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Matches 251 - 300 out of 2,572

Document Document Title
WO/1993/002311A2
An impressed current corrosion protection system comprises a distributed anode in the form of a conductive core covered with a conductive polymeric coating and surrounded by packed coke contained within a polymeric jacket. This outer jac...  
WO1992012851A3  
WO/1992/020330A1
The present invention is a new method of processing thermoplastic material to obtain an altered structure and products produced therefrom. The process of the present invention includes subjecting a feedstock material which consists of a ...  
WO/1992/020329A1
Enzyme products are disclosed. The enzyme products include an enzyme-bearing matrix formed by subjecting a feedstock containing enzyme(s) and carrier materials to conditions which alter the physical and/or chemical structure of the carri...  
WO/1992/012851A2
Method, apparatus and composition for making a plastic lens. The method comprises disposing a liquid monomer or a monomer mixture and a photosensitive initiator into a mold cavity and directing ultraviolet light to act on the lens formin...  
WO/1991/007440A1
A polymerization method carried out in the presence of unsaturated hydroperoxides useful as molecular weight regulators, is disclosed. Also disclosed are polymers and oligomers made by this process and articles of manufacture comprising ...  
WO/1991/007387A1
Novel unsaturated peroxides useful as molecular weight regulators in polymerization reactions are disclosed. Also disclosed are a polymerization process employing these novel unsaturated peroxides as molecular weight regulators, polymers...  
WO/1990/015086A1
The invention relates to copolymers containing carboxyl groups with an acid number of 20 to 150 mg KOH/g and an average molecular weight of 2000 to 8000, obtained preferably by reacting copolymers containing hydroxyl groups with carboxyl...  
WO/1990/012819A1
A photochromic article having improved photochromic equilibrium response is described. In particular, a photochromic compound is incorporated into or applied to an article, e.g., matrix, of a synthetic organic resin prepared from a compo...  
WO/1990/005629A1
A method for making a plastic lens and a plastic lens made thereby. The method comprises disposing a liquid monomer or a monomer mixture and a photosensitive initiator into a mold cavity and directing ultraviolet light to act on the lens...  
WO/1990/005131A1
The invention relates to 5-oxo-3-pyrrolidinecarboxylic acid derivatives having structural formula (I), wherein X is selected from the group (a), (b) and (c), R2 and R3 are each H or CH3, and R1 is H or a hydrocarbon radical having from 1...  
WO/1990/002144A1
A novel composition suitable for use in a corneal contact lens comprising the reaction product of: a) between about 20 and about 60 % by weight of polymerizable silicate having general formula (I), wherein R = alkyl, aryl or H; R' = R or...  
WO/1989/012085A1
Molecular building beams, liquid crystals, and surfactants in the form of compounds based on [1.1.1]propellane, including poly[1.1.1]propellanes. Molecular building beams having a telomeric or polymeric chain staff, and linking groups fu...  
WO/1989/010915A1
Polymerizable compositions comprising 4,4'(1-phenylethylidene)bis[phenol] bis(allyl carbonate) monomer or prepolymer are useful for preparing polymerizates of high refractive index.  
WO/1989/003386A1
Ultraviolet light absorbing, polymerizable phenothiazine and azaphenothiazine monomers, copolymers thereof and articles of manufacture, including lenses, optical devices, plastic films and hydrogels, constructed therefrom.  
WO/1987/004441A1
A method to produce in ethyl alcohol, polyvinyl acetate, partially hydrolized in acid or basic surroundings, preferably with hydrolysis values between 10 and 55 % moli OH, suitable for polymerization of vinyl chloride monomer in aqueous ...  
WO/1987/003605A1
Oligomers are produced from unsaturated monomers. They contain terminal unsaturation and have a degree of polymerization of from 2 to 200. These oligomers are produced by the free radical polymerization of unsaturated monomers using as a...  
WO/1987/002040A1
A resin for preparing lens with high refractive index, which is prepared by copolymerizing one or more monofunctional monomers selected from the compounds represented by formula (I): (wherein X represents oxygen or sulfur, Y represents C...  
WO/1986/003500A1
A resin for preparing lens with high refractive index, which is prepared by copolymerizing one or more benzenedicarboxylic acid esters substituted by halogen atom(s) in the nucleus and represented by formula (I), (wherein X represents Cl...  
WO/1986/000313A1
An ultraviolet ray-absorbing plastic plate which cuts off ultraviolet rays for extended periods of time to protect objects of art from ultraviolet rays and mechanical damage. The ultraviolet ray-absorbing plastic plate is obtained by pol...  
WO/1984/000621A1
Vinyl acetate copolymers having excellent adherence to supports such as photographic film supports. Such copolymers comprise recurring polymerized units of: (A) 20 to 85 weight percent vinyl acetate monomer, (B) 5 to 65 weight percent ac...  
WO/1984/000369A1
Method for the preparation of aqueous dispersions as well as the (co)polymerization of emulsions of vinyl halides and/or vinyl esters and optionally other monomers in the presence of emulsifiers. To stabilize the resultent dispersions, p...  
WO/1984/000370A1
A resin for lens with a high refractive index prepared by compolymerizing one or more benzenedicarboxylic acid esters substituted by halogen in the nucleus and represented by the formula (I), (wherein X represents Cl or Br, n represents ...  
WO/1983/000066A1
Plastic lens comprising a copolymer of diethylene glycol bisallyl carbonate, benzyl methacrylate, and diallyl isophthalate, which has a refractive index of at least 1.54, forms no clouding and no cords, and shows good physical and chemic...  
WO/1981/001289A1
A Process for the preparation of a copolymer comprising sequences of alternating monomer residues, which process comprises reacting at least one donor monomer with at least one acceptor monomer in the presence of: 1) a transition metal c...  
WO/1980/000967A1
Process for preparing vinyl dispersion resins by conducting the polymerization reaction of the vinyl monomer or monomers in an aqueous alkaline medium, using an oil-soluble polymerization initiator, at low temperatures, in the presence o...  
WO/1979/000488A1
A tobacco flavorant having reduced mobility and/or volatility at ambient temperatures when incorporated in a tobacco composition. This invention provides carboxylic acid flavorant-release oligomeric and polymeric derivatives correspondin...  
JPWO2019031461A1
本発明は、ビニル化合物を懸濁重合するに際 して、重合安定性に優れ、得られるビニル系 重合体は粗大粒子の形成が少なく、さらに、 得られるビニル系重合体をシート状に成...  
JP2020125394A
【課題】 可塑剤と混練した際に、ゾルの粘度経時変化 が少なく、低温加工による成型体であっても 優れた破断伸びを示す塩化ビニル−酢酸ビニ ル共重合体樹脂、及び、コー...  
JP2020125418A
【課題】位相差特性および波長依存性に優れ た光学フィルムを提供する。【解決手段】下 記式(1)で表されるフマル酸エステル系重 合体80重量%以上、及びシリコーン樹...  
JP2020106609A
[Subject] An optical control panel and an optical image formation device excellent in image formation quality are provided. [Means for Solution] Optical control panel 1 has a plurality of beltlike flat light reflection parts by which a h...  
JP6713322B2  
JP2020075964A
To provide a vinyl(co)polymer for hair cosmetic that gives a good cohesiveness during use and can maintain its keeping-power even in a high humidity environment, and to provide a hair cosmetic.Provided is a hair cosmetic (co)polymer obta...  
JP2020073695A
To provide a cured product that not only has excellent photochromic characteristics, but also has excellent moldability, is manufacturable in good yield in a facility not requiring strict temperature control, and has excellent mechanical...  
JP2020066647A
To provide a polyvinyl alcohol resin powder with uniform distribution of impurities.There is provided a polyvinyl alcohol resin powder having a content of sodium acetate of a polyvinyl alcohol resin with a particle diameter of 500 to 100...  
JP6690555B2  
JP6690554B2  
JP6674536B2  
JP2020504195A
The present invention relates to the use for polymerizing at least one Allyl monomer and/or Allyl copolymer of one sort or a plurality of specific organic peroxide. The present invention relates to the constituent containing at least one...  
JPWO2018155622A1
Let it be a subject for the supply capacity of a physiologically active substance to supply a high cell or an organization Embedding device by suppressing reduction of a raw cell or a body tissue in the process of producing the PVA gel c...  
JP6607958B2  
JP2019196499A
To provide polymers containing carbonyl groups conjugated with carbon-carbon double bonds, which allow production of small polymer particles, exhibit no yellow color, and are used as primary suspending agents.A branched polymer comprises...  
JPWO2018124014A1
It is a side chain Olefin content vinyl alcohol system polymer including a vinyl alcohol unit and the constitutional unit denoted by following formula (I). Thereby, also after heat treatment, water solubility is good, preservation stabil...  
JPWO2018117245A1
The present invention makes it a subject to provide the dispersing agent and the dispersing agent for suspension polymerization using the polyvinyl alcohol system resin in which coloring was suppressed, and the polyvinyl alcohol system r...  
JPWO2018117246A1
The present invention makes it a subject to provide the dispersing agent for suspension polymerization used at the time of the dispersing agent using providing the polyvinyl alcohol system resin in which coloring was suppressed, and the ...  
JP2019171879A
To provide a method of calculating polymerization temperature conditions, in which generation of optical distortion and striae of an optical material can be suppressed and an optical material having an excellent appearance can be obtaine...  
JP6564950B1
The polymerization condition setting methods of the present invention are a polymerization reactivity compound, and a polymerization catalyst and/or a polymerization initiator, warming of the polymerization reactivity compound at the tim...  
JP6551659B2  
JP6550908B2  
JP2019123968A
To provide a surface size agent for paper manufacturing, having good compatibility even when containing an organic acid salt and excellent antistat effect and size effect.The surface size agent for paper manufacturing contains a polymer ...  

Matches 251 - 300 out of 2,572