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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4263262 |
Fluid bed calcining process |
Apr. 21, 1981 |
| 4263261 |
Method for the removal of impurities from sodium aluminate solution |
Apr. 21, 1981 |
| 4263260 |
High pressure and high temperature heat exchanger |
Apr. 21, 1981 |
| 4263259 |
Hatch and hatch cover for thermal regeneration apparatus |
Apr. 21, 1981 |
| 4263258 |
Steam-operated sterilization apparatus |
Apr. 21, 1981 |
| 4263257 |
Pipette |
Apr. 21, 1981 |
| 4263256 |
Cuvettes for automatic chemical apparatus |
Apr. 21, 1981 |
| 4263255 |
Assay method and compounds |
Apr. 21, 1981 |
| 4263254 |
Apparatus for and method of conserving energy in pasteurizers |
Apr. 21, 1981 |
| 4263253 |
Process for rendering solids sterile |
Apr. 21, 1981 |
| 4263252 |
Method for producing an oriented tubular film |
Apr. 21, 1981 |
| 4263251 |
Method and apparatus for producing one-piece capsules |
Apr. 21, 1981 |
| 4263250 |
Lubricant and release agent for molded rubber articles |
Apr. 21, 1981 |
| 4263249 |
Method for producing reinforced plastic tubular body having annular grooves, and mold therefor |
Apr. 21, 1981 |
| 4263248 |
Phenolic resins with improved low temperature processing stability |
Apr. 21, 1981 |
| 4263247 |
Resin-foam laminate |
Apr. 21, 1981 |
| 4263246 |
Net covering for articles |
Apr. 21, 1981 |
| 4263245 |
Process for producing high-strength, ultralow denier polybenzimidazole (PBI) filaments |
Apr. 21, 1981 |
| 4263244 |
Process for spinning regenerated cellulose fibers containing an alloying polymer |
Apr. 21, 1981 |
| 4263243 |
Method for making a flexible bearing |
Apr. 21, 1981 |
| 4263242 |
Flexible endless printing band and method of production |
Apr. 21, 1981 |
| 4263241 |
Method for production of fibrous sheet material and apparatus for carrying out the same |
Apr. 21, 1981 |
| 4263240 |
Apparatus and methods for forming simulated old brick |
Apr. 21, 1981 |
| 4263239 |
Dry forming of fibrous material |
Apr. 21, 1981 |
| 4263237 |
Method of making expandable member for forming seals and applying force |
Apr. 21, 1981 |
| 4263236 |
Method for producing catheters |
Apr. 21, 1981 |
| 4263235 |
Mixture preparation apparatus |
Apr. 21, 1981 |
| 4263234 |
Method of intimate contacting/separating of plural phases and phase contactor/separator apparatu... |
Apr. 21, 1981 |
| 4263233 |
Fuel preparation for internal combustion engines |
Apr. 21, 1981 |
| 4263232 |
Process for the manufacture of selected phosphonates |
Apr. 21, 1981 |
| 4263231 |
Process for the manufacture of 3-acyl-2-alkyl- and 3-acyl-2-aryl-1,3,2-benzoxazaphospholanes |
Apr. 21, 1981 |
| 4263230 |
Bisphosphonites |
Apr. 21, 1981 |
| 4263229 |
Metal complex dyes of trisazo compounds having a 3,5-dinitro-2-hydroxyphenylazo group and two ot... |
Apr. 21, 1981 |
| 4263228 |
Two stage catalytic hydrogenation of olefinically unsaturated dinitriles |
Apr. 21, 1981 |
| 4263227 |
5-(2-Chloro-4-trifluoromethyl)-, or (4-trifluoromethyl or 2,6-dichloro-4-trifluoromethylphenoxy)... |
Apr. 21, 1981 |
| 4263226 |
Process for hydrolyzing 5-isothiocyano-5,6-dihydro-dicyclopentadiene |
Apr. 21, 1981 |
| 4263225 |
Hydrogenation process using supported nickel-cobalt-silica coprecipitated catalyst |
Apr. 21, 1981 |
| 4263224 |
Acrylonitrile dimerization process |
Apr. 21, 1981 |
| 4263223 |
Synthesis of 4,4'-dicyano-polyhalo-diphenoxyalkanes |
Apr. 21, 1981 |
| 4263222 |
Dichloroformates |
Apr. 21, 1981 |
| 4263221 |
Process for the preparation of aromatic carbodiimides |
Apr. 21, 1981 |
| 4263220 |
Alkylene dicyanates |
Apr. 21, 1981 |
| 4263219 |
Production of substituted phenylurea |
Apr. 21, 1981 |
| 4263218 |
Alcohol-rhodium separation process |
Apr. 21, 1981 |
| 4263217 |
Hydrocarbon-soluble magnesium-aluminum compositions |
Apr. 21, 1981 |
| 4263216 |
Diglyceride manufacture |
Apr. 21, 1981 |
| 4263215 |
Process for the preparation of 1-hydroxylated vitamin D compounds |
Apr. 21, 1981 |
| 4263214 |
Fluorovitamin D compounds and processes for their preparation |
Apr. 21, 1981 |
| 4263213 |
2,4-Dihydroxy-4'-(substituted amino)-diphenylamines |
Apr. 21, 1981 |
| 4263212 |
Process for preparation of substituted olefins |
Apr. 21, 1981 |
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