Drew V. Speer
53Patents
16h-index
55Co-inventors
87Inventor score
Filing activity: Jun 27, 1991 → May 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5211875A | Methods and compositions for oxygen scavenging | Emerging Cross-Sectional Technologies | 188 | Expired |
| US5350622A | Multilayer structure for a package for scavenging oxygen | Emerging Cross-Sectional Technologies | 109 | Expired |
| US5346644A | Compositions, articles & methods for scavenging oxygen | Emerging Cross-Sectional Technologies | 106 | Expired |
| US5700554A | Packaging articles suitable for scavenging oxygen | Emerging Cross-Sectional Technologies | 105 | Expired |
| US5399289A | Compositions, articles and methods for scavenging oxygen which have improved physical properties | Chemistry; Metallurgy | 81 | Expired |
| US5529833A | Multilayer structure for a package for scavenging oxygen | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5498364A | Methods and compositions for oxygen scavenging by a rigid semi-rigid article | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5425896A | Methods and compositions for oxygen scavenging | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5648020A | Oxygen scavenging composition for low temperature use | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5977212A | Oxygen scavenging compositions | Chemistry; Metallurgy | 33 | Expired |
| US5811027A | Methods and compositions for improved initiation of oxygen scavenging | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6875400B2 | Method of sterilizing and initiating a scavenging reaction in an article | Performing Operations; Transporting | 28 | Expired |
| US5942297A | By-product absorbers for oxygen scavenging systems | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5993922A | Compositions and methods for selectively crosslinking films and improved film articles resulting therefrom | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5583047A | Method of detecting the permeability of an object to oxygen | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5981676A | Methods and compositions for improved oxygen scavenging | Chemistry; Metallurgy | 17 | Expired |
| US5985169A | Oxygen scavenging metal-loaded high surface area particulate compositions | Chemistry; Metallurgy | 16 | Expired |
| US6942821B2 | Process for triggering, storing, and distributing an oxygen scavenger, and a stored oxygen scavenger | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6139770A | Photoinitiators and oxygen scavenging compositions | Performing Operations; Transporting | 13 | Expired |
| US5798055A | Oxygen scavenging metal-loaded ion-exchange compositions | Performing Operations; Transporting | 13 | Expired |
| US7589331B2 | UV-C sensitive composition and dosimeter | Physics | 13 | Active |
| US5941037A | Oxygen scavenging hydrotalcite and compositions containing same | Chemistry; Metallurgy | 12 | Expired |
| US5993688A | Oxygen scavenging metal-loaded ion-exchange compositions | Performing Operations; Transporting | 8 | Expired |
| US7238300B2 | Process for subjecting to actinic radiation and storing an oxygen scavenger, and a stored oxygen scavenger | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7318524B2 | Oxygen scavenging form/fill/seal package for limited lifetime optical data storage media | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.