Propanedinitrile Oxime Ether Compound Preparation Method
Summary
The European Patent Office published application EP3822253A1 by Shenyang Sinochem Agrochemicals R&D Co., Ltd. for a method of preparing propanedinitrile oxime ether compounds and related intermediate compounds. The application was published April 15, 2026, establishing a priority date and making the technical disclosure publicly available. The application designates EU member states including DE, FR, GB, IT, ES, NL, and 31 other jurisdictions.
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GovPing monitors EPO Patent Bulletin - Organic Chemistry (C07D) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 31 changes logged to date.
What changed
The EPO Patent Bulletin entry formally publishes European patent application EP3822253A1, making the technical disclosure of a propanedinitrile oxime ether compound preparation method publicly available. The application identifies seven named inventors and designates 36 jurisdictions including all EU member states plus Switzerland, the UK, Norway, and Turkey.
Competitors developing or producing similar oxime ether compounds or agrochemical intermediates should review this application to assess potential freedom-to-operate implications. The published technical disclosure may provide useful prior art for other patent applications in this chemical space.
Archived snapshot
Apr 23, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
METHOD FOR PREPARING PROPANEDINITRILE OXIME ETHER COMPOUND AND INTERMEDIATE COMPOUND
Publication EP3822253A1 Kind: A1 Apr 15, 2026
Applicants
Shenyang Sinochem Agrochemicals R&D Co., Ltd.
Inventors
WU, Hongfei, CHENG, Xueming, XU, Libao, GUO, Chunxiao, XU, Jingbo, SUN, Ningning, YU, Haibo
IPC Classifications
C07C 253/20 20060101AFI20220308BHEP C07C 255/64 20060101ALI20220308BHEP C07C 253/30 20060101ALI20220308BHEP C07D 277/24 20060101ALI20220308BHEP C07D 213/61 20060101ALI20220308BHEP C07D 277/32 20060101ALI20220308BHEP C07D 215/14 20060101ALI20220308BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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