Patent Explorer
Browse, filter, and analyze 15 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| EP0052575A2 | Composition generating microbubbles | Bayer Pharma AG | Expired / Lapsed | 1981-11-17 | — | 2001-11-17 | 0.0 yrs | 27 | |
| EP0327490A1 | Ultrasonic imaging agents, process for their preparation and their diagnostic and therapeutical use | Bayer Pharma AG | Expired / Lapsed | 1989-02-01 | — | 2009-02-01 | 0.0 yrs | 0 | |
| EP0338971A1 | Process for preparing liposomes and/or biological cells containing ingredients, and their use | Bayer Pharma AG | Expired / Lapsed | 1989-04-13 | — | 2009-04-13 | 0.0 yrs | 0 | |
| DE2118796A1 | Hot melt pressure sensitive adhesive | Bayer Pharma AG | Expired / Lapsed | 1971-04-17 | — | 1991-04-17 | 0.0 yrs | 0 | |
| CA1232837A | Ultrasound contrast agent containing microparticles and gas micro-bubbles | Bayer Pharma AG | Expired / Lapsed | 1984-04-11 | 1988-02-16 | 2004-04-11 | 0.0 yrs | 39 | |
| US4681119A | Method of production and use of microbubble precursors | Bayer Pharma AG | Expired / Lapsed | 1986-04-22 | 1987-07-21 | 2006-04-22 | 0.0 yrs | 18 | |
| US4466442A | Carrier liquid solutions for the production of gas microbubbles, preparation thereof, and use thereof as contrast medium for ultrasonic diagnostics | Bayer Pharma AG | Expired / Lapsed | 1982-10-13 | 1984-08-21 | 2002-10-13 | 0.0 yrs | 30 | |
| US4316391A | Flow rate measurement | Bayer Pharma AG | Expired / Lapsed | 1979-11-13 | 1982-02-23 | 1999-11-13 | 0.0 yrs | 10 | |
| US4276885A | Ultrasonic image enhancement | Bayer Pharma AG | Expired / Lapsed | 1979-05-04 | 1981-07-07 | 1999-05-04 | 0.0 yrs | 20 | |
| US4155991A | Vaginal ring | Bayer Pharma AG | Expired / Lapsed | 1977-03-03 | 1979-05-22 | 1997-03-03 | 0.0 yrs | 20 | |
| US4136162A | Medicament carriers in the form of film having active substance incorporated therein | Bayer Pharma AG | Expired / Lapsed | 1977-12-27 | 1979-01-23 | 1997-12-27 | 0.0 yrs | 18 | |
| US4034749A | Intrauterine contraceptive device | Bayer Pharma AG | Expired / Lapsed | 1975-12-15 | 1977-07-12 | 1995-12-15 | 0.0 yrs | 25 | |
| US4012496A | Vaginal ring | Bayer Pharma AG | Expired / Lapsed | 1975-10-17 | 1977-03-15 | 1995-10-17 | 0.0 yrs | 14 | |
| US4012497A | Drug excipient of silicone rubber | Bayer Pharma AG | Expired / Lapsed | 1975-09-23 | 1977-03-15 | 1995-09-23 | 0.0 yrs | 12 | |
| US2853424A | X-ray contrast agents comprising symmetrical bifunctional analogs of nu-acyl derivatives of 2, 4, 6 triiodo-3-amino benzoic acid | Bayer Pharma AG | Expired / Lapsed | 1956-10-26 | 1958-09-23 | 1976-10-26 | 0.0 yrs | 1 |