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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8163860 | Norbornene copolymer and production method thereof The invention relates to a norbornene copolymer having excellent properties such as transparency, heat resistance, low water absorption and electric insulating property, which copolymer comprises a monomer unit represented by formula (1) and formula (2) | 04/24/2012 |
| 8143360 | Aqueous developable benzocyclobutene-based polymer composition and method of use of such compositions The invention is a composition comprising a curable arylcyclobutene based oligomer or polymer and a dissolution inhibitor which comprises a compound comprising at least two diazonaphthoquinone (DNQ) moieties each of which is pendant from different phenyl groups.... | 03/27/2012 |
| 8114948 | Photosensitive compositions based on polycyclic polymers A copolymer composition including a copolymer having repeat units of structural formula I: where X is selected from —CH2—, —CH2—CH2— and O; m is an integer from 0 to 5; and each oc... | 02/14/2012 |
| 8084563 | Cyclic olefin addition copolymer, process for production thereof, and retardation film obtained from the copolymer A cyclic olefin addition copolymer includes a structural unit (1) derived from a cyclic olefin compound with a C4 alkyl substituent group and a structural unit (2) derived from a cyclic olefin compound with a C5-12 alkyl substituent group, and optionally includes a ... | 12/27/2011 |
| 8080623 | Polymerizable composition, crosslinkable resin, and manufacture methods and applications thereof A polymerizable composition suitable as an electric material and the like used in an electric circuit board, which comprises a norbornene monomer, a metathesis polymerization catalyst, and a chain transfer agent composed of a compound represented by formula (A): | 12/20/2011 |
| 8030425 | Photosensitive compositions based on polycyclic polymers for low stress, high temperature films Vinyl addition polymer compositions, methods for forming such compositions, methods for using such compositions to form microelectronic and optoelectronic devices are provided. The vinyl addition polymer encompassed by such compositions has a polymer backbone having... | 10/04/2011 |
| 8013090 | Film comprising norbornene compound addition polymer A film comprising a norbornene (NB) compound addition polymer that is excellent in chemical resistance, optical properties and the like, has a high Tg, a low water absorption ratio and a low linear expansion coefficient, and is soluble in an ordinary solvent. | 09/06/2011 |
| 7989571 | Method for producing norbornene monomer composition, norbornene polymer prepared therefrom, optical film comprising the norbornene polymer, and method for producing the norbornene polymer Disclosed is a method for producing a norbornene monomer composition, a norbornene polymer produced using the norbornene monomer composition, an optical film including the norbornene polymer, and a method for producing the norbornene polymer. The method includes rea... | 08/02/2011 |
| 7977440 | Optical element and optical pickup apparatus A production method of an objective lens for optical pickup apparatus having a numerical aperture NA of image side of 0.80 to 0.90 is disclosed. The method includes steps of molding resin composition containing copolymer of α-olefin and a cyclic olefin represented ... | 07/12/2011 |
| 7947793 | Ethylene/α-olefin block copolymers Embodiments of the invention provide a class of ethylene/α-olefin block interpolymers. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw... | 05/24/2011 |
| 7858721 | Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films Some embodiments in accordance with the present invention relate to norbornene-type polymers and to photosensitive dielectric resin compositions formed therefrom. Other embodiments relate to films formed from such compositions and to devices, such as electrical, ele... | 12/28/2010 |
| 7763691 | Norbornene monomers with fluorene group and polymer material thereof Norbornene monomers with fluorene group and polymer material thereof are disclosed. The norbornene monomers with fluorene group are prepared by Diels-Alder reation. The Norbornene monomers containing fluorene groups are highly active for ring-opening-metathesis poly... | 07/27/2010 |
| 7714087 | Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof A polar group-containing olefin copolymer having excellent adhesion properties to metals or polar resins and excellent compatibility therewith, a process for preparing the copolymer, a thermoplastic resin composition containing the copolymer, and uses thereof. The p... | 05/11/2010 |
| 7666966 | Method of manufacturing thermoplastic resin, crosslinked resin, and crosslinked resin composite material The invention relates to a process for the production of post-crosslinkable thermoplastic resins by bulk-polymerizing a polymerizable composition (A) comprising (I) a monomer fluid containing a cyclic olefin (α) having two or more metathetical ring-opening reaction... | 02/23/2010 |
| 7635741 | Multifunctional monomers and their use in making cross-linked polymers and porous films This invention is a monomer comprising at least two dienophile groups and at least two ring structures which ring structures are characterized by the presence of two conjugated carbon-to-carbon double bonds and the presence of a leaving group L, wherein L is charact... | 12/22/2009 |
| 7550546 | Norbornene-based polymers, films, polarizing plates and liquid crystal display devices A norbornene-based polymer contains at least one kind of a repeating unit represented by the following formula (I): wherein R1 and R2 each represent a hydrogen atom, an alkyl group which may possess a ... | 06/23/2009 |
| 7538172 | Dental materials polymerizable by photo-induced ring-opening metathesis polymerization of cyclic olefins Dental material being polymerizable by ring-opening metathesis polymerization comprising (i) at lest one ruthenium complex bearing at least one N-heterocyclic carbene ligand or precursors which generate a ruthenium complex bearing at least one N-heterocyclic carbene... | 05/26/2009 |
| 7476716 | Method of manufacturing thermoplastic resin, crosslinked resin, and crosslinked resin composite material The invention relates to a process for the production of post-crosslinkable thermoplastic resins by bulk-polymerizing a polymerizable composition (A) comprising (I) a monomer fluid containing a cyclic olefin (α) having two or more metathetical ring-opening reaction... | 01/13/2009 |
| 7442752 | Nobonene-ester based addition polymer and method for preparing the same The present invention relates to a norbornene based addition polymer, and more particularly to an addition polymer of norbornene based monomers containing an ester group. The present invention provides a norbornene-ester based addition polymer having a molecular wei... | 10/28/2008 |
| 7422836 | Dissolution rate modifiers for photoresist compositions Oligomers of polycyclic olefin monomers, and optionally allylic or olefinic monomers, and a method of making such oligomers that includes reacting polycyclic olefin monomers in the presence of a Ni or Pd containing catalyst, or in the case of allylic monomers in the... | 09/09/2008 |
| 7423102 | Star polymer The present invention provides a star polymer which comprises a central core and three or more branches bonded to the central core, and has a weight average molecular weight of from 1,000 to 100,000, wherein at least one of the branches containing at least one repea... | 09/09/2008 |
| 7419761 | Photoresist monomer having spiro cyclic ketal group, polymer thereof and photoresist composition including the same A photoresist polymer having a spiro cyclic ketal group, and a photoresist composition including the same is disclosed. The photoresist polymer and the photoresist composition can improve the resolution and the process margin due to its low activation energy of the ... | 09/02/2008 |
| 7408013 | Low-polydispersity photoimageable polymers and photoresists and processes for microlithography The invention pertains to low polydispersity copolymers useful for photoimaging and photoresist compositions, and to the photoimaging processes which use these compositions. The low polydispersity copolymers of this invention are prepared using controlled radical po... | 08/05/2008 |
| 7399806 | Synthesis of photoresist polymers The present invention is directed to the preparation of photoresist polymers via living free radical polymerization techniques. Sterically bulky ester monomers are utilized as the polymerization components. Use of chain transfer agents is included in polymerization ... | 07/15/2008 |
| 7393907 | Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof The present invention is a polar group-containing olefin copolymer having excellent adhesion properties to metals or polar resins and excellent compatibility therewith. A process for preparing the copolymer, a thermoplastic resin composition containing the copolymer... | 07/01/2008 |
| 7393624 | Negative resists based on acid-catalyzed elimination of polar molecules The present invention provides polymers that are useful in negative resist compositions. Polymers of the present invention comprise (1) a first monomer having a polar functional group; (2) a second monomer; and optionally, (3) a third monomer that imparts at least o... | 07/01/2008 |
| 7390864 | Norbornene-based polymer, film, polarizing plate and liquid crystal display device A norbornene-based polymer, which is formed by addition polymerization of a composition comprising at least one norbornene derivative represented by formula (1): wherein R1, R2... | 06/24/2008 |
| 7371273 | Latexes and ink-jet inks prepared using blocked acid monomers The present is drawn to the use of blocked acid monomers for the incorporation of highly acidic groups, such as strong acids and multiple acids, on the surface of latex particles via emulsion polymerization. In accordance with this, a method of forming latex particu... | 05/13/2008 |
| 7368483 | Porous composition of matter, and method of making same A low-k organic dielectric material having stable nano-sized porous is provided as well as a method of fabricating the same. The porous low-k organic dielectric material is made from a composition of matter having a vitrification temperature (Tv-comp) which includes... | 05/06/2008 |
| 7361447 | Photoresist polymer and photoresist composition containing the same Photoresist polymers and photoresist compositions containing the same. Photoresist patterns of less than 50 nm are achieved with EUV (Extreme Ultraviolet) as an exposure light source with photoresist compositions comprising (i) a photoresist polymer comprising a pol... | 04/22/2008 |
| 7344820 | Chemically amplified polymer having pendant group with dicyclohexyl and resist composition comprising the same The present invention relates to a chemically amplified polymer having a pendent group with dicyclohexyl bonded thereto, a process for the preparation thereof, and a resist composition comprising it, and more particularly, to a novel (meth)acrylic or norbornene carb... | 03/18/2008 |
| 7341818 | Norbornene-type monomers and polymers containing pendent lactone or sultone groups The disclosed invention relates to novel norborne-type monomers containing pendent lactone or sultone groups. The invention also relates to norborne-type polymers and copolymers containing pendent lactone or sultone groups. These polymers and copolymers are useful i... | 03/11/2008 |
| 7339014 | (Meth)acrylate, raw material alcohol for the (meth)acrylate, method of producing the (meth)acrylate and the alcohol, polymer produced by polymerizing the (meth)acrylate, chemically amplified resist composition, and method of the formation of a pattern A (meth)acrylate represented by the following formula (1): wherein each of R1, R2, R3 and R4 represents a hydrogen atom, a methyl group or an ethyl group;... | 03/04/2008 |
| 7335709 | Polymerizate composition and a method for producing the same The invention relates to water-soluble, preferably powder-form polymer compositions which are obtained by continuous polymerization of at least one unsaturated monomer. At least one parameter that influences the polymerization is varied according to a recurrent patt... | 02/26/2008 |
| 7335704 | Functional norbornenes and polymeric derivatives and fabrication thereof The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis po... | 02/26/2008 |
| 7335455 | Method of forming an underlayer of a bi-layer resist film and method of fabricating a semiconductor device using the same A method of forming an underlayer of a bi-layer resist including forming a blended material by blending a polymer having an aromatic group and a methacrylate polymer, and coating a substrate with the blended material. The blended material coated on the substrate is ... | 02/26/2008 |
| 7312292 | Polycyclic polymers containing pendant ion conducting moieties A polymer comprising polycyclic repeating units having recurring ion conducting groups and optional crosslinkable groups is disclosed. The present invention provides the capability of tailoring polymers to impart unique properties to membranes fabricated from the po... | 12/25/2007 |
| 7312285 | Method for preparing norbornene based addition polymer containing ester or acetyl functional group The present invention relates to a method for preparing a cyclic olefin polymer by addition polymerization, and more particularly to a method for preparing a norbornene-based addition polymer, which comprises a step of contacting a norbornene-based monomer having an... | 12/25/2007 |
| 7312254 | High temperature stabilization of UV systems A composition comprising one or more radiation curable monomers and/or oligomers and one or heat stable composition comprising at least one radiation-curable alpha, beta-ethylenically unsaturated compound, at least one phenolic stabilizer, and at least one non-pheno... | 12/25/2007 |
| 7300739 | Negative resists based on a acid-catalyzed elimination of polar molecules The present invention provides polymers that are useful in negative resist compositions. Polymers of the present invention comprise (1) a first monomer having a polar functional group; (2) a second monomer; and optionally, (3) a third monomer that imparts at least o... | 11/27/2007 |
