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Kanegafuchi Spinning Co Ltd

Kanegafuch
Active Patents
0
Total Holdings
9

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3772059A Method for producing microporous sheet material Expired / Lapsed 1971-04-05 1973-11-13 9 Details
US3743530A Method of producing sheet material having micro-porous stru… Expired / Lapsed 1970-07-13 1973-07-03 0 Details
US3714307A Aqueous coagulation of salt containing polyurethane to form… Expired / Lapsed 1971-02-24 1973-01-30 4 Details
US3700544A Composite sheath-core filaments having improved flexural ri… Expired / Lapsed 1965-07-29 1972-10-24 0 Details
US3681189A Multilayer synthetic filament Expired / Lapsed 1970-07-23 1972-08-01 0 Details
US3663470A Method of producing polyvinyl acetal porous articles and th… Expired / Lapsed 1970-05-28 1972-05-16 0 Details
US3607841A Production of poly-2,2-disubstituted-beta-propiolactones Expired / Lapsed 1968-03-06 1971-09-21 4 Details
US3092600A Modified polyvinyl acetate powders and compositions Expired / Lapsed 1960-09-15 1963-06-04 2 Details
US1531343A Device for preventing the adhesion of raw silk at reel angl… Expired / Lapsed 1923-04-18 1925-03-31 0 Details