Patent Explorer
Browse, filter, and analyze 15 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| GB727321A | Coated flexible sheet materials | Bayer AG | Expired / Lapsed | 1952-02-18 | — | 1972-02-18 | 0.0 yrs | 0 | |
| US4501871A | Process for the production of anhydride-group- or carboxyl-group-containing graft copolymers of polysaccharide esters | Bayer AG | Expired / Lapsed | 1983-12-20 | 1985-02-26 | 2003-12-20 | 0.0 yrs | 3 | |
| US3803194A | Cyclic urea derivatives and process for their manufacture | Bayer AG | Expired / Lapsed | 1972-08-03 | 1974-04-09 | 1992-08-03 | 0.0 yrs | 0 | |
| US3636026A | Benzoin-silyl-esters | Bayer AG | Expired / Lapsed | 1969-10-20 | 1972-01-18 | 1989-10-20 | 0.0 yrs | 0 | |
| US3622526A | Water vapor permeable porous sheet structures and process therefor | Bayer AG | Expired / Lapsed | 1967-12-07 | 1971-11-23 | 1987-12-07 | 0.0 yrs | 5 | |
| US3467614A | Cross-linkable copolymer dispersions | Bayer AG | Expired / Lapsed | 1967-02-14 | 1969-09-16 | 1987-02-14 | 0.0 yrs | 0 | |
| US3419351A | Vapor phase process for the conversion of metal halides into their oxides | Bayer AG | Expired / Lapsed | 1963-08-21 | 1968-12-31 | 1983-08-21 | 0.0 yrs | 0 | |
| US3050432A | Process for compressing cellular polyurethane plastic | Bayer AG | Expired / Lapsed | 1957-10-25 | 1962-08-21 | 1977-10-25 | 0.0 yrs | 2 | |
| FR1140652A | Swirl Layer Sublimation Process | Bayer AG | Expired / Lapsed | 1956-01-28 | 1957-08-05 | 1976-01-28 | 0.0 yrs | 0 | |
| US2764565A | Process and apparatus for the manufacture of polyurethane plastics | Bayer AG | Expired / Lapsed | 1955-08-08 | 1956-09-25 | 1975-08-08 | 0.0 yrs | 2 | |
| US2657151A | Coating of fabrics | Bayer AG | Expired / Lapsed | 1950-06-21 | 1953-10-27 | 1970-06-21 | 0.0 yrs | 2 | |
| US2621166A | Synthetic polymers | Bayer AG | Expired / Lapsed | 1949-07-02 | 1952-12-09 | 1969-07-02 | 0.0 yrs | 2 | |
| US2620516A | Synthetic polymeric product and process for producing the same | Bayer AG | Expired / Lapsed | 1949-07-02 | 1952-12-09 | 1969-07-02 | 0.0 yrs | 1 | |
| US2593829A | Electrical capacitor and foil therefor | Bayer AG | Expired / Lapsed | 1949-05-24 | 1952-04-22 | 1969-05-24 | 0.0 yrs | 1 | |
| DE831772C | Process for the production of high molecular weight crosslinked plastics | Bayer AG | Expired / Lapsed | 1949-02-24 | 1952-02-18 | 1969-02-24 | 0.0 yrs | 0 |