WR Grace and Co Conn
WR Grace aActive Patents
0
Total Holdings
38
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0607636A2 | Activated carbon containing support for bacterie and microo… | Expired / Lapsed | 1993-12-20 | — | 21 | Details |
| EP0537870A1 | Copolymers of ethylenically unsaturated ethers useful as hy… | Expired / Lapsed | 1992-10-12 | — | 33 | Details |
| EP0453307A2 | Photocurable self-retainable gel, shaped article prepared t… | Expired / Lapsed | 1991-04-19 | — | 21 | Details |
| EP0444470A1 | High surface area ceria | Expired / Lapsed | 1991-02-13 | — | 19 | Details |
| US5431817A | Bleach resistant polysulfone/polyurethane composite membran… | Expired / Lapsed | 1993-09-13 | 1995-07-11 | 13 | Details |
| US5169720A | Protein non-adsorptive polyurea-urethane polymer coated dev… | Expired / Lapsed | 1991-03-06 | 1992-12-08 | 29 | Details |
| US4044187B1 | Film laminates having a reirradiated layer | Expired / Lapsed | 1975-05-22 | 1991-04-30 | 0 | Details |
| US4977129A | Auto exhaust catalyst composition having low H2 S emissions… | Expired / Lapsed | 1989-03-13 | 1990-12-11 | 26 | Details |
| US4474824A | Methods of preparing hydrous silica gels | Expired / Lapsed | 1980-02-15 | 1984-10-02 | 16 | Details |
| US4379728A | Cyanourea compounds or polymers thereof as epoxy resin curi… | Expired / Lapsed | 1982-02-04 | 1983-04-12 | 24 | Details |
| US4318763A | Sealing cross-linked thermoplastic materials | Expired / Lapsed | 1980-09-15 | 1982-03-09 | 2 | Details |
| US4306991A | Scale inhibition | Expired / Lapsed | 1980-07-31 | 1981-12-22 | 10 | Details |
| US4303552A | Diesel exhaust catalyst | Expired / Lapsed | 1980-05-27 | 1981-12-01 | 26 | Details |
| US4255259A | Scale inhibition | Expired / Lapsed | 1979-09-18 | 1981-03-10 | 11 | Details |
| US4225373A | Sealing cross-linked thermoplastic materials | Expired / Lapsed | 1976-12-22 | 1980-09-30 | 2 | Details |
| US4179408A | Process for preparing spheroidal alumina particles | Expired / Lapsed | 1977-03-25 | 1979-12-18 | 28 | Details |
| US4154812A | Process for preparing alumina | Expired / Lapsed | 1977-03-25 | 1979-05-15 | 13 | Details |
| US4153680A | Hydrous silica gel containing dentifrice | Expired / Lapsed | 1977-11-18 | 1979-05-08 | 13 | Details |
| US4136205A | Container and method for packaging meat articles | Expired / Lapsed | 1977-03-30 | 1979-01-23 | 16 | Details |
| US4117196A | Photocurable imidizable polyene-polythiol compositions | Expired / Lapsed | 1977-09-02 | 1978-09-26 | 53 | Details |
| US4098720A | Corrosion inhibition | Expired / Lapsed | 1976-01-14 | 1978-07-04 | 10 | Details |
| US4064296A | Heat shrinkable multi-layer film of hydrolyzed ethylene vin… | Expired / Lapsed | 1975-10-02 | 1977-12-20 | 16 | Details |
| US4048066A | Method of inhibiting scale | Expired / Lapsed | 1976-11-17 | 1977-09-13 | 10 | Details |
| US4048428A | Method for preparing a film of vinylidene chloride polymer | Expired / Lapsed | 1974-04-15 | 1977-09-13 | 7 | Details |
| US4044187A | Film laminates having a reirradiated layer | Expired / Lapsed | 1975-05-22 | 1977-08-23 | 25 | Details |
| US4002829A | Autosynchronous optical scanning and recording laser system… | Expired / Lapsed | 1974-08-29 | 1977-01-11 | 48 | Details |
| US3959167A | Method and composition of inhibiting scale | Expired / Lapsed | 1973-12-10 | 1976-05-25 | 18 | Details |
| US3855299A | Water soluble reaction product of epihalohydrin and alkylam… | Expired / Lapsed | 1973-06-11 | 1974-12-17 | 13 | Details |
| US3852344A | Process for recovering iminodiacetic acid from sodium chlor… | Expired / Lapsed | 1973-11-15 | 1974-12-03 | 28 | Details |
| US3836709A | Process and apparatus for preparing printing plates using a… | Expired / Lapsed | 1972-04-12 | 1974-09-17 | 21 | Details |
| US3822331A | Continuous process for making low density thermoplastic foam | Expired / Lapsed | 1971-12-10 | 1974-07-02 | 0 | Details |
| US3788941A | Removable floor and wall surface coverings | Expired / Lapsed | 1971-08-02 | 1974-01-29 | 0 | Details |
| US3769386A | Process for the preparation of zeolitic alumino-metallo sil… | Expired / Lapsed | 1971-09-23 | 1973-10-30 | 0 | Details |
| US3761406A | Flocculation and demulsification using cationic polyvinyl a… | Expired / Lapsed | 1971-01-08 | 1973-09-25 | 0 | Details |
| US3753720A | Solder resistant photopolymer compositions | Expired / Lapsed | 1972-01-10 | 1973-08-21 | 4 | Details |
| US3744976A | Venting device | Expired / Lapsed | 1970-11-23 | 1973-07-10 | 0 | Details |
| US3742002A | Iron chelates useful for supplying iron to plants growing i… | Expired / Lapsed | 1971-06-14 | 1973-06-26 | 17 | Details |
| US3741253A | Laminates of ethylene vinyl acetate polymers and polymers o… | Expired / Lapsed | 1971-03-30 | 1973-06-26 | 4 | Details |