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Yoon, Tae H.


Primary examiner statistics: 1270 patents; average approval time: 1269 days
Assistant examiner statistics: 242 patents; average approval time: 628 days

Patents as Assistant Examiner


1              
NumberTitleIssue Date
5428100Liquid crystal polyester resin composition and molded article
There are provided a liquid crystal polyester resin composition comprising 100 parts by weight of a liquid crystal polyester, 45 to 80 parts by weight of graphite having an average particle size of 5 μm or more and 0 to 140 parts by weight of talc having...
06/27/1995
5426148Fast-curling, high strength, two-part sealants using acetoacetate-amine cure chemistry
A fast-curing sealant composition is made from generally liquid oligomers and has good tensile strength, one hundred percent modulus, Shore-A Hardness, and good insensitivity to water. One part of the sealant composition is generally a polyester or polyet...
06/20/1995
5418262Adhesive, waterproof and hydrolysis-resistant bonding layer for metal, ceramic, glass, polymer-plastic bonds and dispersion for producing it
A dispersion for producing an adhesive, waterproof and hydrolysis-resistant bonding layer for bonding metal, ceramics, glass and for polymer-plastic bonds, including a phenol resin-methacrylate dispersion containing phenol with free methylol groups, one o...
05/23/1995
5418277Aqueous ink jet inks containing fluorinated polymers
An aqueous dye or pigment ink particularly adapted for ink jet printing containing a fluorinated block copolymer prepared from a fluorinated oxazoline or oxazine. Resulting inks exhibit high print quality over a range of papers....
05/23/1995
5416155Material for semiconductive screening
The present invention relates to a material for semiconductive screening and to use of the material in manufacturing cables and capacitors, and in electromagnetic shielding of electrical and electronic apparatus. The present invention further relates to c...
05/16/1995
5413739Electrochromic materials and displays
Dispersions of electrically conductive particles useful for preparing electrically conductive, essentially ionically isolative composite layers having electrically conductive particles dispersed in a polymer matrix. Composite layers can be used in laminat...
05/09/1995
5411998Curing anaerobic compositions through thick bondlines
A process for sealing or adhering two surfaces having gaps of more than 100 micrometers between the surfaces which comprises: (A) applying to at least one of said surfaces an anaerobic composition comprising: (i) a room temperature polymerizable (meth)acrylic ...
05/02/1995
5371127Stabilized carbon monoxide-olefin copolymers
Polyketone compositions can be stabilized by the addition of a suitable stabilizing amount of a blend of a hindered phenol compound, such as a thioester-containing hindered phenol and an epoxy compound (such as an epoxy cycloaliphatic carboxylate)....
12/06/1994
5371134Electrically conductive resin compositions
Electrically conductive resin compositions are provided. The electrically conductive resin composition comprises (A) the following in a total of 100 parts by weight: (a) 50-99 parts by weight of polyether imide resin, and (b) 1-50 parts by weight of polyphenylene s...
12/06/1994
5369165Polyolefin solution using halogen group solvents
A halogen group solvent comprising a mixed solvent consisting essentially of bromochloromethane and/or 1,2-dichloroethylene and a co-solvent, wherein the co-solvent is at least one member selected from the group consisting of carbon dioxide, sulfur hexafl...
11/29/1994
5364613Polychelants containing macrocyclic chelant moieties
There are provided polychelants and their metal chelates which are useful in diagnostic imaging and in radiotherapy and which comprise a plurality of macrocyclic chelant moieties, e.g, DOTA residues, conjugated to a polyamine backbone molecule, e.g, polyl...
11/15/1994
5364929Dissolution of tetrafluoroethylene polymers at superautogenous pressure
Disclosed herein is a process for dissolving high melting polymers containing tetrafluoroethylene units at pressures greater than autogenous pressure, using selected halogenated solvents that are often not solvents at autogenous pressure. Also disclosed a...
11/15/1994
5362771Process for inclusion in (meth)acrylic resins of substances of liquid to solid consistency
Inclusion blocks of a substance chosen from ion exchange resins contaminated with radioactive elements, water which can, where appropriate, contain pollutants, solid-phase wastes in the form of blocks or pulverised preparations or liquid-phase wastes are ...
11/08/1994
5360859Lithium aluminum complex hydroxide salt stabilizer for resins
A stabilizer for resin, which is composed of a lithium aluminum complex hydroxide salt represented by the following formula [Al2 Li(OH)6 ]n X.mH2 O (1) wherein X is an inorganic or organic anion, n is a val...
11/01/1994
5360867Process for preparing block or graft copolymers using amino or hydrazino peroxides
This invention relates to novel reactive amino or hydrazino peroxides (hereinafter generally referred to as "AHP's") and derivatives all having a Structure A: ##STR1## in which the definitions of P, R11, R22, X, Q and x, y and z are given in the...
11/01/1994
5356567Lithium aluminum complex hydroxide salt stabilizer for resins
A stabilizer for resin, which is composed of a lithium aluminum complex hydroxide salt represented by the following formula Al2 Li(OH)6)n X.mH2 O . . . (1) wherein X is an inorganic or organic anion, n is a valence number...
10/18/1994
5357030Process for producing and polyamide compositions comprising lactamyl phosphites as chain extending agents
The invention relates to a process for producing chain extended polyamide compositions which comprise one or more polyamides and one or more lactamyl phosphites....
10/18/1994
5357001Optically active amino acid sulphoxide and amino acid sulphone derivatives, their preparation, their polymerisation and use as adsorbents for chromatographic resolution of racemates
The invention relates to new optically active amino acid derivatives of the general formula (I) ##STR1## in which n, R, R1, R2, R3, X and A have the meaning given in the description, which amino acid derivatives conta...
10/18/1994
5356979Coating resin and antifouling coating composition
A coating resin comprising a polymer obtained by polymerizing an unsaturated monomer represented by the formula (I): ##STR1## wherein R is H or an alkyl group, and X is selected from: ##STR2## wherein R1 to R8 represent ind...
10/18/1994
5357026Flame retardant SRIM compositions
Flame retardant reaction injection molded (RIM) or structural RIM (SRIM) resins having improved time retardant properties may be produced by the addition of a halogenated vinyl resin. Suitable halogenated resins include polyvinyl chloride (PVC) and chlori...
10/18/1994
5354833Shelf-stable one-part room temperature vulcanizing fluorosilicone compositions
A method for continuously producing a room temperature vulcanizable composition is disclosed. A base mixture of a silanol stopped fluorosilicone polymer, a silica filler and iron oxide are processed in an extruder at an elevated temperature between about ...
10/11/1994
5349026Reactive coalescents
A coating or impregnating composition containing an aqueous dispersion of a vinyl addition polymer and a reactive coalescent is provided. The reactive coalescent contains at least one acetoacetate grouping, or an enamine thereof. In one embodiment the rea...
09/20/1994
5344869Thermoplastic molding material
Thermoplastic molding materials contain, based in each case on the sum of components A, B and C, A: from 10 to 90% by weight of a polymer A composed of styrene and/or substituted styrene, B: from 10 to 90% by weight of a polyolefin B and C: from 5 to 40% by we...
09/06/1994
5340500Conducting pan-layered inorganic composite and preparation of the same
The present invention relates to a PAN composite and the process for preparation of the same, wherein an inorganic macroanionic insulator is employed as the host and an oxidizing polymerization of aniline is followed under an appropriate condition. The tr...
08/23/1994
5340537Temperature indicating compositions
Temperature indicating compositions of dispersions in an aqueous binder of a color changing electron donating compound having a melting point greater than about 300° F. and a polymeric electron accepting resin reactive with the electron donating compound...
08/23/1994
5338413Method for the preparation of a polymeric shaped article containing an electrically conductive polymer
Method for the preparation of a polymeric shaped article containing an electrically conductive polymer wherein a base shaped article possessing electrically conductive properties is moved along an anode, at least part of the article being in contact with ...
08/16/1994
5336710Composition for molding of vehicle body panels
A resin transfer molding process for manufacture of class `A` surface vehicle body panels. The process has critical ranges of resin (38%-44%) reinforcement fibers (28%-32%) and a filler material (28%-30%)....
08/09/1994
5334623Absorbent material and uses thereof
The present invention provides a composition for absorbing ethylene and other unsaturated compounds. The composition comprises electron-deficient dienes or trienes incorporated in an ethylene-permeable substrate. In a preferred form the composition compri...
08/02/1994
5331024Process for the preparation of an aqueous dispersions of plastics having a reduced formaldehyde content and use thereof
The invention relates to aqueous dispersions of plastics having a solids content of 30 to 70% by weight and a reduced formaldehyde content, based on polymers of one or more monomers from the group comprising acrylic acid esters, methacrylic acid esters, v...
07/19/1994
5331034Process for reducing the discoloration of a plastic molding composition at the processing temperature
In plastic molding compositions, in particular those based on olefin polymers, which contain phenolic stabilizers and metal ions as catalyst residues, the discoloration at the processing temperature is reduced if they contain triglycerol or ditrimethylolp...
07/19/1994
5330959Enhanced speed carbonless paper
A coating composition for use in carbonless copying systems including (1) a resin dispersion which is a phenol/aldehyde condensation product formed by the interaction of an alkyl-substituted salicylic acid, an alkyl-substituted phenol, an aldehyde and a m...
07/19/1994
5328956Propylene (co)polymer and process for the preparation of the same
A propylene (co) polymer terminated with a reactive group and a process for the preparation of the same. A graft copolymer having a specific side chain and a process for the preparation of the same. The propylene (co) polymer is usable as a radial- or ion-poly...
07/12/1994
5326813Thermoplastic resin composition containing a modified polyphenylene ether
There are disclosed a thermoplastic resin composition comprising (A) a styrenic polymer having a high degree of syndiotactic configuration, (B) an inorganic filler and (C) a polyphenylene ether that is modified with a compound having an ethylenic double b...
07/05/1994
5326799Composition
A polymeric composition having aromatic polycarbonate or aromatic polycarbonate like properties which process at significantly lower temperatures than aromatic polycarbonate in admixture with an additive which is incompatible with an aromatic polycarbonat...
07/05/1994
5324874Process for a decarbromodiphenylethane predominate product having enhanced whiteness
This invention relates to an improvement in a process for preparing a product predominant in decabromodiphenylethane. In the improved process the diphenylethane is reacted with bromine in the presence of bromination catalyst in a reaction vessel by feedin...
06/28/1994
5324815Process for producing electrically conductive organic polymer
A process for producing an electrically conductive organic polymer, which comprises subjecting an organic polymer having an imino-p-phenylene structural unit represented by the following formula ##STR1## as the main repeating unit to a doping treatme...
06/28/1994
5324834Piperidine-triazine co-oligomers for use as stabilizers for organic materials
The present invention relates to novel co-oligomers containing recurring units of the formulae (Ia) and (Ib) ##STR1## which have a number average molecular weight of e.g. from 1,000 to 5,000 and a (Ia):(Ib) ratio of e.g. 1:1, and in which R1
06/28/1994
5322868Coating compositions stabilized against light, heat and oxygen
o-Hydroxyphenyl-s-triazines of formula I ##STR1## wherein n is 1 or 2 and R1 to R7 are as defined in claim 7, are good light stabilizers for coating compositions which contain a basic curing catalyst. In contradistinction to oth...
06/21/1994
5322872Stabilized compositions of mixed metal carboxylates
Compositions of (a) a salt of a metal and a carboxylic acid having at least 6 carbon atoms and (b) at least one salt of a metal other than the metal of (a) and a carboxylic acid having at least 6 carbon atoms in a fluid medium are stabilized towards stora...
06/21/1994
5319039Thermally processable blends of aromatic polyesters and high modulus polyurethanes
The tensile strength of a thermoplastic, transparent, aromatic polyester is markedly improved by incorporating into the polyester a thermoplastic, rigid polyurethane. The resultant transparent blend is particularly useful in making eyeglasses, toothbrushe...
06/07/1994
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