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271 Preparation method of hexafluoro-1, 3-butadiene
  • CN
  • 202011579415.0 ( 2020-12-28 )
  • SHANDONG DONGYUE CHEMICAL CO., LTD.
272 Electrodialysis extraction method of N-acetyl-L-cysteine
  • CN
  • 202010533245.6 ( 2020-06-12 )
  • JILIN UNIVERSITY
276 L-threonine aldolase mutant R318L and application thereof
  • CN
  • 202010323801.7 ( 2020-04-22 )
  • CHONGQING UNIVERSITY
277 Preparation method and application of bottle-grade bio-based 2, 5-furandicarboxylic acid-based copolyester
  • CN
  • 202010290686.8 ( 2020-04-14 )
  • ZHEJIANG HENGLAN TECHNOLOGY CO., LTD.
279 Method for preparing epsilon-caprolactone, 6-hydroxyhexanoic acid and esters thereof from tetrahydrofuranacetic acid and esters thereof
  • CN
  • 202110254093.0 ( 2021-03-09 )
  • LANZHOU INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES ; SUZHOU RESEARCH INSTITUTE OF LANZHOU INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
280 Device and method for preparing 1,3-propylene glycol crude product solution
  • CN
  • 202110114490.8 ( 2021-01-27 )
  • ZHEJIANG HENGLAN TECHNOLOGY CO., LTD. ; ZHEJIANG UNIVERSITY

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