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公开(公告)号:US20180371111A1
公开(公告)日:2018-12-27
申请号:US16062176
申请日:2016-12-13
申请人: Versalis S.P.A.
摘要: The present invention relates to the industrial sector of extracting and processing natural rubber, and other components, from plant material. In particular, the invention relates to a process for extracting latex, resin and rubber from guayule and/or guayule-type plants, which comprises harvest, preservation, mechanical and chemical treatment of the plant parts, which is applicable both in the laboratory and on an industrial scale and is characterised by significantly high yields and high quality of the extracted products.
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2.
公开(公告)号:US20180043338A1
公开(公告)日:2018-02-15
申请号:US15783097
申请日:2017-10-13
申请人: versalis S.p.A.
CPC分类号: B01J23/626 , B01J21/04 , B01J21/12 , B01J23/58 , B01J23/62 , B01J23/624 , B01J37/0045 , C07C5/3332 , C07C5/3335 , C07C5/3337 , C07C2521/04 , C07C2521/08 , C07C2521/12 , C07C2523/02 , C07C2523/04 , C07C2523/08 , C07C2523/14 , C07C2523/42 , C07C2523/62 , C07C2523/63 , C07C11/167
摘要: The present invention relates to a dehydrogenation process starting from reagents selected from single butenes, or mixtures thereof, or mixtures of butenes with butanes, to give 1-3 butadiene using catalytic composition of microspheroidal alumina and an active component containing a mixture comprising Gallium and/or Gallium oxides, Tin and/or Tin oxides, a quantity ranging from 1 ppm to 500 ppm with respect to the total weight of the catalytic composition of platinum and/or platinum oxides, and oxides of alkaline and/or alkaline earth metals.
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