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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Assignee: Tokuyama Corporation


Location: Tokuyama, JP
No. of patents: 40

NumberTitleIssue Date
7157609Process for producing propylene chlorohydrin
A process of producing propylene chlorohydrin using a reactor having a one-way flow reaction area and a circulating flow reaction area which are connected in series. In this process, a propylene-containing gas is supplied to an aqueous solution of chlorine in the on...
01/02/2007
7071352Processes for preparation of 2-alkyl-2-adamantyl esters
A magnesium halide salt of a 2-alkyl-2-adamantanol is reacted with a carboxylic acid halide such as acrylic chloride or the like in the presence of a tertiary amine to produce a 2-alkyl-2-adamantyl ester (the first invention). A 2-alkyl-2-adamantanol is react...
07/04/2006
6932954Method for producing silicon
A silicon production process which improves the production efficiency of trichlorosilane while an industrially advantageous output is ensured and the amount of the by-produced tetrachlorosilane is suppressed. This process does not require a bulky reduction apparatus...
08/23/2005
6894125Scale deposit inhibitor, process for its production, polymerizer whose inside wall is covered with the inhibitor, and process for production of vinylic polymers by the use of the polymerizer
A scale adhesion preventing agent for use in a polymerization reactor, consisting essentially of a condensate of a phenol represented by the following formula (1), a 1-naphthol and an aldehyde, which is soluble in an alkaline aqueous solution:
05/17/2005
6878672Herbicidal emulsion compositions
A herbicidal emulsion composition comprising an ethenylamide compound as a herbicidally active component and a dichloroacetamide compound as a phytotoxicity reducing agent. This composition has excellent keeping stability because the phytotoxicity reducing agent of ...
04/12/2005
6864299Process for producing cured photochromic
The present invention is aimed to produce a cured product having excellent photochromism which can be easily polymerized in a short period of time. The cured product is obtained by photopolymerizing a polymerizable composition comprising (A) a radical polymerizable ...
03/08/2005
6861552Adamantyl ester monomer composition
The present invention discloses an adamantyl ester monomer composition characterized by containing at least an adamantyl ester monomer having at least one polymerizable unsaturated bond in the molecule, and a compound represented by the following general formula (1)...
03/01/2005
6852885Production method of high purity organic compound
There is provided a method for obtaining a target organic compound such as an alkyladamantyl ester efficiently by purifying a crude organic compound which contains, as impurities, sublimable materials which start to sublime at temperatures lower than a boiling point...
02/08/2005
6770777Process for producing 2-alkyl-2-adamantyl ester
This invention discloses a process for preparing an 2-alkyl-2-adamantyl ester comprising the steps of combining a solution or suspension of 2-adamantanone and an alkyl halide with lithium metal for reacting them to generate an lithium 2-alkyl-2-adamantyl alcoholate,...
08/03/2004
6767622Porous polyolefin film, process for producing same, and use thereof
The present invention provides a porous polyolefin film abounding in air permeability and moisture permeability and having extremely high degree of light transmission and tear strength, a process for producing same and intended use thereof. This porous polyolefin fi...
07/27/2004
6759449Dental adhesive composition
This invention discloses a dental adhesive composition comprising (A) a polymerizable monomer comprising an acidic-group containing polymerizable monomer such as 11-methacryloyloxy-1,1-undecane dicarboxylic acid, (B) a mixed filler of a spherical filler substantiall...
07/06/2004
6354913Abrasive and method for polishing semiconductor substrate
A semiconductor wafer or a film formed thereon is polished by using a polishing agent comprising abrasive containing silica particles as the main component, water as a solvent, and a water-soluble cellulose, an alkali metal impurity content of the polishi...
03/12/2002
6245270Process for the production of porous polyolefin
A polyolefin porous material is produced by synthesizing silica particles, polysiloxane particles or crosslinked vinyl polymer particles having an average particle diameter of 0.01 to 0.1 μm in a molten polyolefin to obtain a polyolefin composition. The ...
06/12/2001
6045605Abrasive material for polishing a semiconductor wafer, and methods for manufacturing and using the abrasive material
An abrasive material is prepared by dispersing silicon nitride particles acting as abrasive particles in a solvent such as a pure water or an ultra pure water, followed by adding an adsorptive stickable to the abrasive particles to the dispersion. The res...
04/04/2000
5968977Ketonitrile derivatives and antibacterial agent and drugs containing the same
The present invention is directed to a ketonitrile derivative represented by the following formula (1): ##STR1## (wherein R1 is a hydrogen atom or a lower alkyl group; each of R2, R3, R4, and R5,...
10/19/1999
5932725Chromene compound
The present invention relates to a novel chromene compound having favorable photochromic properties, developing a color of a high density, exhibiting a small degree of initial color and permitting the color to quickly fade. The novel chromene compound has...
08/03/1999
5904159Polishing slurries and a process for the production thereof
A polishing slurry is formed of a silica-dispersed solution obtained by dispersing, in an aqueous solvent, a fumed silica having an average primary particle size of from 5 to 30 nm, the silica-dispersed solution exhibiting a light scattering index (n) of ...
05/18/1999
5880170Photopolymerizable composition and transparent cured product thereof
A photopolymerizable composition comprising: (I) a photopolymerizable oligomer represented by the following formula (1), ##STR1## and/or by the following formula (2), ##STR2## wherein R1 is a hydrogen atom or a methyl group, R2 ...
03/09/1999
5856374Curable composition
A curable composition comprising (i) a polymerizable monomer, (ii) irregular-shaped inorganic particles (A) having an average particle diameter of from 1 to 9 μm, and containing particles having particle diameters of not smaller than 10 μm in an amount ...
01/05/1999
5808100Chromene compounds and photochromic materials
A photochromic compound which is initially colored less, exhibits excellent durability and features high color density and high color fading rate, and a photochromic material thereof. The photochromic compound basically has two aromatic heterocyclic group...
09/15/1998
5804289Aluminum nitride junction structure
The present invention relates to a novel aluminum nitride junction structure, which is a aluminum nitride junction structure in which the junction portion between the base materials of a sintered product of aluminum nitride comprises the sintered product ...
09/08/1998
5783271Biodegradable alipathic polyster, melt-extrusion film thereof, and process for the production thereof
A process for the production of biodegradable aliphatic polyester particles by (co)polymerizing 2-oxetanone or a mixture containing at least 80% by weight of 2-oxetanone and up to 20% by weight of a cyclic ester or cyclic ether other than 2-oxetanone in t...
07/21/1998
5750218Biodegradable aliphatic polyester, melt-extrusion film thereof, and process for the production thereof
A process for the production of biodegradable aliphatic polyester particles by (co)polymerizing 2-oxetanone or a mixture containing at least 80% by weight of 2-oxetanone and up to 20% by weight of a cyclic ester or cyclic ether other than 2-oxetanone in t...
05/12/1998
5739177Dental composition
A dental composition containing an acid such as maleic acid, phosphoric acid or citric acid; an organosulfonate and/or an organosulfinate such as an acid group-containing (meth)acrylate monomer having in the molecules thereof a carboxyl group or a phospho...
04/14/1998
5731402Biodegradable aliphatic polyester, melt-extrusion film thereof, and process for the production thereof
A process for the production of biodegradable aliphatic polyester particles by (co)polymerizing 2-oxetanone or a mixture containing at least 80% by weight of 2-oxetanone and up to 20% by weight of a cyclic ester or cyclic ether other than 2-oxetanone in t...
03/24/1998
5712040Fluorine-containing resin molded articles
The present invention relates to novel fluorine-contained resin molded articles having antistatic property, and specifically, the invention relates to fluorine-contained resin molded articles which exhibit good antistatic effect while maintaining properti...
01/27/1998
5683627Curable electroconductive composition
A curable electroconductive composition which comprises (1)(a) a monoglycidyl compound such as cardanolglycidyl ether having 18 to 30 carbon atoms and further having in a molecule thereof an epoxy group, one or more aromatic hydrocarbon groups and an alip...
11/04/1997
5674811Cyanoketone derivative and herbicide containing it as an active component
A cyanoketone derivatives of the following formula (1) ##STR1## which are characterized by excellent herbicidal activity and effectiveness against a variety of broad leafed weeds, including barnyard grass, green foxtail, velvet leaf, livid amaranth a...
10/07/1997
5665473Package for mounting a semiconductor device
A package for mounting a semiconductor device comprises a base plate and a conductive layer laminated onto the base plate via an adhesive layer. The modulus of elasticity at 25° C. of the adhesive layer is 10 kg/mm2 or less....
09/09/1997
5631382Fulgimide compound
A fulgimide compound which reversibly changes from a colorless state into a colored state upon the action of light including ultraviolet-rays, and a composition containing this compound. The fulgimide compound is represented by the following formula (I), ...
05/20/1997
5629265Cyanoketone derivative and herbicide containing it as an active component
Disclosed herein are cyanoketone derivatives of the following formula (1) ##STR1## such as 1-cyano-1-piperidinocarbonyl-3-[4-(2-chloro-4-trifluoromethylphenoxy)pheno xy]-2-butanone, 1-cyano-1-piperidinocarbonyl-3-[4-(3-chloro-5-trifluoromethyl-2-...
05/13/1997
5621017Photochromic composition and method producing photochromic cured product
A photochromic composition which can be polymerized and cured upon irradiation with active energy rays such as ultraviolet rays to exhibit favorable photochromic property. The photochromic composition comprises 100 parts by weight of a radical polymerizab...
04/15/1997
5609675Inorganic composition
An inorganic composition comprises (A) 60 to 99% by weight of spherical inorganic oxide particles having a mean particle diameter greater than 0.1 μm but not greater than 1 μm, and (B) 40 to 1% by weight of inorganic oxide fine particles having a mean p...
03/11/1997
5476912Silicone-modified acrylic copolymer and adhesive thereof
An adhesive which exhibits excellent adhesiveness and is capable of firmly adhering an acrylic resin and a silicone rubber together at a temperature of as low as about 20° to 30° C. requiring a time of as short as several minutes. The adhesive is obtain...
12/19/1995
5462698Photochromic composition
A photochromic composition comprising (A) 100 parts by weight of a compound having at least one epoxy group in the molecule and (B) 0.0001 to 10,000 parts by weight of a photochromic compound. The compound (A) is represented by the following general formu...
10/31/1995
5439131Assembly including container, closure and operating means
An assembly that includes a frame, a pair of containers fitted to the frame, a common closure, and an operating assembly for moving the common closure. Each of the pair of containers is constituted by a syringe, and a nozzle portion is formed at the front...
08/08/1995
5430146Spirooxazine compounds
Disclosed is a novel spirooxazine compound having excellent durability which changes into a colored form upon irradiation with the light containing ultraviolet rays such as of sunrays or the light from a mercury lamp, the change being reversible....
07/04/1995
5395566Photochromic composition
A photochromic composition comprising (A) 100 parts by weight of a compound having at least one epoxy group in the molecule and (B) 0.0001 to 10,000 parts by weight of a photochromic compound. The compound (A) is represented by the following general formu...
03/07/1995
5352520Propylene-ethylene/butene block copolymer
Disclosed is a propylene-ethylene/butene block copolymer, comprising a polybutene component block-copolymerized with a propylene-ethylene random copolymer component, or with a polypropylene component and a propylene-ethylene random copolymer component, th...
10/04/1994
5345330Single crystal of 3-(2-furyl)methacrylic acid anhydride
A single crystal of 3-(2-furyl)methacrylic acid anhydride, (a) which has an absorption edge in a region off light having a wavelength of not more than 450 nm (b) which exhibits non-linear optical activity, (c) which has a single crystal structure having a size of w...
09/06/1994
 
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