| No. |
Patent No. |
Title |
| 821. |
PI 87000147 |
PRODUCTION OF ALUMINA FROM GIBBSITE-BEARING BAUXITE OF LOW REACTIVE SILICA CONTENT. |
| 822. |
PI 87000148 |
PROCESS AND APPARATUS FOR SUCTION EXTRACTION. |
| 823. |
PI 87000150 |
DIALYTIC SILICA DENTIFRICE |
| 824. |
PI 87000151 |
VEHICLE FOR AERIAL WORKING |
| 825. |
PI 87000152 |
CALCIUM INDEPENDENT CAMP PHOSPHODIESTERASE INHIBITOR ANTIDEPRESSANT |
| 826. |
PI 87000153 |
1,3,4-THIADIAZOLE |
| 827. |
PI 87000154 |
IMPROVEMENTS IN OR RELATING TO SHEET-CLAD STRUCTURES. |
| 828. |
PI 87000155 |
LOCKABLE SLIDER FOR SLIDE FASTENERS |
| 829. |
PI 87000156 |
PRODUCTION OF CYANIDE HYDRATASE |
| 830. |
PI 87000157 |
CONNECTOR BLOCK WITH SOLDERLESS, NON-SCREWED & STRIPPING-FREE TERMINALS HAVING A POLYTROPIC AIR GAP FOR TERMINATING COMMUNICATION CABLES & DROPWIRE CABLES |
| 831. |
PI 87000158 |
SMOOTH-EDGED CONTOURED SANITARY NAPKIN |
| 832. |
PI 87000160 |
CRYOGENIC PROCESS FOR THE REMOVAL OF ACID GASES FROM GAS MIXTURES BY MEANS OF A SOLVENT |
| 833. |
PI 87000161 |
METHOD AND APPARATUS FOR RECOVERY OF VAPOR BOILOFF FROM LNG STORAGE CONTAINERS. |
| 834. |
PI 87000163 |
SALT OF A SUBSTITUTED MORPHOLINE WITH FLUOBORIC ACID AND WOOD PRESERVATIVES. |
| 835. |
PI 87000165 |
PROCESS AND APPARATUS FOR CONTACTING GAS, LIQUID AND SOLID PARTICLES. |
| 836. |
PI 87000166 |
CONSTANT LOAD SNAP SWITCH WITH MANUAL OR AUTOMATIC RESET, STOP AND TEST SELECTION. |
| 837. |
PI 87000167 |
WOOD PRESERVATIVES |
| 838. |
PI 87000169 |
APPARATUS FOR TOWING A PIPESTRING AT A CONTROLLED DEPTH THROUGH A BODY OF WATER |
| 839. |
PI 87000171 |
FILTER DEVICE |
| 840. |
PI 87000172 |
PROCESS FOR MAKING N-MONO-SUBSTITUTED P-PHENYLENEDIAMINES. |
