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Patent Protection Ended

No. Patent No. Title
1321. PI 87000780 PRODUCTION OF ELEMENTS AND COMPOUNDS BY DESERPENTINIZATION OF ULTRAMAFIC ROCK.
1322. PI 87000781 SLIDER HOLDING APPARATUS.
1323. PI 87000783 2-OXO-IMIDAZOLIDINE COMPOUNDS, A PROCESS FOR PREPARING THE SAME AND A PHARMACEUTICAL COMPOSITION.
1324. PI 87000784 ADDITIONAL ARMOURING FOR CABLES.
1325. PI 87000785 FLEXIBLE CONTAINER WITH INTEGRATED LIFTING LOOPS HAVING SEPARATE CARGO COMPARTMENT.
1326. PI 87000786 VITAMIN COMPOSITION WITH ENHANCES BIOAVAILABILITY
1327. PI 87000789 A PROCESS FOR THE PRODUCTION OF SOLID ALKALI METAL SALTS OF ALPHA-SULFOFATTY ACID ALKYL ESTERS.
1328. PI 87000790 METHOD FOR MODIFYING A SUBSTRATE MATERIAL FOR USE WITH SMOKING ARTICLES AND PRODUCT PRODUCED THEREBY.
1329. PI 87000791 URINE PIPE WIPING APPARATUS FOR LIVESTOCK BUILDING.
1330. PI 87000792 CHEWING GUM COMPOSITION AND METHOD OF SWEETENING.
1331. PI 87000794 DIRECT CATALYTIC ALKYLATION OF MONONUCLEAR AROMATICS WITH LOWER ALKANES.
1332. PI 87000796 FOOD PROCESS
1333. PI 87000797 NOVEL CARBOSTYRIL DERIVATIVE AND PROCESS FOR PREPARING SAME.
1334. PI 87000801 BELLOWS ASSEMBLY
1335. PI 87000802 A CONTROL SYSTEM FOR AN ELECTRONIC EXPANSION VALVE IN A REFRIGERATION SYSTEM.
1336. PI 87000803 NOVEL SUBTITUTED 1,2,4-TRIAZOLO-(1,5-A) PYRIMIDINE-2- SULFONAMIDES AND COMPOSITIONS AND METHODS OF CONTROLLING UNDESIRED VEGETATION AND SUPPRESSING THE NITRIFICATION OF AMMONIUM IN SOIL
1337. PI 87000804 RUBBER VULCANIZATION AGENTS AND METHODS FOR THEIR PREPARATION.
1338. PI 87000805 SMOKING ARTICLE
1339. PI 87000806 OLEFIN POLYMERIZATION CATALYST COMPONENT
1340. PI 87000807 IMPROVEMENTS IN OR RELATING TO METHODS OF REMOVING COMPOUNDS