Gerald F Schumacher

Author:

Gerald Schumacher

ISBN #:

0760321078

Author:

Gerald Schumacher

ISBN #:

0760328064

Author:

Gerald E. Schumacher

ISBN #:

0838589464

US Patent:

45116261, Apr 16, 1985

Filed:

Sep 9, 1982

Appl. No.:

6/416301

Inventors:

Gerald F. Schumacher - Stillwater MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

C08G 1876

US Classification:

4284256

Abstract:

Adhesive, coating, or sealant compositions containing prepolymer(s) derived from MDI (or derivative(s) thereof) and polyol(s) containing primary hydroxyl groups, together with bis[2-N,N-dialkylamino)alkyl]ether(s).

US Patent:

47404248, Apr 26, 1988

Filed:

May 27, 1986

Appl. No.:

6/867528

Inventors:

Gerald F. Schumacher - Stillwater MN
John M. Muggee - Stillwater MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

B32B 2706
B32B 2700

US Classification:

428419

Abstract:

Curable compositions useful as adhesives, coatings and sealants, comprising a mixture of (a) isocyanate-functional prepolymer derived from (i) polyisocyanate and (ii) active hydrogen-containing low molecular weight polymer selected from the group consisting of polytetramethylene oxide polyols, polycarbonate polyols, and polysulfide polythiols, and (b) halogenated resin compatible with said prepolymer, said resin containing about 50 to about 70 weight percent halogen.

US Patent:

48573663, Aug 15, 1989

Filed:

Mar 11, 1988

Appl. No.:

7/166636

Inventors:

Gerald E. Schumacher - Stillwater MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

B05D 310
C09J 314

US Classification:

427302

Abstract:

A method is disclosed for treatment of a painted or a glass surface providing improved adhesion of a urethane sealant applied thereafter, comprising applying a solution containing p-toluenesulfonic acid, optionally an organofunctional silane, and an appropriate solvent to the painted or the glass surface, the painted surface being cured and devoid of a resin coating, and thereafter contacting the painted or the glass surface with the urethane sealant. A method for joining painted and glass surfaces using a urethane sealant is also disclosed. Compositions useful within these methods are also described.