公开(公告)号：US11059722B2

公开(公告)日：2021-07-13

申请号：US16807671

申请日：2020-03-03

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： Scott Donald Barnicki ,  Robert Thomas Hembre ,  Elaine Beatrice Mackenzie ,  Joy Lynn Laningham ,  Michael Richard Laningham ,  Shane Kipley Kirk ,  Larry Wayne Blair ,  Sumit Chakraborty ,  Venkateswarlu Bhamidi ,  Guoxiong Hua ,  John Derek Woollins

IPC: C01B17/02 ,  C01B17/12 ,  C07D341/00

Abstract: The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.

公开(公告)号：US10011485B2

公开(公告)日：2018-07-03

申请号：US15440056

申请日：2017-02-23

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： Scott Donald Barnicki ,  Robert Thomas Hembre ,  Elaine Beatrice MacKenzie ,  Joy Lynn Laningham ,  Michael Richard Laningham ,  Shane Kipley Kirk ,  Larry Wayne Blair ,  Sumit Chakraborty ,  Venkateswarlu Bhamidi ,  Guoxiong Hua ,  John Derek Woollins

IPC: C01B17/02 ,  C01B17/12 ,  C07D341/00

CPC classification number: C01B17/0253 ,  C01B17/0243 ,  C01B17/12 ,  C07D341/00

Abstract: The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.