| Patent Number |
Title Of Patent |
Date Issued |
| 4502967 |
Method and compositions for fracturing subterranean formations |
Mar. 5, 1985 |
| 4502966 |
Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pre... |
Mar. 5, 1985 |
| 4502965 |
Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pre... |
Mar. 5, 1985 |
| 4502964 |
Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pre... |
Mar. 5, 1985 |
| 4502963 |
Use of certain materials as thinners in oil based drilling fluids |
Mar. 5, 1985 |
| 4502962 |
Hydrocarbon solvent-based dispersant formulation and its use in the dispersion of viscous oil sp... |
Mar. 5, 1985 |
| 4502961 |
Destabilization of sludge with hydrolyzed cassava starch flocculants |
Mar. 5, 1985 |
| 4502960 |
Destabilization of sludge with hydrolyzed dasheen starch flocculants |
Mar. 5, 1985 |
| 4502959 |
Purification of secondary recovery waterflood liquids |
Mar. 5, 1985 |
| 4502958 |
Method and device for the separation of suspended solids in waste water |
Mar. 5, 1985 |
| 4502957 |
Process for purifying organic solutions |
Mar. 5, 1985 |
| 4502956 |
Filter assembly |
Mar. 5, 1985 |
| 4502955 |
Filter assembly |
Mar. 5, 1985 |
| 4502954 |
Combination fuel filter and water separator |
Mar. 5, 1985 |
| 4502953 |
Water purifying apparatus with air check valve and filter condition indication |
Mar. 5, 1985 |
| 4502952 |
Control device |
Mar. 5, 1985 |
| 4502951 |
Suction device for obtaining dust samples |
Mar. 5, 1985 |
| 4502950 |
Process for the solvent deasphalting of asphaltene-containing hydrocarbons |
Mar. 5, 1985 |
| 4502949 |
Catalytic oxidation of mercaptan in petroleum distillate |
Mar. 5, 1985 |
| 4502948 |
Reclaiming used lubricating oil |
Mar. 5, 1985 |
| 4502947 |
Closed cyclone FCC catalyst separation method and apparatus |
Mar. 5, 1985 |
| 4502946 |
Process for the complete replacement of particles in vessels |
Mar. 5, 1985 |
| 4502945 |
Process for preparing olefins at high pressure |
Mar. 5, 1985 |
| 4502944 |
Fractionation of heavy hydrocarbon process material |
Mar. 5, 1985 |
| 4502943 |
Post-treatment of spinnable precursors from petroleum pitch |
Mar. 5, 1985 |
| 4502942 |
Enhanced oil recovery from western United States type oil shale using carbon dioxide retorting t... |
Mar. 5, 1985 |
| 4502941 |
Non-aqueous hydrogenation of solid carbonaceous material |
Mar. 5, 1985 |
| 4502940 |
Method for extracting caking coals |
Mar. 5, 1985 |
| 4502939 |
Electrochemical oxygen sensor, particularly for analysis of combustion cases from internal combu... |
Mar. 5, 1985 |
| 4502938 |
Encapsulated chemoresponsive microelectronic device arrays |
Mar. 5, 1985 |
| 4502937 |
Optical fiber joint type ion-concentration measurement apparatus |
Mar. 5, 1985 |
| 4502936 |
Electrode and electrolytic cell |
Mar. 5, 1985 |
| 4502935 |
Electrolytic cell having a membrane and vertical electrodes |
Mar. 5, 1985 |
| 4502934 |
Electrode comprising an electrochrome polymer film and a display device using such an electrode |
Mar. 5, 1985 |
| 4502933 |
Apparatus for electrolytic treatment to metal web |
Mar. 5, 1985 |
| 4502932 |
Acoustic resonator and method of making same |
Mar. 5, 1985 |
| 4502931 |
Process for the production of ion exchange membranes with coating for electrolysis |
Mar. 5, 1985 |
| 4502930 |
Method for manufacture of 7-substituted quadricyclene-cyclodextrin inclusion compound |
Mar. 5, 1985 |
| 4502929 |
Corrosion protection method |
Mar. 5, 1985 |
| 4502928 |
Method and apparatus for producing halogen |
Mar. 5, 1985 |
| 4502927 |
Electrodeposition of chromium and its alloys |
Mar. 5, 1985 |
| 4502926 |
Method for electroplating metals using microemulsion additive compositions |
Mar. 5, 1985 |
| 4502925 |
Process for aluminum surface preparation |
Mar. 5, 1985 |
| 4502924 |
Method for repairing a mold for continuous casting of steel |
Mar. 5, 1985 |
| 4502923 |
Production of high purity alkyl glyoxylate by plural stage distillation |
Mar. 5, 1985 |
| 4502922 |
Coke oven chamber door |
Mar. 5, 1985 |
| 4502921 |
Apparatus for the control of alcohol distillation |
Mar. 5, 1985 |
| 4502920 |
Apparatus for aboveground separation, vaporization and recovery of oil from oil shale |
Mar. 5, 1985 |
| 4502919 |
Plant for extracting crude oil from oil shale |
Mar. 5, 1985 |
| 4502918 |
Two-stage chemical treatment of mechanical wood pulp with sodium sulfite |
Mar. 5, 1985 |
