Lyondell Chemical Technology, L.P.
201Patents
160Active
201Granted
56Portfolio score
Filing activity: Mar 10, 2003 → Sep 23, 2022 · 89 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8507720B2 | Titania-alumina supported palladium catalyst | Chemistry; Metallurgy | 292 | Active |
| US7314545B2 | Desulfurization process | Chemistry; Metallurgy | 38 | Expired |
| US7144499B2 | Desulfurization process | Chemistry; Metallurgy | 28 | Expired |
| US7070648B1 | Preparation of gypsum compositions | Chemistry; Metallurgy | 21 | Expired |
| US7175918B2 | Polyolefin compositions | Emerging Cross-Sectional Technologies | 18 | Expired |
| US9464240B2 | Aromatics production process | Chemistry; Metallurgy | 18 | Active |
| US7261772B1 | Gypsum composition | Chemistry; Metallurgy | 16 | Active |
| US7687647B2 | Propylene oxide process | Chemistry; Metallurgy | 15 | Active |
| US7393424B2 | Gypsum composition | Chemistry; Metallurgy | 14 | Active |
| US7279606B1 | Hydroformylation process | Performing Operations; Transporting | 13 | Active |
| US8519182B2 | Acetic acid production process | Emerging Cross-Sectional Technologies | 12 | Active |
| US7208625B1 | Removing permanganate-reducing impurities from acetic acid | Chemistry; Metallurgy | 10 | Active |
| US7271295B1 | Hydroformylation process | Chemistry; Metallurgy | 10 | Active |
| US7279145B2 | Multiphase reactor design incorporating filtration system for fixed--bed catalyst | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7012167B2 | Diisobutylene process | Chemistry; Metallurgy | 10 | Expired |
| US7387981B1 | Direct epoxidation catalyst and process | Performing Operations; Transporting | 9 | Active |
| US7256149B2 | Catalyst regeneration process | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6972337B1 | Epoxidation catalyst | Performing Operations; Transporting | 9 | Expired |
| US7238817B1 | Direct epoxidation process | Chemistry; Metallurgy | 9 | Expired |
| US7812191B2 | Removing hydrocarbon impurities from acetic acid by ionic liquid extraction | Chemistry; Metallurgy | 9 | Active |
| US7138535B1 | Direct epoxidation process | Chemistry; Metallurgy | 8 | Expired |
| US7524988B2 | Preparation of acetic acid | Chemistry; Metallurgy | 7 | Active |
| US7345197B1 | Preparation of acetic acid | Chemistry; Metallurgy | 7 | Active |
| US7790919B2 | Removing hydrocarbon impurities from acetic acid production process | Chemistry; Metallurgy | 6 | Active |
| US6969780B1 | Production of butanediol | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.