Patent assignee · DE · COMPANY

LANXESS Deutschland GmbH

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381Patents
315Active
381Granted
56Portfolio score

Filing activity: Jul 10, 2001 → Jul 8, 2022 · 139 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7211701B2 Preparation of trimethylolpropane Chemistry; Metallurgy 27 Expired
US7737233B2 Catalyst systems and their use for metathesis reactions Chemistry; Metallurgy 24 Active
US7192222B2 Method of use of a pneumatic conveying apparatus for conveying glass fibres with specific properties Performing Operations; Transporting 21 Expired
US7846995B2 Process for removing ruthenium-containing catalyst residues from optionally hydrogenated nitrile rubber Chemistry; Metallurgy 18 Active
US7179946B2 Copper complexes and their use Chemistry; Metallurgy 17 Expired
US7413388B2 Method and apparatus for pneumatically conveying bulk material which does not flow readily Performing Operations; Transporting 16 Expired
US8323357B2 Fluorine-substituted perylenes for colour filters in LCDS Chemistry; Metallurgy 14 Active
US8383242B2 Lightweight component of hybrid Emerging Cross-Sectional Technologies 13 Active
US8026314B2 Plasticizer preparations Chemistry; Metallurgy 11 Active
US9447263B2 Rubber mixtures containing short-chain alkyl esters of glycerin Chemistry; Metallurgy 11 Active
US7553970B2 Process for preparing 3-heteroaryl-3-hydroxypropanoic acid derivatives Chemistry; Metallurgy 10 Expired
US7307070B2 Microbicidal compositions Performing Operations; Transporting 9 Expired
US8846837B2 Neodymium-catalyzed polybutadienes Emerging Cross-Sectional Technologies 8 Active
US8609782B2 Process for degrading nitrile rubbers in the presence of catalysts having an increased activity Chemistry; Metallurgy 7 Active
US7915336B2 Crosslinkable compositions, thermoplastic elastomers obtainable therefrom and their use Chemistry; Metallurgy 7 Active
US7235127B2 Reduction- and oxidation-stable iron oxide black pigments having high colour strength for colouring plastics and building materials, their preparation and their use Chemistry; Metallurgy 7 Expired
US7662889B2 Process for the metathetic degradation of nitrile rubbers Chemistry; Metallurgy 7 Active
US7396884B2 Hydrogenated nitrile butadiene rubber Emerging Cross-Sectional Technologies 6 Expired
US7410536B2 Oxidation-stable iron oxide pigments, process for preparing them and their use Emerging Cross-Sectional Technologies 6 Active
US7811360B2 Contact and adsorbent granules Chemistry; Metallurgy 6 Active
US8362119B2 Halogen free flame-retardant thermoplastic moulding compositions based on polyamide with increased glow-wire resistance Chemistry; Metallurgy 6 Active
US7943694B2 Crosslinkable compositions, thermoplastic elastomers obtainable therefrom and their use Chemistry; Metallurgy 6 Active
US7387671B2 Iron oxide pigments Chemistry; Metallurgy 5 Expired
US8143361B2 EVM in solar modules Emerging Cross-Sectional Technologies 5 Active
US8536277B2 Catalyst systems and their use for metathesis reactions Performing Operations; Transporting 5 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.