Isochem
Records under this name other than patents Isochem holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,528,211 | Method for Controlled Polymerization of O-Carboxy Anhydrides Derived from Alpha-Hydroxy Acids Formerly held Term ended Term ended Nov 30, 2025 · High confidence | Term ended | Term ended Nov 30, 2025 | High confidence |
| US 6,479,665 | Process for the preparation of N-carboxyanhydrides Term ended Term ended Oct 29, 2021 · From the USPTO record | Term ended | Term ended Oct 29, 2021 | From the USPTO record |
| US 7,390,929 | Method for the Continuous Synthesis of Monoalkyl-Hydrazines with a Functionalised Alkyl Group Formerly held Lapsed on the fee record Ended Jun 24, 2020 · High confidence | Lapsed on the fee record | Ended Jun 24, 2020 | High confidence |
| US 7,045,659 | Process for the Synthesis of Monochloramine Lapsed on the fee record Ended May 16, 2018 · High confidence | Lapsed on the fee record | Ended May 16, 2018 | High confidence |
| US 6,603,016 | Process for the preparation of N-carboxyanhydrides Lapsed on the fee record Ended Aug 5, 2015 · From the USPTO record | Lapsed on the fee record | Ended Aug 5, 2015 | From the USPTO record |
| US 7,879,999 | Method for the Synthesis of Exocyclic Derivatives of Cycloalkyl-Hydrazines and Exocyclic Derivatives of Heterocycloalkyl-Hydrazines Formerly held Lapsed on the fee record Ended Feb 1, 2015 · High confidence | Lapsed on the fee record | Ended Feb 1, 2015 | High confidence |
| US 6,479,690 | Phosgenation under pressure of alcohol's for producing chloroformates Lapsed on the fee record Ended Nov 12, 2014 · From the USPTO record | Lapsed on the fee record | Ended Nov 12, 2014 | From the USPTO record |
| US 7,667,051 | Method of obtaining urethane-protected N-carboxyanhydrides of alpha amino acids Lapsed on the fee record Ended Feb 23, 2014 · From the USPTO record | Lapsed on the fee record | Ended Feb 23, 2014 | From the USPTO record |
| US 6,696,590 | Process for the synthesis of aliphatic, cycloaliphatic or araliphatic chloroformates Lapsed on the fee record Ended Feb 24, 2012 · From the USPTO record | Lapsed on the fee record | Ended Feb 24, 2012 | From the USPTO record |
| US 6,020,498 | Process for preparing carboxamide oximes Lapsed on the fee record Ended Feb 1, 2012 · From the USPTO record | Lapsed on the fee record | Ended Feb 1, 2012 | From the USPTO record |