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 |
| 4921526 | Substituted bicycloakly-1,3-diones Substituted benzoyl-bicycloalkyl-1,1,3-diones and related compounds, intermediates therefor, synthesis thereof, and the use of said diones for the control of weeds.... | 05/01/1990 |
| 4920169 | Oxalic acid di(phenylamides) and use thereof as UV absorbers A compound of formula I ##STR1## in which each R1, independently is selected from hydrogen, C1-12 alkyl, C1-12 alkoxy and halogen; R2 has a significance of R1, independently of R1, or is ... | 04/24/1990 |
| 4917706 | Liquid compositions of prereduced sulfur dyes and production thereof Liquid compositions of sulfur dyes in reduced form are obtained by reducing a sulfur dye in an alkaline medium to which no sulfide reducing agent has been added, preferably employing a reducing sugar as reducing agent and a sulfur dye which has been washe... | 04/17/1990 |
| 4916175 | N-(2,2,6,6,-tetraalkylpiperidinyl-4)-N'-phenyl oxalic acid diamides Compounds are provided which are useful as light stabilizers for polymeric materials and which have the formula ##STR1## wherein R1, R2 and R4 are organic radicals, R3 and R15 are hydrogen or org... | 04/10/1990 |
| 4916125 | Method of treating migraine A method of treating migraine in a subject in need of such treatment comprising administering to said subject a therapeutically effective amount of a phosphonic acid.... | 04/10/1990 |
| 4915741 | Cementitious mixes The fluidizing or water-retention effect of plasticizers and superplasticizers in cement is increased when the cement has been treated with water before the mixing step, so that it retains from 0.1 to 10% by weight of water.... | 04/10/1990 |
| 4916178 | Stable solutions of poly--hydroxyacrylic acid salts The invention relates to the stabilization of alkaline solutions of peroxide bleaching compounds using, as stabilizing agent, a water-soluble poly--hydroxyacrylic acid salt which in the sodium salt form has an average molecular weight Mw from 2000 ... | 04/10/1990 |
| 4913705 | Dyeing a mixed fibre fabric of cellulose/polyacrylonitrile of cellulose/acid-modified polyester with a reactive dye and a basic dye A mixed fabric of hydroxy group-containing fibers and cyano and/or carboxy group-containing fibers, the hydroxy group-containing fibers having been dyed with a reactive dye, is aftertreated with a product of reacting a mono- or polyfunctional amine having... | 04/03/1990 |
| 4912114 | Morphinan derivatives Compounds of formula I ##STR1## wherein X and Y each denotes hydrogen or together denote -0-, R1 denotes allyl optionally substituted by 1 to 3 alkyl groups, the substituent or substituents having in total a maximum of 3 carbon atoms, cycl... | 03/27/1990 |
| 4910193 | Treatment of gastrointestinal disorders Use of a mono or dicyclic carboxylic or heterocyclic carboxylic acid ester or amide of an alcohol or amine nitrogen as a ring atom in free base form or in acid addition or quaternary ammonium salt form as a 5-HT3 antagonist in the manufacture o... | 03/20/1990 |
| 4900812 | Sulfo group-containing metal phlhalocyanine azo compound having a 6-hydroxypyrid-2-one coupling component radicals having a fiber-reactive group Compounds of the formula ##STR1## and water-soluble salts thereof each cation of which is independently a non-chromophoric cation, wherein Me is cobalt, copper or nickel, Pc is the phthalocyanine radical, each R1 and R2 is independen... | 02/13/1990 |
| 4897427 | Method of combatting pruning wound diseases The invention relates to a method of combatting pruning wound diseases in plants employing a compound of the formula ##STR1## wherein X is H or Cl and R is butyl, 1-cyclopropyl-ethyl or 1-cyclopropyl-1-methylethyl, or associations of a compound of th... | 01/30/1990 |
| 4894065 | Method for producing wool dyeings of improved levelness and dye mixtures useful therefor: parameters for combination capacity and compensation of variable affinity for wool from root to tip of fiber The invention refers to a mixture of anionic dyestuffs having a skitteriness value at pH5 of 3-4 and a combinability value at pH5 of 4-5 and to a process for dyeing a fibre material comprising wool with such a mixture of dyestuffs. These mixtures of anion... | 01/16/1990 |
| 4892410 | Method and apparatus for protective encapsulation of structural members The method and apparatus for forming an encapsulation or encasement about a structural member that is particularly well suited for use in a marine environment is disclosed. A two component polymer system for protective and repair encapsulation is pumpable... | 01/09/1990 |
| 4891396 | New benztriazolyl compounds A compound of formula I ##STR1## in which R1 is selected from C9-32 alkyl, C9-32 alkenyl, C9-32 alkoxy, --CO--R4 and --(CH2)1-6 --COOC6-18 alkyl, where R4 | 01/02/1990 |
| 4889945 | Organic compounds The invention relates to phosphoric acid partial esters derived from a block ethoxylated and propoxylated C9-16 aliphatic alcohol. These phosphoric acid partial esters are useful as wetting agents, especially in the pre-treatment of cellulosic ... | 12/26/1989 |
| 4889535 | 4-Substituted benzothiazol-2-ylazo-N-c8-14-alkykl-N-(2'-cyanoethyl)anilines optionally having a 3-C1-4-alkyl group Compounds of the formula ##STR1## and mixtures thereof, wherien p1 R1 is hydrogen, chloro or bromo, p1 R2 is hydrogen, chloro, bromo or nitro, p1 R3 is hydrogen, chloro, bromo, nitro or --SCN, p1 R4 is hydr... | 12/26/1989 |
| 4884693 | Package A blister packaging card which contains a closure means for at least one blister which is integral with the card. The card can be prepared from a single sheet (1) comprising a series of blisters (2) at least one pair of which (3, 4) is adapted to mutually... | 12/05/1989 |
| 4885325 | Water dispersible quaternized aminoamide-modified waxes useful as textile finishing agents A quaternized aminoamide-modified wax obtainable by amidating, with a polyamine containing a single primary amino group, a carboxy group-containing, oxidized hydrocarbon wax which may be partially saponified, and quaternizing at least one amino group of t... | 12/05/1989 |
| 4883615 | Flameproofing compounds A process for flameproofing a substrate comprising applying to the substrate a compound of formula I ##STR1## in which R1.sym. is a N.sym. cation defined in the Specification and R2 and R3 are o... | 11/28/1989 |
| 4881941 | Suppress dyeing method A textile substrate is dyed by immersing it in a gathered configuration into an oil medium containing a dissolved or dispersed dye for a sufficient time to allow the oil medium to come into contact with part but not all of the surface of the substrate and... | 11/21/1989 |
| 4880430 | Mixtures of an acylated polyamine and an alcohol-ether useful for textile finishing Water-dilutable compositions consisting essentially of (a) an acylated polyamine derivative selected from the group consisting of: 1. a polyamine acylated by introduction of at least one radical of a C12-24 -fatty acid and oxyalkylated, 2. an alkylated d... | 11/14/1989 |
| 4879399 | Ether sulfates of a mixture of branched 1-decanols The invention relates to novel ether sulfates based on a mixture of branched 1-decanols and to their use as surface active agents. The novel ether sulfates are especially useful as the essential surfactant component in shampoo compositions, which composit... | 11/07/1989 |
| 4879373 | 1-(dichloro-4'-sulfamoyl or substituted sulfamoyl-phenyazo)-2-hydroxy-3-phenylcarbamoyl or substituted phenylcarbamoyl-naphthalenes each of R2 and R3 is independently hydrogen, chloro, bromo, methyl, methoxy or ethoxy, useful as pigments for, for example, the mass pigmenting of viscose and surface coatings such as oil and water base paints, lacquers and inks, pig... | 11/07/1989 |
| 4877412 | Sulfo group-containing monoazo compounds having an unsubstituted or substituted 4-(benzothiazol-2'-yl)phenyl or 4-(6'-benzothiazol-2"yl)-benzothiazol-2'-yl)phenyldiazo component radical and a 6-hydroxypyrid-2-one coupling component radical Compounds of the formula ##STR1## in free acid or salt form and internal, external and acid addition salts thereof, wherein K is ##STR2## wherein R3 -R5, R20, R21 and X-Z are as defined in the sp... | 10/31/1989 |
| 4877899 | Novel compositions Sulfur-substituted alkenyl compounds, synthesis thereof, intermediates therefor, and the use of the compounds to control pests.... | 10/31/1989 |
| 4876342 | Oxazine compounds substituted by one or more basic groups and preparation thereof Oxazine compounds containing basic groups correspond to the formula ##STR1## wherein the symbols are as defined in the Specification. These compounds are suitable for dyeing or printing organic substrates containing hydroxy groups or nitrogen in acco... | 10/24/1989 |
| 4875903 | Monoazo compounds containing a 2-sulfophenyl diazo component radical and a 1-hydroxy-naphthalene-sulfonic or disulfonic acid coupling component radical and two substituted 1,3,5-triazine rings Compounds of the formula ##STR1## wherein each R1 is independently hydrogen, C1-4 alkyl or C1-4 alkyl monosubstituted by hydroxy, halo, cyano or C1-4 alkoxy, each of X1 and X3 is indep... | 10/24/1989 |
| 4876299 | Oxalanilides useful as U.V. absorbers A compound of formula I ##STR1## in which R, R1, R10 and R11 are organic radicals. These compounds are suitable as U.V. absorbers.... | 10/24/1989 |
| 4874392 | Monoazo dyes having a substituted 1,4-phenylene coupling component radical having one C8-14 alkyl group or moiety A Monoazo compounds of the formula ##STR1## wherein D is a diazo component radical of the 4-nitrophenyl series, thienyl-2 series, thiazolyl-2 series or 5-nitrobenzoisothiazolyl-3 series, R1 is hydrogen; C1-2 alkyl; C1-2 al... | 10/17/1989 |
| 4870119 | Water-soluble polyamides containing aromatic groups Water-soluble cross-linked polyamides are produced by reacting (B) a cross-linking agent with (A) the product of reacting (A1) a dicarboxylic acid and (A2) a polyamine, provided that at least one of (A1) (A2) an... | 09/26/1989 |
| 4866113 | Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups A pigment, which retains a crystal or particulate structure throughout a process of coloration of a substrate, containing one or more 2,2,6,6-tetraalkylpiperidine groups.... | 09/12/1989 |
| 4864007 | High molecular weight linear polymers of diallylamines and process for making same Diallylamine compounds may be polymerized to water-soluble, linear, high-molecular weight polymers having low residual monomer content by the use of cationic azo initiators and phosphorous acid or a derivative thereof as regulator. The polymers are useful... | 09/05/1989 |
| 4863740 | Interleukin therapy Interleukin-2 liposomes are advantageous sustained release formulations.... | 09/05/1989 |
| 4859699 | Substituted N-benzoyl-N'-thienylureas Substituted N-benzoyl-N'-thienylureas, processes for making these compounds, intermediates therefor and the use of the compounds for the control of pests, and in particular for the control of insects and acarids.... | 08/22/1989 |
| 4859233 | 2,3,6-trichlorobenzohydroxamic acid derivatives Disclosed are herbicidal compounds of the general formula I; ##STR1## wherein A is O-alkylene of 1 to 5 carbon atoms, O-alkenylene of 3 to 6 carbon atoms in which the unsaturation is non-adjacent the oxygen atom thereof or NH-alkylene in which the al... | 08/22/1989 |
| 4859725 | Oxalamide compounds useful as UV absorbers A compound of formula I ##STR1## in which R to R5 are organic radicals, for use as a light stabilizer in polymeric systems.... | 08/22/1989 |
| 4855306 | Uses of dopamine receptor agonists Selective dopamine D1 receptor agonists for use in the treatment of primary degenerative dementia, depression, anxiety, obesity or schizophrenia.... | 08/08/1989 |
| 4855288 | Furanuronic acid derivatives, process for their production and their use 1'-desoxy-1'-(6-amino-9-purinyl)-ଲ-D-ribofuranuronic acid thioamides of formula ##STR1## wherein R1, R2 and R3 possess various definitions given in claim 2, are effective against raised blood pressure.... | 08/08/1989 |
| 4855075 | Ethoxylates of alkyl and alkenyl catechols The invention relates to novel ethoxylates of alkyl and alkenyl catechols and to their use as surface active agents. The novel ethoxylates of alkyl and alkenyl catechols are especially useful as self-sequestering surfactants in detergent compositions.... | 08/08/1989 |