Huls Aktiengesellschaft
125Patents
0Active
125Granted
41Portfolio score
Filing activity: Jun 19, 1984 → Feb 5, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5117027A | Process for the preparation of organosilanes containing methacryloyloxy or acryloyloxy groups | Chemistry; Metallurgy | 161 | Expired |
| US5009814A | Use of n-polyhydroxyalkyl fatty acid amides as thickening agents for liquid aqueous surfactant systems | Chemistry; Metallurgy | 82 | Expired |
| US5334747A | Method of preparing substituted malonic ester anilides and malonic acid mono-anilides | Chemistry; Metallurgy | 59 | Expired |
| US5932757A | Mixture of oligomers of condensed alkylalkoxysilanes | Chemistry; Metallurgy | 58 | Expired |
| US5660807A | Process for the removal of HCN from gas mixtures | Chemistry; Metallurgy | 50 | Expired |
| US4728693A | Impact-resistant thermoplastic molding compounds based on polyphenylene ethers, polyoctenylenes and polyamides | Chemistry; Metallurgy | 49 | Expired |
| US5282998A | Mixtures of linear and cyclic siloxanes or siloxane oligomers and a process for their preparation | Chemistry; Metallurgy | 36 | Expired |
| US4808559A | Method of manufacturing a catalyst for hydration of olefins to alcohols | Performing Operations; Transporting | 28 | Expired |
| US4695661A | Catalytic system and a process for preparing alpha, omega-C.sub.4 through C.sub.20 alkenols | Chemistry; Metallurgy | 26 | Expired |
| US5591818A | Organosilane polycondensation products | Chemistry; Metallurgy | 25 | Expired |
| US4699740A | Stirring system and method for introducing gases to liquids | Performing Operations; Transporting | 24 | Expired |
| US5342900A | Process for the preparation of diene rubber vulcanizates | Chemistry; Metallurgy | 20 | Expired |
| US5107009A | Process for the preparation of mercaptosilanes | Chemistry; Metallurgy | 19 | Expired |
| US5122420A | Components made from continuous fiber reinforced polyamide molding compositions and rubber, and a process for their preparation | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4882277A | Continuous process for preparing organic acids by fermentation | Chemistry; Metallurgy | 18 | Expired |
| US5258470A | Molding compounds based on aromatic polyamides | Chemistry; Metallurgy | 16 | Expired |
| US4722966A | Storage-stabile, radiation-hardenable, NCO-free aqueous emulsions | Chemistry; Metallurgy | 15 | Expired |
| US4746482A | Method for the manufacture of a thermoplastic molding material containing polyphenylene ether | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4692482A | Method of concentrating polyphenylene ether solutions | Chemistry; Metallurgy | 12 | Expired |
| US6142024A | Apparatus and method for sampling and IR-spectroscopic analysis of high-purity, hygroscopic liquids | Physics | 12 | Expired |
| US4760115A | High impact thermoplastic molding material based on modified polyphenylene ethers, polyoctenylenes and polyamides | Chemistry; Metallurgy | 12 | Expired |
| US5366658A | Use of polymethylalkanes as biodegradable base oils in lubricants and functional fluids | Chemistry; Metallurgy | 11 | Expired |
| US4776947A | Method of dehalogenating hydrocarbon oils | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4749768A | Process for producing thermoplastically processable aromatic polyamide with phosphorus catalyst | Chemistry; Metallurgy | 11 | Expired |
| US4788231A | Process for producing pourable powdered rubber containing filler | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.