1
Gaddam N Babu, Greggory S Bennett, Kejian Chen, Steven M Heilmann, Howell K Smith II, Louis E Winslow: Acrylamido functional disubstituted acetyl aryl ketone photoinitiators. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Lorraine R Sherman, April 9, 1996: US05506279 (137 worldwide citation)

The invention provides novel acrylamide functional disubstituted acetyl aryl ketones and a process for their preparation in high yields uncontaminated by difunctional material. The invention further provides photocrosslinkable compositions comprising one or more ethylenically-unsaturated monomers an ...


2
Patrick G Zimmerman, Gaddam N Babu, Lang N Nguyen, Ingrid E Blair, George F Vesley: Pressure-sensitive adhesive. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Robert W Sprague, April 13, 1993: US05202361 (85 worldwide citation)

Radiation-curable, tackifier-free compositions are provided which contain: (i) a blend of certain acrylate esters and monoethylenically-unsaturated copolymerizable monomers; (ii) certain .alpha.-olefin polymers; and (iii) a photoinitiator and optionally, a crosslinker. Pressure-sensitive adhesives h ...


3
Greggory S Bennett, Gaddam N Babu, Kejian Chen, Louis E Winslow, George F Vesley, Patrick G Zimmerman: Acrylic syrup curable to a crosslinked viscoelastomeric material. Minnesota Mining and Manufacturing Company, Harold C Knecht III, May 11, 1999: US05902836 (83 worldwide citation)

Solute polymers in solvent monomers form a coatable syrup that can be cured to a viscoelastomeric material when radiation-sensitive .alpha.-cleaving groups in either the polymer or one of the monomers are exposed to ultraviolet radiation. The solute polymers can be formed from the solvent monomers i ...


4
Gaddam N Babu, Susan S Christopher, Bruce C Copley, Thomas S Overstreet: Radiation curable polyolefin pressure sensitive adhesive. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Lorraine R Sherman, May 11, 1993: US05209971 (64 worldwide citation)

Pressure sensitive adhesive compositions comprise one or more poly(alpha-olefin) homopolymers, copolymers, terpolymers, and tetrapolymers derived from monomers containing 6 to 10 carbon atoms and photoactive crosslinking agents wherein radiation curing provides adhesive films having a superior balan ...


5
Gaddam N Babu, Susan S Christopher, Pierre H LePere, James R Peterson: Microwave-active tape having a cured polyolefin pressure-sensitive adhesive layer. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Carolyn V Peters, March 29, 1994: US05298708 (48 worldwide citation)

A piece of microwave-active tape which is odor-free and physiologically inert can be adhered to a food package and remains strongly adhered during cooking at temperatures of at least 200.degree. C. The tape has layers of microwave-active material and a pressure-sensitive adhesive which is a polymeri ...


6
Gaddam N Babu, Susan S Christopher, Bruce C Copley, Thomas S Overstreet: Radiation curable polyolefin pressure sensitive adhesive. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Lorraine R Sherman, May 12, 1992: US05112882 (48 worldwide citation)

Pressure sensitive adhesive compositions comprise one or more poly(alpha-olefin) homopolymers, copolymers, terpolymers, and tetrapolymers derived from monomers containing 6 to 10 carbon atoms and photoactive crosslinking agents. Radiation curing provides adhesive films having a superior balance of p ...


7
Gaddam N Babu, Dennis D Hansen: Sprayable thermoplastic compositions. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Robert H Brink, March 28, 1995: US05401792 (46 worldwide citation)

Sprayable hot-melt adhesive compositions are disclosed comprising (A) styrenic block copolymer, (B) tackifying resin, and (C) ethylene copolymer. Methods of preparing and using said compositions are also disclosed.


8
Steven M Heilmann, Gaddam N Babu, Larry R Krepski, Howell K Smith II, Daniel E Mickus: Chromophoric photocrosslinking compound. 3M Innovative Properties Company, David G Burleson, Ann M Mueting, Philip Y Dahl, June 12, 2001: US06245922 (35 worldwide citation)

A photoactive compound that is the reaction product of an alkenyl azlactone compound and a nucleophilic aromatic ketone is described. Mer units derived from this compound can be used, for example, to crosslink via a hydrogen abstracting mechanism acrylic polymers in which they are incorporated.


9
Gaddam N Babu, Susan S Christopher, Pierre H LePere, James R Peterson: Microwave-active tape having a cured polyolefin pressure-sensitive adhesive layer. Minnesota Mining and Manufacturing Company, Carolyn V Peters, Walter N Kirn, Gary L Griswold, June 27, 1995: US05428209 (34 worldwide citation)

A piece of microwave-active tape which is odor-free and physiologically inert can be adhered to a food package and remains strongly adhered during cooking at temperatures of at least 200.degree. C. The tape has layers of microwave-active material and a pressure-sensitive adhesive which is a polymeri ...


10
Louis E Winslow, Greggory S Bennett, Gaddam N Babu, Paul Hattam, Michael L Tumey, Bhaskar V Velamakanni: Process for the production of an article coated with a crosslinked pressure sensitive adhesive. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Harold C Knecht III, April 21, 1998: US05741543 (33 worldwide citation)

This invention relates to a process in which a composition is coated onto a substrate and crosslinked so as to form a PSA by means of polymerizing free radically polymerizable monomers from covalently attached pendent unsaturation in the polymer component of the composition. The coating can carried ...