Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7834124 | Ketone-modified resorcinol-formalin resin It is an object of the invention to provide a ketone-modified resorcinol-formalin resin, which has a moderate flowability when transformed into an aqueous solution and has both a reduced content of resorcinol monomer and a reduced content of resorcinol-formalin resi... | 11/16/2010 |
| 7425602 | Novolak resins and rubber compositions comprising the same The present invention relates to novolak resins prepared with, inter alia, one or more alkylphenols. The invention further relates to compositions comprising the novolak resins, such as vulcanizable rubber compositions, and to products obtained therewith. ... | 09/16/2008 |
| 7265173 | Tire fabric compositions and methods of production thereof A polymer-based reinforced rubber composition may be produced that comprises a) a plurality of polymer-based fibers, wherein at least some of the plurality of polymer-based fibers comprises at least one surface modification agent; and b) a rubber compound, wherein t... | 09/04/2007 |
| 7259221 | Silane-modified phenolic resins and applications thereof A silane-modified phenolic resin is prepared by reacting a phenolic compound (e.g., resorcinol) with an aldehyde to produce a phenolic novolak resin. The phenolic novolak resin is further reacted with at least one silane compound to produce the silane-modified pheno... | 08/21/2007 |
| 7241833 | Phenolic novolaks and process for production thereof A process for production of phenolic novolak which comprises the step of conducting heterogeneous reaction of a phenol with 0.40 to 0.93 mol of an aldehyde per mol of the phenol in the presence of at least 25 parts by mass of a phosphoric acid per 100 parts by mass ... | 07/10/2007 |
| 7150961 | Additive for photoresist composition for resist flow process The present invention provides an additive for a photoresist composition for a resist flow process. A compound of following Formula 1 having low glass transition temperature is added to a photoresist composition containing a polymer which is not suitable for the res... | 12/19/2006 |
| 7074861 | Modified resorcinol resins and applications thereof A modified resorcinol resin is prepared by reacting a phenolic compound (e.g., resorcinol) with an olefinically unsaturated compound (e.g., styrene) and two types of aldehyde: a formaldehyde and an alkyl aldehyde (e.g., butyraldehyde). The reaction is typically carr... | 07/11/2006 |
| 7053135 | Two-component dental molding composition having at least one anti-acid acting compound Two-component preparation on the basis of silane functionalized polyether derivatives, which cures into an elastomer product after the mixing of a base component containing silane functionalized polyether derivate with a catalyst component containing organic or inor... | 05/30/2006 |
| 6939926 | Phenol novolak resin, production process thereof, and positive photoresist composition using the same A phenol novolak resin has a peak intensity ratio of ortho-ortho bond (o-o)/ortho-para bond (o-p)/para-para bond (p-p) in a resin structure not substantially varying in each molecular weight fraction and has a weight average molecular weight (Mw) of 3000 to 20000 in... | 09/06/2005 |
| 6875807 | Silane-modified phenolic resins and applications thereof A silane-modified phenolic resin is prepared by reacting a phenolic compound (e.g., resorcinol) with an aldehyde to produce a phenolic novolak resin. The phenolic novolak resin is further reacted with at least one silane compound to produce the silane-modified pheno... | 04/05/2005 |
| 6734275 | Method of gluing wood based materials The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a urea based amino resin and a hardener composition, wherein the hardener composition... | 05/11/2004 |
| 6716729 | Stable bisphenolic compositions There is provided a stable single-phase composition of bisphenolic stillbottoms and methods for making such compositions. There is also provided a resole and a novolac composition that includes in the manufacture of the resins the use of a stable solution of bisphen... | 04/06/2004 |
| 6657016 | Polyester resin composition A polyester resin composition comprising 50 equivalents/ton or more of an aromatic ring in the resin and at least one thermosetting resin selected from the group consisting of melamine resin, urea resin, benzoguanamine resin and phenol resin. The aromatic... | 12/02/2003 |
| 6579963 | Bonding resins Phenol/aldehyde resins particularly phenol/formaldehyde resins are manufactured by replacing a proportion of the phenol content by a mixture of at least two different natural materials having a phenolic content. The resulting resins which can be used in b... | 06/17/2003 |
| 6469109 | Aryl ester compound, its production process, epoxy resin composition using said compound, and copper-clad laminate using the epoxy resin composition An epoxy resin composition is disclosed as containing, as essential components, an epoxy resin, an aryl ester compound obtained from a polyhydric phenol representedd by a formula (4) with a carbonyl compound represented by a general formula (2) and a cure... | 10/22/2002 |
| 6465599 | Curing composition for phenolic resins A curing or bridging composition is useful for effecting the crosslinking of phenolic resoles and the formation of novolaks. The composition comprises from 1% to 99% by weight of partially or totally sulfonated calixarenes and from 99% to 1% of partially ... | 10/15/2002 |
| 6417317 | Novolak resin precursor, novolak resin and positive photoresist composition containing the novolak resin A novolak resin precursor is composed of bonded phenolic moieties, one of the hydrogen atoms in the o- or p-positions relative to the hydroxy group of each phenolic moiety is substituted with an alkyl or alkenyl group having 1 to 3 carbon atoms, and the o... | 07/09/2002 |
| 6291600 | Method of preventing scale adhesion to the surfaces of a polymerization tank In a novel method of homo- or copolymerization of vinyl chloride, a specified coating agent is applied on the surfaces of the portions which will become into contact with the vinyl chloride monomer during the polymerization process. The coating agent is i... | 09/18/2001 |
| 6270899 | Ester compound and thermosetting resin composition using the same An ester compound prepared by esterifying at least one OH group of a polyhydric phenol as a condensation product of a non-substituted or substituted resorcinol and a carbonyl compound with an organic carboxylic acid having 1 to 20 carbon atoms or a deriva... | 08/07/2001 |
| 6207789 | Phenolic resin, resin composition, molding material for encapsulation, and electronic component device The present invention provides a resin containing in the backbone chain a structural unit represented by the following Formula (I) or (II), as a novel phenolic resin having a high Tg, a low moisture absorption, a low molding shrinkage, high adhesive prope... | 03/27/2001 |
| 6207788 | Novolak resin precursor, novolak resin and positive photoresist composition containing the novolak resin A novolak resin precursor is composed of bonded phenolic moieties, one of the hydrogen atoms in the o- or p-positions relative to the hydroxy group of each phenolic moiety is substituted with an alkyl or alkenyl group having 1 to 3 carbon atoms, and the o... | 03/27/2001 |
| 6165675 | Isolation of novolak resin by low temperature sub surface forced steam distillation A water insoluble, aqueous alkali soluble novolak resin, process for producing such a novolak resin, a photoresist containing such a novolak resin, and a method for producing a semiconductor device, wherein the resin is isolated by sub surface forced stea... | 12/26/2000 |
| 6159405 | Phenolic resin system for pultrusion composites A fire resistant phenolic resole-resorcinol novolac system for a pultrusion process, having a much improved pot life of the two part mixture, lower emissions during processing and a much better surface finish of the pultruded composite when compared to a ... | 12/12/2000 |
| 6132549 | Wood-product laminated composites Discloses compositions of urea dissolved in aqueous, polymerizable phenolic resole resins, wood-product laminated composite products produced with such resins, with or without the urea, and methods for the production of wood-product laminated composites w... | 10/17/2000 |
| 6045966 | Fractionated novolak resin and photoresist composition therefrom The present invention provides a method for producing a film forming, fractionated novolak resin having consistent molecular weight and superior performance in photoresist composition, by isolating such a novolak resin fraction. A method is also provided ... | 04/04/2000 |
| 5986035 | High-molecular weight high-ortho novolak type phenolic resin Provided is a high-molecular weight high-ortho novolak type phenolic resin excellent in handleability, heat resistance characteristics, curability and electric characteristics suitable for various uses and superior in balance of properties. This high-mole... | 11/16/1999 |
| 5985507 | Selected high thermal novolaks and positive-working radiation-sensitive compositions A high thermal alkali-soluble novolak binder resin, comprising the addition-condensation reaction product of a phenolic mixture with at least one aldehyde source, the feedstock of the phenolic mixture for the reaction comprising: (1) about 25 to about 40 ... | 11/16/1999 |
| 5976761 | Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom A process for producing a water insoluble, aqueous alkali soluble, film forming novolak resin having low metal ions, made by the fractionation of a phenol formaldehyde condensation product, a process for producing a resin a photoresist composition of supe... | 11/02/1999 |
| 5919873 | Crosslinked phenolic polyesters Disclosed are novel crosslinked polymers derived from methylol phenols and maleic acid species, and methods of synthesizing these macromolecules. Polyesters and chromandicarboxylic groups are the dominant linkages in the structure of general formula: ... | 07/06/1999 |
| 5916933 | Bisphenol-containing resin coating articles and methods of using same Proppants comprising a particle coated with a composition comprising bisphenol-aldehyde novolak resin, a bisphenol homopolymer or mixtures including such polymers are disclosed. Foundry sands comprising a particle coated with a composition comprising bisp... | 06/29/1999 |
| 5859153 | Novolak compounds useful as adhesion promoters for epoxy resins A composition useful as a powder coating comprises an epoxy resin and a novolak compound or resin having a structure obtained from the reaction of a substituted phenol such as cresol and an aldehyde to form a substituted bis(hydroxymethyl) phenol intermed... | 01/12/1999 |
| 5847058 | Alkylresorcinol modified phenol-aldehyde resol resin and binder system, and method of making same A process for the production of a storage-stable, modified phenol-aldehyde resol resin includes the use of an alkylresorcinol modifier and preferably a readily-available mixture of alkylresorcinols. A binder system includes the modified phenol-aldehyde re... | 12/08/1998 |
| 5763558 | Process and composition for the use of substituted melamines as hardeners of novolac resins A process for hardening a composition and a hardenable composition, in wh there are used: at least one novolac resin; at least one hardener of the resin, selected from the group consisting of substituted melamines; at least one compound comprising at least on... | 06/09/1998 |
| 5756599 | Binder resin, binder system, cellulosic composite articles, and method of making the same A process for producing a phenol-aldehyde (e.g., cresol-aldehyde) resin that is modified with a dihydroxybenzene compound. The resin may form a binder system when combined with a curing agent which includes an additional source of an aldehyde. The resin a... | 05/26/1998 |
| 5726257 | Esterified resorcinol-carbonyl compound condensates and epoxy resins therewith An aryl ester compound composed of a polyhydric phenol in which at least one OH group has been esterified with an organic acid or its derivatives having 1 to 20 carbon atoms, said polyhydric phenol being the condensation product of a phenolic compound rep... | 03/10/1998 |
| 5691442 | Transparent poly(arylene ether) compositions The transparency of poly(arylene ether) homopolymers and copolymers is improved by endcapping the polymer chain with an unsubstituted phenolic-based endcapping agent.... | 11/25/1997 |
| 5688893 | Method of using a Lewis base to control molecular weight of novolak resins The present invention provides methods for producing water insoluble, aqueous alkali soluble novolak resins having a precise and consistent molecular weight, by adjusting the concentration of Lewis base. A method is also provided for producing photoresist... | 11/18/1997 |
| 5684114 | Cross-catalyzed phenol-resorcinol adhesive A two-part adhesive is provided wherein the first part comprises a stable aqueous alkaline monohydroxylic phenolic resole resin solution containing a methylene donor such as oxazolidine or a methylolurea and the second part comprises a stable resorcinolic... | 11/04/1997 |
| 5677414 | Acetal derivatives of resole compounds Cyclic acetal derivative of a resole includes the reaction product of an ortho resole compound with a carbonyl compound or a carbonyl compound derivative. The cyclic acetal derivatives of phenolic resole compounds exhibit enhanced storage stability and ca... | 10/14/1997 |
| 5674657 | Positive-working photoresist compositions comprising an alkali-soluble novolak resin made with four phenolic monomers The invention is directed to an alkali-soluble novolak binder resin composition made by addition condensation reaction of a phenolic mixture with at least one aldehyde source, the feedstock of said phenolic mixture for the reaction comprising about 33 to ... | 10/07/1997 |
