Clariant Corporation
486Patents
35Active
486Granted
43Portfolio score
Filing activity: Apr 20, 1992 → Nov 15, 2018 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6255371A | Flame-retardant combination | Chemistry; Metallurgy | 151 | Expired |
| US5998547A | Polypropylene waxes modified so as to be polar | Chemistry; Metallurgy | 110 | Expired |
| US6365071B1 | Synergistic flame protection agent combination for thermoplastic polymers | Chemistry; Metallurgy | 98 | Expired |
| US6946139B2 | Methods for producing foam from multiphase compositions | Human Necessities | 86 | Expired |
| US6547992B1 | Flame retardant combination for thermoplastic polymers l | Chemistry; Metallurgy | 82 | Expired |
| US6682750B2 | Surfactant-free cosmetic, dermatological and pharmaceutical compositions | Human Necessities | 71 | Expired |
| US5925233A | Use of alkanesulfonic acids as asphaltene-dispersing agents | Chemistry; Metallurgy | 70 | Expired |
| US6143846A | Polypropylene wax | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6207736A | Synergistic flameproofing combination for polymers | Chemistry; Metallurgy | 60 | Expired |
| US6392047B1 | Process for preparing biaryls in the presence of palladophosphacyclobutane catalysts | Performing Operations; Transporting | 57 | Expired |
| US6001831A | Process for producing quinazoline derivatives | Chemistry; Metallurgy | 53 | Expired |
| US6645476B1 | Water-soluble polymers and their use in cosmetic and pharmaceutical compositions | Human Necessities | 52 | Expired |
| US6277900A | Well cementing aids | Chemistry; Metallurgy | 52 | Expired |
| US5998530A | Flowability of mineral oils and mineral oil distillates using alkylphenol-aldehyde resins | Chemistry; Metallurgy | 48 | Expired |
| US6960627B2 | Partially cross-linked polyvinyl alcohol | Chemistry; Metallurgy | 45 | Expired |
| US6380137B1 | Copolymers and their use as drilling aids | Chemistry; Metallurgy | 43 | Expired |
| US6355832B1 | Processing for preparing salts of dialkylphosphinic acids | Chemistry; Metallurgy | 43 | Expired |
| US5928382A | Bleaching composition comprising polyoxometallates as bleaching catalyst | Chemistry; Metallurgy | 42 | Expired |
| US6013114A | Environmentally friendly diesel fuel | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6537364B2 | Process for fine division of organic pigments by precipitation | Chemistry; Metallurgy | 39 | Expired |
| US6855848B2 | Process for preparing bisallylboranes and nonaromatic boronic acids | Chemistry; Metallurgy | 39 | Expired |
| US6117606A | Use of pigment yellow 155 in electrophotographic toners and developers, powder coatings and inkjet inks | Physics | 35 | Expired |
| US6180025A | Infrared-reflecting colorants | Physics | 35 | Expired |
| US6566309B1 | Additives for inhibiting gas hydrate formation | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6420459B1 | Flame-retarding thermosetting compositions | Chemistry; Metallurgy | 35 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.