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Patent Protection Ended

No. Patent No. Title
2201. PI 87001836 SUSTAINED RELEASE QUINIDINE DOSAGE FORM.
2202. PI 87001837 PHYSIOLOGICAL MEANS OF ENHANCING TRANSDERMAL DELIVERY OF DRUGS
2203. PI 87001838 SUBSTITUTED SPIRO PYRIDINE DERIVATIVES, PHARMACEUTICAL COMPOSITION CONTAINING THEM AND PROCESSES FOR THE PREPARATION OF SUCH COMPOUNDS AND COMPOSITIONS
2204. PI 87001839 PENEMS, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM , PROCESS FOR PREPARING THEM.
2205. PI 87001840 ILLUMINATED SIGNS
2206. PI 87001841 BALL VALVE FOR PIPELINE
2207. PI 87001842 TRINITROGLYCEROL SUSTAINED RELEASE VEHICLES AND PREPARATION THEREFROM.
2208. PI 87001843 METHOD AND COMPOSITION FOR THE TREATMENT OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE
2209. PI 87001844 SUBSTITUTED DIPEPTIDES, METHODS FOR THEIR PRODUCTION, PHARMACEUTICAL, COMPOSITIONS CONTAINING THEM, METHOD FOR MAKING SUCH PHARMACEUTICAL COMPOSITIONS
2210. PI 87001845 BENZOYLUREA COMPOUNDS AND PESTICIDAL AND PHARMACEUTICAL COMPOSITIONS COMPRISING SAME
2211. PI 87001847 PROCESS FOR MAKING PHOSHORUS PENTOXIDE AND OPTIONALLY PHOSPHORIC ACID WITH UTILIZATION OF THE REACTION HEAT.
2212. PI 87001848 ADHESIVE TRANSDERMAL DOSAGE LAYER.
2213. PI 87001849 HERBICIDAL AGENTS
2214. PI 87001851 SUBSTITUTED PHENYLSULFONYLOXYBENZIMIDAZOLECARBAMATES, PROCESSES FOR THEIR PREPARATION AND THEIR USE AS MEDICAMENTS.
2215. PI 87001852 METHOD FOR THE SEPARATION OF OIL-IN WATER EMULSIONS.
2216. PI 87001853 PROCESS FOR THE PREPARATION OF FATTY ACID ESTERS OF SHORT-CHAIN ALCOHOLS
2217. PI 87001855 NOVEL ORGANIC COMPOUNDS AND THEIR PHARMACEUTICAL USE.
2218. PI 87001856 IMPROVEMENTS IN OR RELATING TO NOVEL DIFLUORO ANTIVIRAL AGENTS
2219. PI 87001857 SYNTHETIC VACCINES FOR FOOT AND MOUTH DISEASE.
2220. PI 87001858 DI-T-BUTYLPHENOL COMPOUNDS.