| Patent Number |
Title Of Patent |
Date Issued |
| 4897170 |
Manufacture of a Soderberg electrode incorporating a high carbon-contributing phenolic sacrifici... |
Jan. 30, 1990 |
| 4897169 |
Process and apparatus for recycling isoelectric focusing and isotachophoresis |
Jan. 30, 1990 |
| 4897168 |
Process and arrangement for production of printing plate support |
Jan. 30, 1990 |
| 4897167 |
Electrochemical reduction of CO.sub.2 to CH.sub.4 and C.sub.2 H.sub.4 |
Jan. 30, 1990 |
| 4897166 |
Antifoaming additive for acid liquids |
Jan. 30, 1990 |
| 4897165 |
Electroplating composition and process for plating through holes in printed circuit boards |
Jan. 30, 1990 |
| 4897164 |
Process for preparing the through hole walls of a printed wiring board for electroplating |
Jan. 30, 1990 |
| 4897163 |
Metal cylindrical screen made of sheet material, and process for producing such a screen |
Jan. 30, 1990 |
| 4897162 |
Pulse voltammetry |
Jan. 30, 1990 |
| 4897161 |
Separation of vinyl acetate from ethyl acetate by extractive distillation |
Jan. 30, 1990 |
| 4897160 |
Head box for a paper making machine |
Jan. 30, 1990 |
| 4897159 |
Apparatus for pulp contaminant removal |
Jan. 30, 1990 |
| 4897158 |
Headbox apparatus for a papermaking machine |
Jan. 30, 1990 |
| 4897157 |
Make-up liquor and black liquor evaporating processing during pulp production |
Jan. 30, 1990 |
| 4897156 |
Process for activating cellulose pulp with NO and/or NO.sub.2 and oxygen in the presence of nitr... |
Jan. 30, 1990 |
| 4897155 |
Method for producing low fines content pulp by subjecting cellulosic chips to low frequency comp... |
Jan. 30, 1990 |
| 4897154 |
Post dry-etch cleaning method for restoring wafer properties |
Jan. 30, 1990 |
| 4897153 |
Method of processing siloxane-polyimides for electronic packaging applications |
Jan. 30, 1990 |
| 4897152 |
Etchant for revealing dislocations in II-VI compounds |
Jan. 30, 1990 |
| 4897151 |
Method for fabricating a dichroic parabolic lens reflector |
Jan. 30, 1990 |
| 4897150 |
Method of direct write desposition of a conductor on a semiconductor |
Jan. 30, 1990 |
| 4897149 |
Method of fabricating single-crystal substrates of silicon carbide |
Jan. 30, 1990 |
| 4897148 |
Apparatus for removing adhesive tape wrapped around a printed circuit board |
Jan. 30, 1990 |
| 4897147 |
Process and apparatus for bonding textile sheet-like structures |
Jan. 30, 1990 |
| 4897146 |
Apparatus and method for fabricating structural panels having corrugated core structures and pan... |
Jan. 30, 1990 |
| 4897145 |
Pivoted hammer/gate back-up assembly for a buckle chute folder equipped with a moistening device |
Jan. 30, 1990 |
| 4897144 |
Epoxy-sufonylazide as bonding agent |
Jan. 30, 1990 |
| 4897143 |
Method for conditioning composite structures |
Jan. 30, 1990 |
| 4897142 |
Process and apparatus for the continuous line manufacture of pencils |
Jan. 30, 1990 |
| 4897141 |
Method for preparing semiconductor wafers |
Jan. 30, 1990 |
| 4897140 |
Method for making a pipe-shaped body of wood |
Jan. 30, 1990 |
| 4897139 |
Method of producing progressively inflated packers |
Jan. 30, 1990 |
| 4897138 |
Sealing of plastic tubes |
Jan. 30, 1990 |
| 4897137 |
Primer for use on EPDM roofing materials |
Jan. 30, 1990 |
| 4897136 |
Method of making encapsulated-lens retroreflective sheeting |
Jan. 30, 1990 |
| 4897135 |
Method of reconstructing pipe systems using fiberglass laminates |
Jan. 30, 1990 |
| 4897134 |
Ultrasonic welding hubs to magnetic recording diskettes |
Jan. 30, 1990 |
| 4897133 |
Method for manufacturing an embossed pattern in a portable medium |
Jan. 30, 1990 |
| 4897132 |
Turbine casing formed of a heat resistant austenitic cast steel |
Jan. 30, 1990 |
| 4897131 |
Grain-oriented electrical steel sheet having improved glass film properties and low watt loss |
Jan. 30, 1990 |
| 4897130 |
Magnetic material comprising an intermetallic compound of the rare earth transition metal type |
Jan. 30, 1990 |
| 4897129 |
Corrosion resistant coating |
Jan. 30, 1990 |
| 4897128 |
Process of determining the zinc content of phosphating baths |
Jan. 30, 1990 |
| 4897127 |
Rapidly solidified and heat-treated manganese and niobium-modified titanium aluminum alloys |
Jan. 30, 1990 |
| 4897126 |
Aluminum-lithium alloys having improved corrosion resistance |
Jan. 30, 1990 |
| 4897125 |
Method of heat treatment of AL-based alloys containing Li and the product obtained by the method |
Jan. 30, 1990 |
| 4897124 |
Aluminum-alloy rolled sheet for forming and production method therefor |
Jan. 30, 1990 |
| 4897123 |
Solar cells and method for producing solar cells |
Jan. 30, 1990 |
| 4897122 |
Process, composition and apparatus for cleaning venetian blinds |
Jan. 30, 1990 |
| 4897121 |
Removal process of asbestos-filled linings or coatings |
Jan. 30, 1990 |
