ISOCHEM
🏢 View company profile →16Patents
2Active
16Granted
32Portfolio score
Filing activity: Aug 13, 1990 → Apr 6, 2007 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7045659B2 | Process for the synthesis of monochloramine | Chemistry; Metallurgy | 4 | Expired |
| US6479665B2 | Process for the preparation of N-carboxyanhydrides | Chemistry; Metallurgy | 4 | Expired |
| US6603016B2 | Process for the preparation of N-carboxyanhydrides | Chemistry; Metallurgy | 3 | Expired |
| US5292885A | Pyranone, process for its preparation, its use in the preparation of a new pyridinone and a process for the preparation of same | Chemistry; Metallurgy | 2 | Expired |
| US6858751B1 | Process for preparing aliphatic fluorofomates | Chemistry; Metallurgy | 2 | Expired |
| US6020498A | Process for preparing carboxamide oximes | Chemistry; Metallurgy | 1 | Expired |
| US7390929B2 | Method for the continuous synthesis of monoalkyl-hydrazines with a functionalized alkyl group | Chemistry; Metallurgy | 1 | Expired |
| US7667051B2 | Method of obtaining urethane-protected N-carboxyanhydrides of alpha amino acids | Chemistry; Metallurgy | 0 | Expired |
| US7078564B2 | Process for the preparation of ωbenzyl esters of amino diacids and of alkanesulphonates of these esters, and these alkanesulphonates | Chemistry; Metallurgy | 0 | Expired |
| US5380856A | Process for preparation of a polymorphic form of terphenadine having a high melting point and enhanced purity, and the product thus obtained | Chemistry; Metallurgy | 0 | Expired |
| US6294692A | Process for producing N-formylleucine of high purity | Chemistry; Metallurgy | 0 | Expired |
| US7132535B2 | Process for preparing hexahydropyridazine-3-carboxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
| US6905666B2 | Process for the selective decomposition of hydrazine in a hydrazine/substituted hydrazine/water mixture | Chemistry; Metallurgy | 0 | Expired |
| US7528211B2 | Method for controlled polymerization of o-carboxy anhydrides derived from α-hydroxy acids | Chemistry; Metallurgy | 0 | Active |
| US7879999B2 | Method for the synthesis of exocyclic derivatives of cycloalkyl-hydrazines and exocyclic derivatives of heterocycloalkyl-hydrazines | Chemistry; Metallurgy | 0 | Active |
| US6613929B2 | Process for preparation of fluoroformates | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.