WR Grace and Co
WR Grace aActive Patents
0
Total Holdings
33
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4111917A | Use of latent amines to cure epoxy resins | Expired / Lapsed | 1976-05-11 | 1978-09-05 | 15 | Details |
| US4088132A | Hydrophilic polyurethane foams for use in catamenial devices | Expired / Lapsed | 1975-05-07 | 1978-05-09 | 15 | Details |
| US3997385A | Clamping of film-like material for radiant energy welding | Expired / Lapsed | 1975-08-18 | 1976-12-14 | 17 | Details |
| US3965646A | Adjustable sealing device | Expired / Lapsed | 1975-02-26 | 1976-06-29 | 19 | Details |
| US3872194A | Process for producing a bulk cushioning material | Expired / Lapsed | 1970-09-30 | 1975-03-18 | 6 | Details |
| US3812619A | Horticultural foam structures and method | Expired / Lapsed | 1972-08-10 | 1974-05-28 | 20 | Details |
| US3553255A | Novel water soluble polymer | Expired / Lapsed | 1968-10-10 | 1971-01-05 | 0 | Details |
| US3351495A | Battery separator | Expired / Lapsed | 1966-11-22 | 1967-11-07 | 2 | Details |
| US3350265A | Aqueous polymeric latex with silver and sodium hypochlorite… | Expired / Lapsed | 1966-01-04 | 1967-10-31 | 2 | Details |
| US3339781A | Hollow wall container | Expired / Lapsed | 1965-03-22 | 1967-09-05 | 2 | Details |
| US3320106A | Fastening process | Expired / Lapsed | 1963-09-13 | 1967-05-16 | 2 | Details |
| US3316676A | Seed packages of water insoluble polyethylene oxide | Expired / Lapsed | 1965-03-03 | 1967-05-02 | 1 | Details |
| US3295918A | Method of treating exhaust gases | Expired / Lapsed | 1962-09-06 | 1967-01-03 | 2 | Details |
| US3292129A | Silicon thermistors | Expired / Lapsed | 1965-09-24 | 1966-12-13 | 1 | Details |
| US3271484A | Manufacture of balloons | Expired / Lapsed | 1963-12-31 | 1966-09-06 | 2 | Details |
| US3270309A | Temperature sensitive device | Expired / Lapsed | 1964-01-29 | 1966-08-30 | 2 | Details |
| US3225766A | Method of making absorbable surgical sutures from poly beta… | Expired / Lapsed | 1962-03-26 | 1965-12-28 | 2 | Details |
| US3169079A | Process for producing a polymer coating | Expired / Lapsed | 1963-07-05 | 1965-02-09 | 2 | Details |
| US3149017A | Polyethylene balloon | Expired / Lapsed | 1961-05-24 | 1964-09-15 | 2 | Details |
| US3131240A | Protective padding | Expired / Lapsed | 1960-11-09 | 1964-04-28 | 2 | Details |
| US3113408A | Process for securing a shrinkable fastener to a container | Expired / Lapsed | 1959-12-03 | 1963-12-10 | 2 | Details |
| US3093448A | Encapsulation of electrical components and other articles | Expired / Lapsed | 1959-11-25 | 1963-06-11 | 2 | Details |
| US3071819A | Packages | Expired / Lapsed | 1961-01-03 | 1963-01-08 | 2 | Details |
| US3044942A | Process for preparing poly-beta-hydroxybutyric acid | Expired / Lapsed | 1960-09-27 | 1962-07-17 | 2 | Details |
| US3036959A | Process for preparing poly-beta-hydroxy-butyric acid | Expired / Lapsed | 1960-09-26 | 1962-05-29 | 2 | Details |
| US3026366A | Separators for electric storage batteries | Expired / Lapsed | 1960-05-02 | 1962-03-20 | 2 | Details |
| US3022543A | Method of producing film having improved shrink energy | Expired / Lapsed | 1958-02-07 | 1962-02-27 | 2 | Details |
| US3015824A | Clip crimping apparatus | Expired / Lapsed | 1959-08-18 | 1962-01-09 | 0 | Details |
| US2995523A | Detergent-softener compositions | Expired / Lapsed | 1958-02-17 | 1961-08-08 | 2 | Details |
| US2904943A | Method and apparatus for packaging articles in shrinkable p… | Expired / Lapsed | 1958-08-20 | 1959-09-22 | 0 | Details |
| US2855517A | Irradiation treatment of polyethylene | Expired / Lapsed | 1955-07-20 | 1958-10-07 | 2 | Details |
| US2810775A | Plate separator for storage batteries | Expired / Lapsed | 1956-02-16 | 1957-10-22 | 2 | Details |
| US2774744A | Method of preparing low soda-content alumina catalyst | Expired / Lapsed | 1950-11-06 | 1956-12-18 | 2 | Details |