W.R. Grace & Co.-Conn.
1,395Patents
211Active
1,395Granted
51Portfolio score
Filing activity: Nov 10, 1983 → Jun 3, 2022 · 71 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5211875A | Methods and compositions for oxygen scavenging | Emerging Cross-Sectional Technologies | 188 | Expired |
| US4994026A | Gravity flow fluid balance system | Human Necessities | 178 | Expired |
| US4880592A | Manufacture of polymeric products | Emerging Cross-Sectional Technologies | 176 | Expired |
| US5108704A | Microfiltration apparatus with radially spaced nozzles | Physics | 140 | Expired |
| US5287961A | Multi-compartment package having improved partition strip | Performing Operations; Transporting | 135 | Expired |
| US5053228A | Polymeric temperature sensitive drug carrier | Human Necessities | 131 | Expired |
| US5643978A | Cement admixture product having improved rheological properties and process of forming same | Chemistry; Metallurgy | 127 | Expired |
| US5418112A | Photosensitive compositions useful in three-dimensional part-building and having improved photospeed | Physics | 124 | Expired |
| US5393343A | Cement and cement composition having improved rheological properties | Chemistry; Metallurgy | 124 | Expired |
| US4889731A | Package having peelable film | Performing Operations; Transporting | 120 | Expired |
| US7043880B2 | In situ molded thermal barriers | Fixed Constructions | 114 | Expired |
| US5633298A | Cement admixture product having improved rheological properties and process of forming same | Chemistry; Metallurgy | 112 | Expired |
| US6783345B2 | In situ molded thermal barriers | Fixed Constructions | 110 | Expired |
| US5350622A | Multilayer structure for a package for scavenging oxygen | Emerging Cross-Sectional Technologies | 109 | Expired |
| US6698146B2 | In situ molded thermal barriers | Fixed Constructions | 108 | Expired |
| US5346644A | Compositions, articles & methods for scavenging oxygen | Emerging Cross-Sectional Technologies | 106 | Expired |
| US4826493A | Sheets materials of HB polymers | Emerging Cross-Sectional Technologies | 105 | Expired |
| US5700554A | Packaging articles suitable for scavenging oxygen | Emerging Cross-Sectional Technologies | 105 | Expired |
| US7152385B2 | In situ molded thermal barriers | Mechanical Engineering; Lighting; Heating | 103 | Expired |
| US5242602A | Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics | Physics | 100 | Expired |
| US4976929A | Electrically heated catalytic converter | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5352507A | Seamless multilayer printing blanket | Emerging Cross-Sectional Technologies | 98 | Expired |
| US5002661A | Artificial pancreatic perfusion device | Human Necessities | 98 | Expired |
| US5194480A | Thermally conductive elastomer | Chemistry; Metallurgy | 97 | Expired |
| US5429874A | Water soluble film | Emerging Cross-Sectional Technologies | 96 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.