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| Number | Title | Issue Date |
| 4988742 | Tackified terpolymer adhesives An acrylic terpolymer pressure-sensitive adhesive comprising a photopolymerized polymer containing an alkyl acrylate monomer, the alkyl groups of which have an average of 6 to 12 carbon atoms, a first polar copolymerizable monomer selected from strongly p... | 01/29/1991 |
| 4988567 | Hollow acid-free acrylate polymeric microspheres having multiple small voids Hollow, polymeric, acrylate, infusible, inherently tacky, solvent-insoluble, solvent-dispersible, elastomeric, nitrogen-containing, acid-free pressure-sensitive adhesive microspheres having an average diameter of at least about 1 micrometer wherein a majo... | 01/29/1991 |
| 4968562 | Hollow acid-free acrylate polymeric microspheres having multiple small voids Hollow, polymeric, acrylate, infusible, inherently tacky, solvent-insoluble, solvent-dispersible, elastomeric, nitrogen-containing, acid-free pressure-sensitive adhesive microspheres having an average diameter of at least about 1 micrometer wherein a majo... | 11/06/1990 |
| 4943461 | Radiation-curable pressure-sensitive adhesive having improved adhesion to plasticized vinyl substrates The current invention provides a photopolymerized pressure-sensitive adhesive which adheres well to all common surfaces and has an outstanding ability to bond to plasticized vinyl substrates and to remain firmly bonded thereto even after remaining in cont... | 07/24/1990 |
| 4933396 | Method of making purely primary diamines The present invention provides a method for making primary amine terminated linear polyethers of molecular weight above about 3500 which have virtually no contamination from in-chain secondary amine functionalities or amine-terminated tertiary amine side-... | 06/12/1990 |
| 4895745 | Dark acrylic pressure-sensitive adhesive A pressure-sensitive adhesive tape can be produced by photopolymerization and yet its pressure-sensitive adhesive layer can have a dark appearance when it contains a pigment or dye plus finely divided hydrophobic silica. As compared to a tape which is ide... | 01/23/1990 |
| 4895738 | Method of making a unified pressure-sensitive adhesive tape A pressure-sensitive adhesive tape comprising a plurality of superimposed layers, at least one outer layer being a pressure-sensitive adhesive layer, contiguous layer defining an interface therebetween, each of said layers comprising a photopolymerized ma... | 01/23/1990 |
| 4894259 | Process of making a unified pressure-sensitive adhesive tape A process of making pressure-sensitive adhesive tape comprising a plurality of concurrently coated superimposed layers, at least one outer layer being a pressure-sensitive adhesive layer, contiguous layers defining an interface therebetween, each of the l... | 01/16/1990 |
