Famous Patents
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 |
| 8153731 | Comb (block) copolymers The present invention relates to comb (block) copolymers obtainable by reacting I at least one (block) copolymer comprising polymerized, optionally substituted styrene and maleic anhydride units, which copolymer has been obtained by living, free-radical... | 04/10/2012 |
| 7842757 | Pigment preparation The invention relates to a solid pigment preparation comprising a pigment and a dispersant resin, wherein the composition comprises at least 35% by weight of at least one pigment and at most 65% by weight of dispersant resin, calculated on the combined weight of pig... | 11/30/2010 |
| 7803879 | Formaldehyde free binder An aqueous, formaldehyde-free binder composition comprising a modified copolymer of maleic anhydride and a vinyl aromatic compound such as styrene, the copolymer being modified by reaction with a primary alkanolamine, such as monoethanolamine (MEA), to produce a mod... | 09/28/2010 |
| 7795354 | Formaldehyde free binder An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromati... | 09/14/2010 |
| 7745541 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one ether compound and with at least one aromatic amine. ... | 06/29/2010 |
| 7745542 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one ether compound and with at least one aromatic amine. ... | 06/29/2010 |
| 7531604 | Phospholipid derivative A phospholipid derivative, utilizable for modification of liposomes and the like, which is a copolymer containing, as essential component units, a component unit A represented by the formula (1), a component unit B represented by the formula (2A) and/or the formula ... | 05/12/2009 |
| 7473739 | Particulate water absorbent agent and production method thereof, and water absorbent article A particulate water absorbing agent of the present invention includes a water absorbent resin, having a cross-linking structure, whose surface has been cross-linked by adding a surface treatment agent, wherein: (i) a mass average particle diameter (D50) range... | 01/06/2009 |
| 7390855 | Concrete admixture additive A new family of concrete admixture additives can be derived from reacting a mixture of olefins/cyclic olefins-maleic anhydride copolymers and methoxy polyethylene glycol amines and/or polyethylene glycol monoalkyl ethers, or a mixture of styrene-maleic anhydride cop... | 06/24/2008 |
| 7375163 | Cement admixture for improved slump life Described are polymers and cement admixtures which reduce drop in fluidity with time. Said admixture comprises at least one polymer of the present invention and at least one polymer A. The polymer of the present invention comprises side chains of which at least 10 w... | 05/20/2008 |
| 7371713 | Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing grafted copolymer A graft copolymer containing one or more ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomers grafted to a polyolefin is disclosed. Novel monomers, methods of making such monomers, and graft copolymers comprising such ... | 05/13/2008 |
| 7365108 | Pigmented ink-jet inks with improved print quality and reliability An ink includes a jettable vehicle, a plurality of pigment solids dispersed in the jettable vehicle, and a styrene-maleimide copolymer dispersed in the jettable vehicle. Additionally, a method of rapidly printing an ink-jet image including ink-jetting an ink-jet ink... | 04/29/2008 |
| 7361629 | Additives for lubricants and fuels A multi-functional composition for use as an additive for fuels and lubricants. The composition includes an amination product of a hydrocarbyl substituted succinic acylating agent and a mixture containing an aliphatic polyamine and an aromatic polyamine. The molar r... | 04/22/2008 |
| 7326751 | Method of thermally processing elastomeric compositions and elastomeric compositions with improved processability The present invention provides an improved elastomeric composition that includes from about 0.01 to about 0.5 weight percent of a polyorganosiloxane or a combination of polyorganosiloxanes. ... | 02/05/2008 |
| 7294683 | Non-gelled curable compositions containing imide functional compounds The present invention is directed to a non-gelled, curable composition including at least one compound having a plurality of imide functional groups. The compound in particular contains a reaction product of at least one secondary monoamine and at least one maleimid... | 11/13/2007 |
| 7265181 | Polyimide cross-linked polymer and shaped article thereof Provided according to the invention are cross-linked polymers comprising an anhydride or partially hydrolyzed anhydride functionalized polymer having oligomeric polyimide cross-links, providing a polymeric composite on a molecular scale, and shaped articles made the... | 09/04/2007 |
| 7265182 | Polyamic acid cross-linked polymer and formable composition therefrom Cross-linked polymers comprising an anhydride or partially hydrolyzed anhydride functionalized polymer having oligomeric polyamic acid cross-links are provided. In solution, a polymer of the invention forms a formable gel. The formable gel is useful for forming shap... | 09/04/2007 |
| 7238650 | Low-chlorine, polyolefin-substituted, with amine reacted, alpha-beta unsaturated carboxylic compounds A composition of matter comprising an amine acylated with a hydrocarbyl group substituted carboxylic acylating agent containing an average of from 1.3 to 1.6 groups derived from α,β-unsaturated carboxylic compounds per Mn of the hydrocarbyl group... | 07/03/2007 |
| 7183360 | Method for crosslinking hydrogels with morpholine-2,3-diones The invention relates to a method for gel post-crosslinking or surface post-crosslinking water-absorbing hydogels with morpholine-2,3-diones, to the post-crosslinked hydrogels and to the use thereof. ... | 02/27/2007 |
| 7138463 | Carbamate functional addition polymers and a method for their preparation A carbamate or terminal urea functional vinyl polymer is prepared by reacting a compound having an hydroxyl group and a carbamate group, terminal urea group, or a group that can be converted to a carbamate or terminal urea group, with a cyclic carboxylic acid anhydr... | 11/21/2006 |
| 7091306 | Process for preparing polyalkenylsuccinimides The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of: (a) preparing a polyalkenyl derivative of an unsaturated acidic reagent... | 08/15/2006 |
| 7084202 | Molecular complexes and release agents A molecular complex for application to fuser members in toner fusing systems. The complex is formed from molecules with complementary acid and base functional groups. These groups interact to provide a noncovalent bond having a bond energy of about 20 kJ/mol or more... | 08/01/2006 |
| 7067592 | Thermoplastic elastomer composition A thermoplastic elastomer composition includes: a thermoplastic elastomer having a carbonyl-containing group and a nitrogen-containing heterocycle in a side chain thereof; and an amino group-containing compound. The thermoplastic elastomer composition retains excell... | 06/27/2006 |
| 7041738 | Cold flow improvers for fuel oils of vegetable or animal origin The present invention provides an additive for improving the cold flow properties of vegetable or animal fuel oil. The additive comprises A) a copolymer of ethylene and 8–21 mol % of at least one acrylic or vinyl ester having a C1–C1... | 05/09/2006 |
| 7014667 | Preparation of additive mixtures for mineral oils and mineral oil distillates The present invention provides a continuous process for preparing additive mixtures for mineral oils and mineral oil distillates, comprising A) a cold flow improver for middle distillates, and at least one further component selecte... | 03/21/2006 |
| 6984699 | Binder for glass fibers, glass fibers for olefin resin reinforcement, and process for producing olefin resin composition for fiber-reinforced molding This invention provides a sizing composition for glass fibers useful in reinforcing an olefin resin, which comprises at least a) an acid-modified olefin resin which has been neutralized with an amine and b) an amino-containing silane coupling agent. The sizing compo... | 01/10/2006 |
| 6943219 | Polymer and epoxy resin compositions The present invention provides a vinyl polymer with an epoxy group terminally introduced therein and an epoxy resin composition comprising (A) an epoxy resin and (B) a vinyl polymer which has a main chain produced by living radical polymerization and has a reactive ... | 09/13/2005 |
| 6930153 | Production of maleic anhydride modified butyl rubber and use thereof A method for producing maleic anhydride modified butyl rubber comprising reacting a halogenated butyl rubber with maleic anhydride in the presence of (i) an acid acceptor and (ii) a monofunctional hindered amine and/or monofunctional hindered phenol; which is useful... | 08/16/2005 |
| 6884838 | Water repellant fiberglass binder Provided is a fiberglass binder composition which comprises a polycarboxy polymer modified with a fatty acid, and a polyol. The binder also preferably includes a catalyst which is an alkali metal salt of a phosphorus-containing organic acid. The resultant binder pro... | 04/26/2005 |
| 6852803 | Graft copolymer with a urethane/urea group as a pigment dispersant A polymer dispersant for pigments based on a graft copolymer which contains a new type of urea functional group as the pigment anchoring group. The urea groups are attached to the graft copolymer by a convenient method which involves reaction of hydroxyl functional ... | 02/08/2005 |
| 6812322 | Polyamide A process for the preparation of novel polyamides, the use of such polyamides for the production of fibers, sheets and moldings, and fibers, sheets and moldings obtainable from such polyamides, are provided. ... | 11/02/2004 |
| 6809157 | Thermoplastic polymer and thermoplastic elastomer composition A thermoplastic polymer having a carbonyl-containing group and a nitrogen-containing 5-membered heterocycle-containing group in side chains, and a composition thereof. The thermoplastic polymer and composition thereof have excellent recycle property in that physical... | 10/26/2004 |
| 6803439 | Fatty acid containing fiberglass binder Provided is a fiberglass binder composition which comprises a polycarboxy polymer, polyol and a fatty acid. The binder also preferably includes a catalyst which is an alkali metal salt of a phosphorus-containing organic acid. The resultant binder provides minimal pr... | 10/12/2004 |
| 6800696 | Method for producing copolymer of alkylvinyl ether and maleic anhydride, and copolymer of alkylvinyl ether and maleic anhydride In the first aspect of the present invention, there is disclosed a method for producing a copolymer of an alkyl vinyl ether and maleic anhydride which comprises removing an organic solvent used in a reaction under a temperature so that a slurry state can be maintain... | 10/05/2004 |
| 6774205 | Polyamides A process for the preparation of novel polyamides, the use of such polyamides for the production of fibers, sheets and moldings, and fibers, sheets and moldings obtainable from such polyamides, are provided. ... | 08/10/2004 |
| 6706818 | Curable resin composition This invention provides a curable resin composition for one-pack type water-based paint which is readily cured regardless of coating environment, said resin composition comprising copolymer (I) which is produced by the copolymerization of unsaturated group-containin... | 03/16/2004 |
| 6635708 | Aqueous plastic dispersions presenting increased stability The invention relates to aqueous plastic dispersions containing latex particles which present anionic groups and are characterized in that at least some of the anionic groups comprise aminated sugar alcohols in protonated form as counterions. The inventio... | 10/21/2003 |
| 6617480 | Molecular weight-enlarged ligands for asymmetric, homogeneously soluble hydrogenation catalysts, process for the production thereof and use The present invention relates to a molecular weight-enlarged, homogeneously soluble ligand, which includes: an average molecular weight of at least 1000 g/mol; a molecular weight-enlarging polymer; optionally, a linker; and at least one homochiral a... | 09/09/2003 |
| 6610753 | Process for preparing selective ion exchangers The present invention relates to a process for preparing selective ion exchangers based on crosslinked vinylaromatic polymers and containing iminoacetic acid units of the general formulas (I) and (II) ##STR1## wherein X represents hydrogen or an alkali me... | 08/26/2003 |
| 6599988 | Centipede polymers and preparation and application in rubber compositions The instant invention relates to poly(maleimide-co-alkenyl benzene) centipede polymer and a method for producing the polymer by reacting a poly(alkenyl benzene-co-maleic anhydride) in the presence of a primary amine in a substantially dry state. The inven... | 07/29/2003 |
