ISP Investments LLC
734Patents
246Active
734Granted
50Portfolio score
Filing activity: Aug 5, 1988 → Mar 24, 2023 · 92 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5130124A | Stabilized, aqueous, film-forming antimicrobial compositions of hydrogen peroxide | Human Necessities | 120 | Expired |
| US5672634A | Crosslinked PVP-I2 foam product | Chemistry; Metallurgy | 116 | Expired |
| US5130121A | Skin care compositions containing discrete microdroplets of an oil in water stabilized by in situ polymerization of water-soluble vinyl monomer | Human Necessities | 97 | Expired |
| US6607781B2 | Roofing granules with a decorative metallic appearance | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5183901A | Urea-hydrogen peroxide-polyvinylpyrrolidone | Chemistry; Metallurgy | 87 | Expired |
| US6465014B1 | pH-dependent sustained release, drug-delivery composition | Human Necessities | 75 | Expired |
| US5358638A | Multiple layer filter bag including abrasion-resistant material | Performing Operations; Transporting | 72 | Expired |
| US5294644A | Surface active lactams | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5215675A | Aqueous stripping composition containing peroxide and water soluble ester | Chemistry; Metallurgy | 65 | Expired |
| US5093031A | Surface active lactams | Chemistry; Metallurgy | 65 | Expired |
| US5192424A | Filter identification device | Performing Operations; Transporting | 58 | Expired |
| US6458888B1 | Rheology modifier for use in aqueous compositions | Chemistry; Metallurgy | 56 | Expired |
| US6214466A | Algae-resistant roofing granules | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5206385A | Urea-hydrogen peroxide-polyvinylpyrrolidone process | Chemistry; Metallurgy | 50 | Expired |
| US6548145B2 | Roofing granules with a decorative metallic appearance | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5077047A | Process for producing PVP-H2O2 products in the form of free-flowing powders | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5417855A | Filter bag subassembly | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5510307A | Free radical initiator delivery system | Chemistry; Metallurgy | 48 | Expired |
| US6667029B2 | Stable, aqueous cationic hydrogel | Chemistry; Metallurgy | 47 | Expired |
| US5449715A | Colorless, non-toxic, stabilized aqueous solution of a C1-C5 alkyl vinyl ether and maleic acid copolymers | Chemistry; Metallurgy | 46 | Expired |
| US5334331A | Method of activating N-methyl-2-pyrrolidone (NMP) varnish and paint remover solvents for removal of organic coatings | Chemistry; Metallurgy | 46 | Expired |
| US5108742A | Anhydrous complexes of PVP and H.sub.2 O.sub.2 | Human Necessities | 45 | Expired |
| US5660823A | Fast drying, film forming iodine release solution | Human Necessities | 45 | Expired |
| US5158762A | Water-based hair spray compositions containing multiple polymers | Human Necessities | 45 | Expired |
| US5300529A | Stable, clear, efficacious aqueous microemulsion compositions containing a high loading of a water-insoluble, agriculturally active chemical | Performing Operations; Transporting | 44 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.