Language:
Style:
A+ | a-

Patent Protection Ended

No. Patent No. Title
1221. PI 87000652 PROCESS FOR THE PRODUCTION OF A METAL-COATED PAPER.
1222. PI 87000653 PROCESS FOR THE PRODUCTION OF COLOR-STABLE, LIGHT COLORED, AQUEOUS SALT PASTES OF WASH-ACTIVE (ALPHA)- SULFOFATTY ACID ESTERS
1223. PI 87000654 HYDROCARBON TREATING PROCESS
1224. PI 87000655 PROCESS FOR REGENERATING COKE-CONTAMINATED CATALYST.
1225. PI 87000656 MAINTAINING GAS FLOW DURING TRANSFER OF SOLIDS.
1226. PI 87000657 BENZOTHIAZINE DIOXIDE DERIVATIVES
1227. PI 87000658 EFFERVESCENT COUPLES, HISTAMINE H2-ANTAGONIST EFFERVESCENT COMPOSITIONS CONTAINING THEM AND THEIR PREPARATION.
1228. PI 87000660 HERBICIDAL TOLERANT PLANTS CONTAINING GLUTHATIONE S-TRANSFERASE GENE.
1229. PI 87000661 METHOD FOR DETERMINING SOURCE AND RECEIVER STATIC IN MARINE SEISMIC EXPLORATION.
1230. PI 87000662 A CHAIR
1231. PI 87000663 SPIN-WELDING APPARATUS
1232. PI 87000664 SPIN-WELDING APPARATUS
1233. PI 87000665 METHOD OF AND APPARATUS FOR SPIN-WELDING.
1234. PI 87000667 A CHAIR HAVING SUPPORTING MEMBERS FOR THE POSTERIOR AND THE SHINS, RESPECTIVELY, OR A CHAIR OCCUPANT.
1235. PI 87000668 PROCESS FOR THE DEHYDROCYCLODEMERIZATION OF C3-C4 ALIPHATIC HYDROCARBONS
1236. PI 87000669 HIGH SELECTIVITY PROCESS FOR DEHYDROGENATION OF PARAFFINIC HYDROCARBONS
1237. PI 87000670 FOAMED CAPSULES HAVING EDIBLE SHELLS ENCLOSING AROMATIC COMPONENTS
1238. PI 87000671 PRESENSITIZED CIRCUIT MATERIAL.
1239. PI 87000672 DETERMINATION OF ANALYTE CONCENTRATION
1240. PI 87000673 ELECTRONIC HAND LABELLER.