Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| RE42100 | Resorcinolic derivative for rubber compounds A vulcanizable rubber composition and method for making the same are disclosed. The rubber composition comprises a rubber component mixed with a methylene donor and methylene acceptor; the methylene acceptor is 3-hydroxydiphenylamine. ... | 02/01/2011 |
| 7705088 | Resorcinol-blocked isocyanate compositions and their applications Resorcinol-blocked isocyanate compositions are derived from the reaction between a resorcinol compound and at least two different isocyanate compounds. The resorcinol-blocked isocyanate compositions may have two or more unblocking temperatures and/or melting charact... | 04/27/2010 |
| 7700687 | Resorcinol resin-blocked isocyanates and their applications Resorcinol resin-blocked isocyanate compositions are derived from the reaction between a resorcinol resin and at least two different isocyanate compounds. The resorcinol resin-blocked isocyanate compositions may have two or more unblocking temperatures and/or meltin... | 04/20/2010 |
| 7439289 | Benzoylresorcinol-based phosphate ester compounds as flame retardants Benzoylresorcinol-based phosphate esters are obtained by reacting a benzoylresorcinol compound with a chlorophosphate. The benzoylresorcinol-based phosphate esters can function as flame retardants and/or UV stabilizers for polycarbonates (PC), poly(phenylene oxide) ... | 10/21/2008 |
| 7196156 | Flexibilized resorcinolic novolak resins and method of making same A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a mixture thereof. An aldehyde (different from the unsaturated aldehyde and... | 03/27/2007 |
| 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 |
| 6605670 | Resorcinolic derivatives and methods of making and using the same Methods of making low molecular weight methylene acceptors are provided. The methylene acceptors are prepared by reacting a polyhydric phenol with an aromatic olefinic compound in the presence of an acid catalyst, and then further reacting the products of... | 08/12/2003 |
| 6586607 | Process for making diglycidylether of alkoxylated resorcinol A process for the preparation of diglycidylether of alkoxylated resorcinol using novel catalysts is disclosed. In particular, it has been found that antimony, indium and tellurium halides are effective catalysts for preparation of the diglycidylether of a... | 07/01/2003 |
| 6541551 | Resorcinolic derivative for rubber compounds A vulcanizable rubber composition and method for making the same are disclosed. The rubber composition comprises a rubber component mixed with a methylene donor and methylene acceptor; the methylene acceptor is 3-hydroxydiphenylamine.... | 04/01/2003 |
| 6531637 | Resorcinol production from the hydrolysis of meta-phenylenediamine A process for the preparation of resorcinol using the meta-phenylenediamine hydrolysis reaction is provided. A reactor vessel made of a suitable material such as zirconium or a zirconium alloy is used, thus resisting corrosion and formation of resinous ma... | 03/11/2003 |
| 6472457 | Nonformaldehyde, nonfuming resorcinolic resins and methods of making and using the same Methods for preparing formaldehyde-free resorcinol resins are disclosed. The methods generally comprise reacting resorcinol first with dicyclopentadiene and then reacting that mixture with an olefinic compound. The resins produced by this method are also ... | 10/29/2002 |
| 6350921 | Process for the production of a dihydroxybenzene and dicarbinol from diisopropylbenzene Improved methods for the simultaneous production of dihydroxybenzene and dicarbinol from diisopropylbenzene are provided. These methods provide for continuous and simultaneous production of diisopropylbenzene dihydroperoxide (DHP) and diisopropylbenzene h... | 02/26/2002 |
| 6303732 | Diol blends and methods for making and using the same Novel diol blends are disclosed. The blends are comprised of an aromatic diol portion derived from dihydric phenol and an aliphatic diol portion in a ratio of aromatic to aliphatic of 5:95 to 95:5. The aromatic portion is the reaction product of a dihydri... | 10/16/2001 |
| 5945500 | Non-volatile resorcinolic resins and methods of making and using the same Methods for preparing low free resorcinol resins are disclosed. These methods generally comprise reacting a resin with an aromatic olefinic compound; suitable resins include one or more resins selected from the group consisting of a dihydric phenol, a pol... | 08/31/1999 |
| 5936056 | Non-volatile resorcinolic resins and methods of making and using the same Methods for preparing low free resorcinol resins are disclosed. These methods generally comprise reacting a resin with an aromatic olefinic compound; suitable resins include one or more resins selected from the group consisting of a dihydric phenol, a pol... | 08/10/1999 |
| 5300618 | Resorcinol-based epoxy resins A curable resorcinol-based epoxy resin is disclosed having the general structural formula (I) ##STR1## wherein at least one of R1, R2, or R3 is selected from the group consisting of (a) the general structural formula ... | 04/05/1994 |
| 5244725 | Hydroxyalkyl aryl ethers of di- and polyhydric phenols A vulcanizable rubber composition is disclosed that includes (a) a rubber component selected from natural rubber, synthetic rubber or combinations thereof; (b) a methylene donor; and (c) a methylene acceptor which is the addition product of (1) at least o... | 09/14/1993 |
| 5130489 | Process for the preparation of M-aminophenols from resorcinol An improved process is provided for producing m-aminophenols comprising reacting resorcinol and an amino compound in an inert organic solvent and in the presence of an aluminosilicate catalyst.... | 07/14/1992 |
| 5075413 | Resorcinol-modified phenolic resin binder for reinforced plastics A fire resistant resin for use as a binder in reinforced plastics and a resultant reinforced plastic includes the reaction product of (a) at least one resorcinol component selected from the group consisting of resorcinol and resorcinol formaldehyde novola... | 12/24/1991 |
| 5075414 | Resorcinol-modified phenolic resin binder for reinforced plastics A fire resistant resin for use as a binder in reinforced plastics and a resultant reinforced plastic includes the reaction product of (a) at least one resorcinol component selected from the group consisting of resorcinol and resorcinol formaldehyde novola... | 12/24/1991 |
| 5059723 | Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts This invention relates to the use of triorganophosphine compounds as catalyst for the reaction of phenols or thiophenols with cyclic organic carbonates.... | 10/22/1991 |
| 5049641 | Rubber compounding resin A rubber compounding resin which is low fuming, nonhygroscopic and low in free resorcinol. It is made by first reacting resorcinol or other phenolic compound and styrene or other vinyl compound in a molar ratio of 1.0 mole of resorcinol to 0.25 to 1.0 mol... | 09/17/1991 |
| 5030692 | Rubber compounding resorcinolic resins and process for making the same Low fuming and less hygroscopic rubber compounding cashew nut shell liquid, allylphenol and alkylphenol modified resorcinolic novolak resins are made by condensing (A) a resol prepared by first reacting at least one monovalent phenol having the general fo... | 07/09/1991 |
| 5021522 | Rubber compounding resin An improved vulcanizable rubber composition of the type comprising (I) a rubber component selected from natural rubber, synthetic rubber or combinations thereof, and (II) a methylene donor compound which generates formaldehyde upon heating, and (III) a ph... | 06/04/1991 |
| 4945169 | Novel bis-maleimide compounds containing sulfonate linkages Novel homo bis-maleimide compounds containing sulfonate linkages are made by reacting an aromatic disulfonyl halide with m- or p-hydroxy phenyl maleimide and have the following formula: ##STR1## Similarly, co-bis-maleimides are made by reaching an ar... | 07/31/1990 |
| 4935551 | Hydroperoxidation of diisopropylbenzene m-Diisopropylbenzene dihydroperoxide is produced in good yield in a continuous process by the oxidation of diisopropylbenzene, comprised of major amounts of the m-isomer and less than 6% of the o-isomer, under anhydrous, non-alkaline conditions with oxyge... | 06/19/1990 |
| 4892908 | Rubber composition and method for making the same A vulcanizable rubber composition and method for making the same in which the rubber component is mixed with a methylene donor and acceptor and the methylene acceptor is a compound of the general structural formula ##STR1## wherein R may be the same ... | 01/09/1990 |
| 4889891 | Novel rubber compounding resorcinolic resins Rubber compounding novalak type resins are prepared by reacting (A) an alkyl substituted resorcinol or phenol prepared by reacting at least one of the compound of the formula ##STR1## wherein R1 and R2 may be the same or differe... | 12/26/1989 |
| 4849549 | Process for preparation of resorcinol A process for the preparation of resorcinol from diisopropylbenzene includes the steps of oxidizing m-diisopropylbenzene under anhydrous, non-alkaline conditions with oxygen, extracting m-diisopropylbenzene dihydroperoxide and m-diisopropylbenzene hydroxy... | 07/18/1989 |
| 4847437 | Oxidation and subsequent decomposition of dihydroperoxide An improvement in a process for the preparation of resorcinol which includes the steps of treating an extract of selected oxidation products of diisopropylbenzene with hydrogen peroxide to convert m-HHP to m-DHP, drying the treated extract and thereafter,... | 07/11/1989 |
| 4847436 | Decomposition of dihydroperoxide to resorcinol An improvement in the preparation of resorcinol includes the decomposition of m-diisopropylbenzene dihydroperoxide (m-DHP) to resorcinol and acetone in the presence of an effective amount of a catalyst selected from the group consisting of boron trifluori... | 07/11/1989 |