Natural Porphin Salt Plant Growth Regulator
Summary
The European Patent Office published patent application EP4578859A1 for Nanjing Bostec Biological Engineering Co., Ltd, covering a natural porphin salt composition for use as a plant growth regulator and immune resistance inducer in agriculture. The patent application was published March 25, 2026, designating 35 European Patent Convention member states. This is an informational patent publication notice establishing intellectual property rights for the applicant.
What changed
The EPO published patent application EP4578859A1 for a natural porphin salt compound developed by Nanjing Bostec Biological Engineering Co., Ltd, classified under IPC codes C07D 487/22, C07D 491/22, A01N 43/90, A01P 21/00, and A01N 59/16. The invention relates to the compound's use as a plant growth regulator and immune resistance inducer in agricultural applications. Designated states include all 35 EPO member states across the European Economic Area.
This patent publication is informational and does not create compliance obligations for third parties. Agricultural technology companies, crop protection firms, and biological product manufacturers operating in the EU should review their technology positions for potential freedom-to-operate concerns in the plant growth regulator space. No immediate action is required, though IP professionals may want to assess competitive implications and potential licensing opportunities.
Archived snapshot
Apr 2, 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.
NATURAL PORPHIN SALT AND USE THEREOF AS PLANT GROWTH REGULATOR AND IMMUNE RESISTANCE INDUCER
Publication EP4578859A1 Kind: A1 Mar 25, 2026
Applicants
Nanjing Bostec Biological Engineering Co., Ltd
Inventors
REN, Yong, WEI, Lihui, WANG, Letian, ZHOU, Dongmei, MENG, Dongfeng
IPC Classifications
C07D 487/22 20060101AFI20260217BHEP C07D 491/22 20060101ALI20260217BHEP A01N 43/90 20060101ALI20260217BHEP A01P 21/00 20060101ALI20260217BHEP A01N 59/16 20060101ALI20260217BHEP
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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