John S Sadowski

US Patent:

44839626, Nov 20, 1984

Filed:

Jul 22, 1983

Appl. No.:

6/515991

Inventors:

John S. Sadowski - Kutztown PA

Assignee:

Lord Corporation - Erie PA

International Classification:

C08F23616

US Classification:

524552

Abstract:

Terpolymer latexes prepared by emulsion polymerization of 2,3-dichloro-1,3-butadiene and a mixture of at least two different unsaturated monomers, said unsaturated monomers being at least individually copolymerizable with 2,3-dichloro-1,3-butadiene, provide adhesive systems which afford adhesive strengths comparable to commercial solvent-based adhesives in bonding natural and synthetic elastomers to rigid and non-rigid substrates. The latexes preferably contain at least one aromatic nitroso compound.

US Patent:

49621416, Oct 9, 1990

Filed:

Mar 20, 1989

Appl. No.:

7/326144

Inventors:

John G. Iacoviello - Allentown PA
George Davidowich - Allentown PA
Bheema R. Vijayendran - Emmaus PA
John S. Sadowski - Kutztown PA

Assignee:

Air Products and Chemicals, Inc. - Allentown PA

International Classification:

C08K 534

US Classification:

524 92

Abstract:

Aqueous emulsions containing an ethylene-vinyl chloride (EVCl) copolymer and tetramethylol glycoluril are described for use as binder compositions suitable for application onto nonbonded filter paper. The emulsions are prepared by incorporating 4 to 10 wt % tetramethylol glycoluril, based on the total weight of the emulsion copolymer, into an aqueous disperson of a copolymer consisting essentially of 65 to 90 wt % vinyl chloride 5 to 35 wt % ethylene and optionally, up to 10 wt % of a hydroxyalkyl- or carboxylic acid-containing functional comonomer. The polymerization is conducted in the presence of a stabilizing system consisting essentially of 3 to 15 wt % polyvinyl alcohol. Filter paper impregnated with these emulsions maintain tensile strength and flexibility upon being subjected to hot oil.

US Patent:

52446956, Sep 14, 1993

Filed:

Mar 17, 1992

Appl. No.:

7/852600

Inventors:

George Davidowich - Allentown PA
John G. Iacoviello - Allentown PA
John S. Sadowski - Kutztown PA

Assignee:

Air Products and Chemicals, Inc. - Allentown PA

International Classification:

B05D 302

US Classification:

4273899

Abstract:

A method for making a nonwoven filter which comprises impregnating a nonwoven filter substrate with a curable binder composition, the binder composition consisting essentially of (a) 10 to 100 wt% fully hydrolyzed PVOH which has a DPn of 100 to 2300; and (b) 0 to 90 wt% aqueous polymer emulsion, on a solids basis. The preferred aqueous polymer emulsion is an ethylene-vinyl chloride (EVCl) copolymer emulsion or a vinyl acetate/-N-methylolacrylamide (VAc/NMA) copolymer emulsion, or both.

US Patent:

49992392, Mar 12, 1991

Filed:

May 31, 1990

Appl. No.:

7/531974

Inventors:

John G. Iacoviello - Allentown PA
George Davidowich - Allentown PA
Bheema R. Vijayendran - Emmaus PA
John S. Sadowski - Kutztown PA

Assignee:

Air Products and Chemicals, Inc. - Allentown PA

International Classification:

B01D 3918
B32B 2726
B32B 2730

US Classification:

428288

Abstract:

Aqueous emulsions containing an ethylene-vinyl chloride (EVCl) copolymer and tetramethylol glycoluril are described for use as binder compositions suitable for application onto nonbonded filter paper. The emulsions are prepared by incorporating 4 to 10 wt % tetramethylol glycoluril, based on the total weight of the emulsion copolymer, into an aqueous dispersion of a copolymer consisting essentially of 65 to 90 wt % vinyl chloride, 5 to 35 wt % ethylene and optionally, up to 10 wt % of a hydroxyalkyl- or carboxylic acid-containing functional comonomer. The polymerization is conducted in the presence of a stabilizing system consisting essentially of 3 to 15 wt % polyvinyl alcohol. Filter paper impregnated with these emulsions maintain tensile strength and flexibility upon being subjected to hot oil.

Author:

John Sadowski

ISBN #:

0595416187