AIR PRODUCTS AND CHEMICALS, INC.
3,191Patents
807Active
3,191Granted
52Portfolio score
Filing activity: Aug 6, 1969 → Aug 28, 2023 · 359 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6583048B2 | Organosilicon precursors for interlayer dielectric films with low dielectric constants | Electricity | 629 | Expired |
| US7122222B2 | Precursors for depositing silicon containing films and processes thereof | Electricity | 604 | Expired |
| US5028366A | Water based mold release compositions for making molded polyurethane foam | Performing Operations; Transporting | 599 | Expired |
| US6846515B2 | Methods for using porogens and/or porogenated precursors to provide porous organosilica glass films with low dielectric constants | Chemistry; Metallurgy | 573 | Expired |
| US7098149B2 | Mechanical enhancement of dense and porous organosilicate materials by UV exposure | Electricity | 557 | Expired |
| US7357138B2 | Method for etching high dielectric constant materials and for cleaning deposition chambers for high dielectric constant materials | Performing Operations; Transporting | 535 | Expired |
| US6552209B1 | Preparation of metal imino/amino complexes for metal oxide and metal nitride thin films | Chemistry; Metallurgy | 502 | Expired |
| US6238734A | Liquid precursor mixtures for deposition of multicomponent metal containing materials | Electricity | 481 | Expired |
| US8771807B2 | Organoaminosilane precursors and methods for making and using same | Electricity | 431 | Active |
| US7055263B2 | Method for cleaning deposition chambers for high dielectric constant materials | Chemistry; Metallurgy | 364 | Expired |
| US5298089A | In-situ generation of heat treating atmospheres using non-cryogenically produced nitrogen | Chemistry; Metallurgy | 297 | Expired |
| US8993072B2 | Halogenated organoaminosilane precursors and methods for depositing films comprising same | Electricity | 269 | Active |
| US5413670A | Method for plasma etching or cleaning with diluted NF.sub.3 | Emerging Cross-Sectional Technologies | 224 | Expired |
| US4734115A | Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas | Mechanical Engineering; Lighting; Heating | 213 | Expired |
| US5062898A | Surface cleaning using a cryogenic aerosol | Electricity | 211 | Expired |
| US5294261A | Surface cleaning using an argon or nitrogen aerosol | Performing Operations; Transporting | 198 | Expired |
| US5209028A | Apparatus to clean solid surfaces using a cryogenic aerosol | Performing Operations; Transporting | 187 | Expired |
| US4921898A | Vinyl acetate-ethylene copolymer emulsions prepared in the presence of a stabilizing system of a low molecular weight polyvinyl alcohol and a surfactant | Chemistry; Metallurgy | 185 | Expired |
| US6114400A | Synthesis gas production by mixed conducting membranes with integrated conversion into liquid products | Emerging Cross-Sectional Technologies | 158 | Expired |
| US4711645A | Removal of water and carbon dioxide from atmospheric air | Emerging Cross-Sectional Technologies | 156 | Expired |
| US4457329A | Safety pressure regulator | Emerging Cross-Sectional Technologies | 154 | Expired |
| US6786245B1 | Self-contained mobile fueling station | Emerging Cross-Sectional Technologies | 152 | Expired |
| US5284878A | Liquid phase methanol process with co-rich recycle | Emerging Cross-Sectional Technologies | 148 | Expired |
| US5917136A | Carbon dioxide pressure swing adsorption process using modified alumina adsorbents | Emerging Cross-Sectional Technologies | 148 | Expired |
| US6745801B1 | Mobile hydrogen generation and supply system | Emerging Cross-Sectional Technologies | 144 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.