SILTECH CORP
92Patents
15Active
92Granted
40Portfolio score
Filing activity: Mar 27, 1989 → Mar 29, 2017 · 14 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5098979A | Novel silicone quaternary compounds | Chemistry; Metallurgy | 78 | Expired |
| US5070171A | Phosphated silicone polymers | Textiles; Paper | 67 | Expired |
| US5149765A | Terminal phosphated silicone polymers | Textiles; Paper | 63 | Expired |
| US5237035A | Silicone phospholipid polymers | Chemistry; Metallurgy | 44 | Expired |
| US4960845A | Sulfated silicone polymers | Chemistry; Metallurgy | 43 | Expired |
| US5296625A | Silicone alkoxylated esters carboxylates | Textiles; Paper | 40 | Expired |
| US5248783A | Silicone alkoxylated esters carboxylate salts | Textiles; Paper | 38 | Expired |
| US5093452A | Silicone phosphate amines | Textiles; Paper | 37 | Expired |
| US5488121A | Di-guerbet esters | Chemistry; Metallurgy | 35 | Expired |
| US5486631A | Silicone polymers for the modification of zinc oxide | Chemistry; Metallurgy | 34 | Expired |
| US5120812A | Silicone polymers | Chemistry; Metallurgy | 33 | Expired |
| US5166297A | Silicone ester quaternary compounds | Chemistry; Metallurgy | 29 | Expired |
| US5136063A | Silicone fatty esters | Textiles; Paper | 29 | Expired |
| US5374759A | Silicone esters of hydroxy acid | Chemistry; Metallurgy | 28 | Expired |
| US5411729A | Silicone polyester polymers as durable humectants | Chemistry; Metallurgy | 27 | Expired |
| US5210133A | Silicone polyester polymers as delivery systems | Chemistry; Metallurgy | 27 | Expired |
| US5070168A | Ether amine functional silicone polymers | Textiles; Paper | 25 | Expired |
| US5051489A | Novel silanol waxes | Textiles; Paper | 25 | Expired |
| US5196499A | Terminal silicone ester quaternary compounds | Chemistry; Metallurgy | 25 | Expired |
| US5312968A | Fluorine containing guerbet citrate esters | Human Necessities | 23 | Expired |
| US4975122A | Water resistant cemetitious materials | Chemistry; Metallurgy | 22 | Expired |
| US5602224A | Silicone alkyl quats | Chemistry; Metallurgy | 21 | Expired |
| US5073619A | Silicone amphoteric polymers | Textiles; Paper | 20 | Expired |
| US5115049A | Fatty carboxylic silicone amine salts | Textiles; Paper | 20 | Expired |
| US5756788A | Silicone polymer-coated, hydrophobized metal oxides | Human Necessities | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.