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Czech Academy of Sciences

Czech Acad
Active Patents
0
Total Holdings
49

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
GB1445137A Use of a gel based on a hydroxyalkyl ester or nitrile of ac… Expired / Lapsed 1973-08-24 — 0 Details
US4634604A Method for producing a biocompatible layer on the surface o… Expired / Lapsed 1984-06-20 1987-01-06 7 Details
US4535784A Apparatus for stimulating acupuncture points by light radia… Expired / Lapsed 1984-11-29 1985-08-20 4 Details
US4534916A Method for the preparation of hydrophilic gels by monomer c… Expired / Lapsed 1984-04-06 1985-08-13 20 Details
US4427808A Composite polymeric material for biological and medical app… Expired / Lapsed 1981-07-15 1984-01-24 4 Details
US4228056A Shaped articles from insoluble hydrogels and method of manu… Expired / Lapsed 1978-05-30 1980-10-14 9 Details
US4184020A Preparation of hydrophilic material for gel chromatography Expired / Lapsed 1977-08-19 1980-01-15 10 Details
US4183884A Method for manufacturing hydrogel tubes Expired / Lapsed 1976-11-01 1980-01-15 11 Details
US4107121A Ionogenic hydrophilic water-insoluble gels from partially h… Expired / Lapsed 1975-11-20 1978-08-15 6 Details
US4076921A Method of producing glycol methacrylate or glycol acrylate … Expired / Lapsed 1972-10-13 1978-02-28 11 Details
US4026296A Hydrophilic surgical tubular device Expired / Lapsed 1975-03-03 1977-05-31 7 Details
US3997482A Hydrophilic polymeric carriers of biologically active compo… Expired / Lapsed 1974-07-08 1976-12-14 18 Details
US3987497A Tendon prosthesis Expired / Lapsed 1975-03-20 1976-10-26 10 Details
US3971376A Method and apparatus for introducing fluids into the body Expired / Lapsed 1974-10-02 1976-07-27 10 Details
US3964973A Preparation of insoluble biologically active compounds Expired / Lapsed 1974-01-30 1976-06-22 7 Details
US3931123A Hydrophilic nitrite copolymers Expired / Lapsed 1973-04-30 1976-01-06 5 Details
US3931111A Soluble hydrophilic polymers and process for processing the… Expired / Lapsed 1973-02-26 1976-01-06 13 Details
US3914341A Hydrogel and method of manufacturing the same Expired / Lapsed 1972-12-26 1975-10-21 9 Details
US3897382A Method for the acid hydrolysis of acrylonitrile containing … Expired / Lapsed 1974-03-20 1975-07-29 20 Details
US3896806A Implant for directed infusion of biologically active substa… Expired / Lapsed 1971-12-21 1975-07-29 35 Details
US3885078A Hydrogel laminates and method of manufacturing thereof Expired / Lapsed 1971-11-22 1975-05-20 2 Details
US3864323A Method of manufacturing polycoagulants Expired / Lapsed 1971-06-29 1975-02-04 7 Details
US3862452A Hydrogel substitutes for tubular somatic organs Expired / Lapsed 1971-06-21 1975-01-28 2 Details
US3861416A Heart valve Expired / Lapsed 1973-01-29 1975-01-21 13 Details
US3825458A Method of making hydrogel laminates Expired / Lapsed 1971-11-22 1974-07-23 0 Details
US3822089A Contact lens blank or replica made from anhydrous, sparingl… Expired / Lapsed 1971-10-07 1974-07-02 15 Details
US3818894A Laryngeal implant Expired / Lapsed 1972-01-03 1974-06-25 8 Details
US3812071A Method of manufacturing hydrogels Expired / Lapsed 1971-09-02 1974-05-21 0 Details
US3803210A Method of esterifying benzene carboxylic acid by ethylene g… Expired / Lapsed 1971-05-27 1974-04-09 0 Details
US3774615A Device for connecting or joining the ends of interrupted tu… Expired / Lapsed 1971-02-08 1973-11-27 1 Details
US3758239A Controlled peristaltic pump Expired / Lapsed 1971-12-21 1973-09-11 7 Details
US3745042A Method of hydrophilization of transparent objects made of h… Expired / Lapsed 1970-10-26 1973-07-10 0 Details
US3699089A Anhydrous sparingly cross-linked hydrophilic copolymers Expired / Lapsed 1968-09-25 1972-10-17 0 Details
US3689634A Protracted activity oral hydrogel bead Expired / Lapsed 1970-09-23 1972-09-05 4 Details
US3650265A Pick-up device detecting changes of the volume of mucous me… Expired / Lapsed 1969-11-10 1972-03-21 8 Details
US3628988A Method for providing artificial dentures with a soft hydrog… Expired / Lapsed 1968-08-01 1971-12-21 5 Details
US3625741A Method of bonding polymers of glycol acrylates and methacry… Expired / Lapsed 1968-05-08 1971-12-07 0 Details
US3598112A Arrangement for automatic performing and evaluating of test… Expired / Lapsed 1969-02-27 1971-08-10 9 Details
US3563925A Composition containing interlocked foams of partly tanned c… Expired / Lapsed 1967-12-20 1971-02-16 0 Details
US3551556A Carriers for biologically active substances Expired / Lapsed 1967-01-06 1970-12-29 0 Details
US3545430A Adjustable electrode arrangement for capacitance plethysmog… Expired / Lapsed 1968-03-05 1970-12-08 0 Details
US3497577A Method of production of plastic lenses with aspherical surf… Expired / Lapsed 1967-02-14 1970-02-24 0 Details
US3496254A Method of manufacturing soft and flexible contact lenses Expired / Lapsed 1965-07-01 1970-02-17 0 Details
US3464919A Method of concentration of organic sludges Expired / Lapsed 1967-04-13 1969-09-02 0 Details
US3464403A Sensing device for a plethysmograph Expired / Lapsed 1965-07-14 1969-09-02 0 Details
US3463615A Method for treating eluate from a chromatographic column Expired / Lapsed 1968-06-04 1969-08-26 0 Details
US3463179A Apparatus for feeding and measuring a substantially evenly … Expired / Lapsed 1966-12-07 1969-08-26 0 Details
US3373872A Apparatus for carrying out a rapid chromatography of amino … Expired / Lapsed 1965-03-31 1968-03-19 0 Details
US3361858A Reshaping a xerogel by mechanical removal and swelling to f… Expired / Lapsed 1965-01-07 1968-01-02 2 Details