Heather Webb

US Patent:

52294790, Jul 20, 1993

Filed:

May 14, 1991

Appl. No.:

7/699694

Inventors:

Donald W. McQuigg - Mooresville IN
Heather K. Webb - Champaign IL
Edward E. Sowers - Mooresville IN

Assignee:

Reilly Industries, Inc. - Indianapolis IN

International Classification:

C08F 244
C08F22606

US Classification:

526200

Abstract:

A cross-linked polymer-supported 4-(N-benzyl-N-methylamino) pyridine material and process for its preparation in high yield and having effective physical and catalytic properties. The polymer-supported catalyst is characterized by the suspension copolymerization of an organic phase containing the corresponding vinyl-substituted pyridine monomer, a styrene monomer, and a suitable cross-linking agent and free radical-generating catalyst in the presence of an aqueous phase containing a cellulose ether derivative as the stabilizing agent. The catalyst is further characterized by its yield in excess of 90% by weight and by its predominant and generally spherical and smooth bead form and substantially uniform size that is efficiently hard and durable and possesses sufficient catalytic activity for effective use in acylation, alkylation or other related reactions.

US Patent:

50157060, May 14, 1991

Filed:

Sep 21, 1988

Appl. No.:

7/247152

Inventors:

Donald W. McQuigg - Mooresville IN
Heather K. Webb - Champaign IL
Edward E. Sowers - Mooresville IN

Assignee:

Reilly Industries, Inc., - Indianapolis IN

International Classification:

C08T 208

US Classification:

526200

Abstract:

A cross-linked polymer-supported 4-(N-benzyl-N-methylamino) pyridine material and process for its preparation in high yield and having effective physical and catalytic properties. The polymer-supported catalyst is characterizd by the suspension copolymerization of an organic phase containing the corresponding vinyl-substituted pyridine monomer, a styrene monomer, and a suitable cross-linking agent and free radical-generating catalyst in the presence of an aqueous phase containing a cellulose ether derivative as the stabilizing agent. The catalyst is further characterized by its yield in excess of 90% by weight and by its predominant and generally spherical and smooth bead form and substantially uniform size that is efficiently hard and durable and possesses sufficient catalytic activity for effective use in acylation, alkylation or other related reactions.