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 |
| 5180585 | Antimicrobial compositions, process for preparing the same and use An antimicrobial composition comprising an inorganic particle with a first coating providing antimicrobial properties and a second coating providing a protective function, method for preparing the same and uses; further processes for producing polymeric a... | 01/19/1993 |
| 5151122 | Process for producing an antibacterial ceramic material An antibacterial ceramic material wherein at least one ceramic selected from the group consisting of hydroxyapatite, calcium phosphate, calcium hydrogen phosphate, calcium carbonate, calcium silicate and zeolite is made to absorb and tightly retain at lea... | 09/29/1992 |
| 5147686 | Method of making titanium oxide powder having antimicrobial metal supported thereon Antimicrobial powders are obtained by suppporting at least one antimicrobial metal of copper, zinc and alloys thereof on the surface of hydrous titanium oxide or titanium oxide particles by electroless plating, vapor deposition, compression mixing, mixing... | 09/15/1992 |
| 5073298 | Antimicrobial antifoam compositions and methods A defoamer composition including a primary antifoam agent which includes a particulate-type material having a high surface area such as silica, a secondary antifoam agent for acting synergistically with the primary antifoam agent such as polydimethylsilox... | 12/17/1991 |
| 5049385 | Solid halogen-containing composition and method for producing same Described is particulate halogen-containing material, e.g., calcium hypochlorite, containing from about 0.1 to about 10 weight percent of colorant-treated particulate inorganic water soluble salt, e.g., sodium chloride. The colorant used with the sodium c... | 09/17/1991 |
| 5009898 | Antimicrobial hydroxyapatite powders and methods for preparing them Antimicrobial hydroxyapatite powders containing hydroxyapatite powder and metal ions selected from silver, copper and zinc ions or one or more antimicrobial agents selected from hinokitiol, tannin, lysozyme, protamine and sorbic acid.... | 04/23/1991 |
| 4995897 | Method of making inorganically crosslinked layered compounds The instant invention relates to a method for converting phosphorus containing polymers from a two dimensional, layered structure into a three dimensional structure by crosslinking such layers. The method and the resulting crosslinked polymers may be used... | 02/26/1991 |
| 4906466 | Silver compound antimicrobial compositions An antimicrobial composition for topical use or for incorporation into a coating or structural composition comprises an antimicrobial silver compound, preferably silver chloride, deposited on a physiologically inert oxidic synthetic particulate support ma... | 03/06/1990 |
| 4876091 | Gypsum-based insecticide pellets and method of manufacture A machine distributable gypsum-based pesticide pellet in which the gypsum is a solid formed by the bonding of plaster of paris and water which includes, prior to formation of the solid, by weight, no more than the minimum water required for substantial hy... | 10/24/1989 |
| 4775534 | Miticidal composition and method for controlling spider mite populations A miticidal composition for controlling spider mite populations is formed by impregnating a controlled release substrate with farnesol and nerolidol to form a flowable liquid concentrate or wettable powder. The flowable liquid concentrate or wettable powd... | 10/04/1988 |
| 4681738 | Method and apparatus for sterilizing objects A method and apparatus for sterilizing objects, particularly hands, is disclosed in which an object is immersed in an agitated bed of small, porous particles charged with a liquid disinfectant. The agitated particles strike the object and release a micros... | 07/21/1987 |
| 4621096 | Densified halogenated dimethylhydantoins Halogenated dimethylhydantoins are intimately mixed with calcium chloride and water and compressed to provide a densified particulate solid that is capable of withstanding the stresses of automatic packaging, conveying and handling.... | 11/04/1986 |
| 4608247 | Composition for bactericidal treatment of water A composition and method for the bactericidal treatment of water with oligodynamic metal ions. The composition comprises a particulate silver yielding material and a particulate filler material which is intermixed with the silver yielding material. The si... | 08/26/1986 |
| 4552752 | Microbiocidal article for aqueous systems An improved article of a membrane permeable to water and impermeable to microbiocidal compounds containing therein a solid particulate microbiocidal composition which is useful in aqueous systems, wherein the composition is produced from aqueous solutions... | 11/12/1985 |
| 4464317 | Method of encapsulating active agents with inorganic coatings A method for forming discrete capsules that contain an active agent, such as a pesticide, involves first forming a suspension of the active agent suspended in a solution of an alkali metal silicate such as sodium silicate or a suspension of the active age... | 08/07/1984 |
| 4399122 | Controlled release granules Controlled release granules of methyl 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-ethanimidothioate, oxamyl, are effective soil insecticides and nematicides, and are especially useful for the prolonged control of root knot nematodes.... | 08/16/1983 |
| 4376112 | Encapsulated efficacious zinc phosphide rodenticide A rodenticide composed of particulate zinc phosphide which has been encapsulated with a layer or coating of a thermoplastic polymer. This polymer coating will inhibit reaction, in the rodent's mouth so that the zinc phosphide will be consumed without the ... | 03/08/1983 |
| 4325966 | Fungicidal compounds, compositions and processes This invention relates to alkenyl and alkynyl acylanilide derivatives useful as pesticides, especially as fungicides, to a process for preparing them, to pesticidal compositions containing them, and to a method of combating pests using them.... | 04/20/1982 |
| 4201756 | Granular calcium hypochlorite coated with an inorganic salt A coated, rounded, solid calcium hypochlorite granule is described which is comprised of granular calcium hypochlorite encapsulated with a plurality of layers of an inorganic salt other than calcium hypochlorite. The inorganic salt is admixed with suffici... | 05/06/1980 |
| 4144050 | Micro granules for pesticides and process for their manufacture The invention is concerned with micro granules for pesticides and their manufacture by wet grinding a suspension of the active compound together with adjuvants in a ball mill to a particle size of at most 0.01 mm and subsequent spray-drying of the suspens... | 03/13/1979 |
| 4123518 | Insecticidal phosphate ester-based solid composition with depot gas action In a pesticidal preparation having a depot gas action, and comprising a phosphate ester in admixture with a solid carrier, the improvement wherein said phosphate ester comprises dimethyl-2,2-dichlorovinyl thiophosphate.... | 10/31/1978 |
| 4000316 | Insecticidal and acaricidal 1-phenyl-1-P-propargyloxyphenyl-2-nitroethanes 1-Phenyl-1-p-propargyloxyphenyl-2-nitro-ethane derivatives of the formula ##STR1## wherein Z represents the radical ##STR2## and of the symbols X and Y one represents hydrogen, fluorine, chlorine, bromine, C1 -C3 -alkyl, C.... | 12/28/1976 |
| 3992548 | Fungicidal composition A valuable fungicidal composition consisting essentially of (a) diisopropyl 3-nitroisophthalate, (b) a dithiocarbamate and/or (c) a compound selected from the group consisting of N-thiotrichloromethyl-phthalamide and N-thiotrichlormethyl-tetrahydrophthali... | 11/16/1976 |
| 3962444 | Use of 4-thiocyano-quinazolines as fungicides Thiocyano quinazolines of the formula ##SPC1## Where R is fluoro or difluoromethyl are useful for combatting plant harmful fungi infections.... | 06/08/1976 |
| 3962431 | Insecticidal use of O,O-dialkyl phosphorodithioate and phosphorothioate esters of oxazolidine-2,4-dione derivatives Disclosed is the use of compounds of the formula: ##EQU1## in which Y is O or S, R1 is CH3 or C2 H5, R2 and R3 are H or CH3. These compounds are particularly effective syste... | 06/08/1976 |
| 3939285 | Method of making agglomerates comprised of particles for carrying liquid A granular composition is comprised of primary carrier particles that are mixed with a liquid containing an active ingredient which saturates, by adsorption, the surface of each particle. A second carrier material is then mixed in so that secondary carrie... | 02/17/1976 |
