 |
Process for desalting petroleum oils |
Feb. 12, 1980 |
| 4188276 |
Voltage stable positive temperature coefficient of resistance crosslinked compositions |
Feb. 12, 1980 |
| 4188275 |
Process for preparing beta-phosphosulfoxy alcohols |
Feb. 12, 1980 |
| 4188274 |
Process for trifluoromethylation of aromatic and heterocyclic compounds |
Feb. 12, 1980 |
| 4188273 |
Process for preparing novel thin films |
Feb. 12, 1980 |
| 4188272 |
Electrical chemical process for the removal of hexavalent chromium from aqueous medium |
Feb. 12, 1980 |
| 4188271 |
Alkaline zinc electroplating baths and additive compositions therefor |
Feb. 12, 1980 |
| 4188270 |
Process for electrolytically forming glossy film on articles of aluminum or alloy thereof |
Feb. 12, 1980 |
| 4188269 |
Method of making electrodes for electrolytic purposes |
Feb. 12, 1980 |
| 4188268 |
Process for an electrode for a lead battery |
Feb. 12, 1980 |
| 4188267 |
Method and apparatus for measuring the integrity of an electrolytic cell lining |
Feb. 12, 1980 |
| 4188266 |
Method and apparatus for changing the concentration of molecules or atoms |
Feb. 12, 1980 |
| 4188265 |
Portable incubator |
Feb. 12, 1980 |
| 4188264 |
Process for determining bacterial endotoxin and reagents used therefor |
Feb. 12, 1980 |
| 4188263 |
Carrier-bound acylases |
Feb. 12, 1980 |
| 4188262 |
Method for dewatering paper in a paper machine press section |
Feb. 12, 1980 |
| 4188261 |
Method of improving the homogeneity of lignocellulose containing material |
Feb. 12, 1980 |
| 4188260 |
Low effluent pulp mill, bleach plant operation |
Feb. 12, 1980 |
| 4188259 |
Recovery of fibre from laminated carton boards |
Feb. 12, 1980 |
| 4188258 |
Process for fabricating strain gage transducer |
Feb. 12, 1980 |
| 4188257 |
Web handling apparatus |
Feb. 12, 1980 |
| 4188256 |
Apparatus for manufacturing identification plates having indented retroreflective characters |
Feb. 12, 1980 |
| 4188255 |
Price labelling apparatus |
Feb. 12, 1980 |
| 4188254 |
Vacuum press |
Feb. 12, 1980 |
| 4188253 |
Machine for the fabrication of plasticboard |
Feb. 12, 1980 |
| 4188252 |
Label positioning and applying apparatus |
Feb. 12, 1980 |
| 4188251 |
Method of dispensing labels |
Feb. 12, 1980 |
| 4188250 |
Method of making a composite web |
Feb. 12, 1980 |
| 4188249 |
Package including an elastic container protector and a method and machine for fitting the protec... |
Feb. 12, 1980 |
| 4188248 |
Producing a continuous flexible sheet covering material for wrapping heat, cold and sound insula... |
Feb. 12, 1980 |
| 4188247 |
Manufacture of magnetic transducing heads |
Feb. 12, 1980 |
| 4188246 |
Microscope slide and method for making same |
Feb. 12, 1980 |
| 4188245 |
Selective open tube aluminum diffusion |
Feb. 12, 1980 |
| 4188244 |
Method of making a semiconductor light-emitting device utilizing low-temperature vapor-phase dep... |
Feb. 12, 1980 |
| 4188243 |
Method and apparatus for heat-treating metallic material |
Feb. 12, 1980 |
| 4188242 |
Combination carburizing and boronizing methods |
Feb. 12, 1980 |
| 4188241 |
Method for producing high tensile strength, high ductility, low yield ratio hot rolled steel she... |
Feb. 12, 1980 |
| 4188240 |
Method for producing a metal layer by plating |
Feb. 12, 1980 |
| 4188239 |
Luminescent solar collector structure |
Feb. 12, 1980 |
| 4188238 |
Generation of electrical energy from sunlight, and apparatus |
Feb. 12, 1980 |
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