公开(公告)号：US09932291B2

公开(公告)日：2018-04-03

申请号：US15521440

申请日：2015-10-13

Applicant: Rohm and Haas Company

Inventor： Joy L. Mendoza ,  Philippe P. Maillot ,  Mingyu Ye ,  Stacy W. Hoy, IV

IPC: C07C67/20 ,  C07C69/54 ,  C07C67/58 ,  C07C67/54

CPC classification number: C07C67/20 ,  C07C67/54 ,  C07C67/58 ,  C07C69/54

Abstract: Fouling of an MMA process is reduced by acidifying a stream comprising recycled components.

公开(公告)号：US09416092B2

公开(公告)日：2016-08-16

申请号：US14382686

申请日：2013-02-11

Applicant: Rohm and Haas Company

Inventor： David A. Flosser ,  Philippe P. Maillot ,  Nawal K. Sharma ,  Alejandro Ceron ,  Mingyu Ye

IPC: C07C67/317 ,  C07C67/03 ,  C07D233/32

CPC classification number: C07C67/317 ,  C07C67/03 ,  C07D233/32 ,  Y02P20/582 ,  C07C69/54

Abstract: A transesterification process produces a (meth)acrylate ester product from a mixture comprising an alkyl(meth)acrylate reactant, an alcohol reactant, a catalyst, and a polymerization inhibitor. The mixture is subjected to reaction conditions sufficient to produce a product (meth)acrylate and a product alcohol, which are different than the reactants.

Abstract translation: 酯交换方法由包含（甲基）丙烯酸烷基酯反应物，醇反应物，催化剂和阻聚剂的混合物产生（甲基）丙烯酸酯产物。 使混合物经受足以产生与反应物不同的产物（甲基）丙烯酸酯和产物醇的反应条件。