Witco Corporation
182Patents
0Active
182Granted
42Portfolio score
Filing activity: Feb 1, 1985 → Dec 22, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4644030A | Aqueous polyurethane - polyolefin compositions | Chemistry; Metallurgy | 111 | Expired |
| US5990257A | Process for producing prepolymers which cure to improved sealants, and products formed thereby | Chemistry; Metallurgy | 80 | Expired |
| US4888136A | New flame retardant compositions of matter and cellulosic products containing same | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5981681A | Silicone aminopolyalkyleneoxide block copolymers | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5674832A | Cationic compositions containing diol and/or diol alkoxylate | Textiles; Paper | 51 | Expired |
| US5753079A | Obtaining enhanced paper production using cationic compositions containing diol and/or diol alkoxylate | Textiles; Paper | 43 | Expired |
| US4597880A | One-step process for preparation of overbased calcium sulfonate greases and thickened compositions | Chemistry; Metallurgy | 43 | Expired |
| US6001946A | Curable silane-encapped compositions having improved performances | Chemistry; Metallurgy | 40 | Expired |
| US5399746A | Diquaternary bleach activators and compositions containing them | Textiles; Paper | 35 | Expired |
| US5308514A | Sulfonate greases | Chemistry; Metallurgy | 35 | Expired |
| US6005027A | Stable silane compositions on silica carrier | Chemistry; Metallurgy | 33 | Expired |
| US5338467A | Sulfonate grease improvement | Chemistry; Metallurgy | 32 | Expired |
| US5866030A | Enhanced hydrocarbon lubricants for use with immiscible refrigerants | Chemistry; Metallurgy | 28 | Expired |
| US5118444A | Aqueous agricultural compositions exhibiting reduced irritation and corrosion | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4824584A | One-step process for preparation of thixotropic overbased calcium sulfonate complex thickened compositions | Chemistry; Metallurgy | 26 | Expired |
| US4729791A | Corrosion-inhibiting coating compositions for metals | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5049311A | Alkoxylated alkyl substituted phenol sulfonates compounds and compositions, the preparation thereof and their use in various applications | Textiles; Paper | 24 | Expired |
| US5756570A | Electrical grade polyvinyl chloride resin composition stabilized with a non-lead stabilizer | Electricity | 24 | Expired |
| US5986022A | Continuous manufacture of silicone coploymers | Performing Operations; Transporting | 22 | Expired |
| US5986122A | Treatment of polyethers prior to hydrosilylation | Chemistry; Metallurgy | 22 | Expired |
| US5491187A | Plastic compositions with antistatic properties | Chemistry; Metallurgy | 21 | Expired |
| US5015777A | Process for the preparation of aromatic beta-diketones | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5792383A | Reduction of enterfacial tension between hydrocarbon lubricant and immiscible liquid refrigerant | Chemistry; Metallurgy | 21 | Expired |
| US5225108A | Polymer stabilizer and polymer composition stabililzed therewith | Chemistry; Metallurgy | 21 | Expired |
| US5981674A | Silane, free radical generator, amine blends for crosslinking of olefin polymers | Chemistry; Metallurgy | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.