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Attorney: Welch, II; Edward K.


Number of patents: 43
Last date: December 27, 2011

1    
NumberTitleIssue Date
8083851Antimicrobial cements and cementitious compositions
Efficient antimicrobial additives are provided comprising a wettable, cake-forming inorganic material having dispersed therein an inorganic or organometallic antimicrobial agent capable of releasing antimicrobial metal ions. These antimicrobial additives are especia...
12/27/2011
8063116Antimicrobial powder coatings and method
An improved method for fixedly coating powder coating prepolymer and/or polymer particles with microparticles of solid, heat absorbing polymer additive materials, especially antimicrobial additive materials. ...
11/22/2011
8047704Dispenser with dynamic mixer for two-part compositions
Novel dispenser means are provided for mixing and dispensing two-part curable compositions wherein the mixer elements are isolated from the curable components. ...
11/01/2011
8042991Dispenser with dynamic mixer for two-part compositions
Novel dispenser means are provided for mixing and dispensing two-part curable compositions wherein the mixer elements are isolated from the curable components. ...
10/25/2011
7976670Surface insensitive anaerobic adhesive and sealant compositions
Surface insensitive, storage-stable, single-package liquid anaerobic adhesive and sealant compositions which are substantially free of amines, especially aromatic and tertiary amines, and imides, especially sulfimides such as saccharine and saccharine-type compounds...
07/12/2011
7963690Dispenser with dynamic mixer for two-part compositions
Novel dispenser means are provided for mixing and dispensing two-part curable compositions wherein the mixer elements are isolated from the curable components. ...
06/21/2011
7754625Wash-durable and color stable antimicrobial treated textiles
The present invention provides for a color stable antimicrobial coatings and coating systems comprising a silver ion-exchange type antimicrobial agent. In particular, coatings and coating systems having little, if any, discoloration are provided with no loss of anti...
07/13/2010
7722939Adhesively securable stock materials
Stock materials for manual and/or high speed industrial automated bonding applications having a curable pre-applied adhesive or sealant compositions on the bonding surfaces wherein the curative for the pre-applied adhesive or sealant composition is contained within ...
05/25/2010
7585902Antimicrobial coating for erosive environments
This invention provides for a curable antimicrobial coating system comprising a base coating composition and a top coat coating composition wherein each contains and antimicrobial agent. The base coat forms a non-hydrophilic polymer layer and the top coat preferably...
09/08/2009
7357949Encapsulated inorganic antimicrobial additive for controlled release
The invention relates to a microcapsule comprising an inorganic antimicrobial agent coated with a hydrophilic polymer. The hydrophilic polymer is able to absorb sufficient water as to enable the action of the encapsulated antimicrobial agent. These microcapsules are...
04/15/2008
7220948Induction seaming tapes, systems and methods
The present invention pertains to novel tapes, tools and seaming systems for creating seams of rolled goods, especially carpeting, using induction heating. The present invention also provides improved seaming tapes for use in resistive heating methods. ...
05/22/2007
7141768Fastening device
A device for fastening surfaces together in an effective, efficient, and preferably reversible bond is disclosed. This device is particularly useful in the construction industry for fastening roll goods, such as wall coverings, or mill work, such as moldings, to sur...
11/28/2006
7141767Induction seaming tapes, systems and methods
The present invention pertains to novel tapes, tools and seaming systems for creating seams of rolled goods, especially carpeting, using induction heating. The present invention also provides improved seaming tapes for use in resistive heating methods. ...
11/28/2006
7045750Induction seaming tapes, systems and methods
The present invention pertains to novel tapes, tools and seaming systems for creating seams of rolled goods, especially carpeting, using induction heating. The present invention also provides improved seaming tapes for use in resistive heating methods. ...
05/16/2006
6585767Antimicrobial suturing ring for heart valve
A suturing ring to attach the body of an implantable heart valve to heart tissue by sutures is composed of a fabric containing an inorganic antimicrobial agent. The fabric can have a material coating the fibers of the fabric in which particles of the agen...
07/01/2003
6582715Antimicrobial orthopedic implants
An orthopedic surgical implant of one or more components having a surface which is to be contacted by body tissue and/or fluid. The surface contains an inorganic antimicrobial agent either incorporated in the material forming a component having the surfac...
06/24/2003
6436422Antibiotic hydrophilic polymer coating
The invention relates to an antibiotic coated substrate having an antibiotic coating composition coated thereon. The coating composition is formed of a hydrophilic polymer having antibiotic ceramic particles, preferably antibiotic zeolite, dispersed there...
08/20/2002
6069200Aqueous silylated polymer curable compositions
Curable compositions comprising stable, water dispersible, curable polymers containing sterically hindered alkoxylated silane groups and acid groups blocked by fugitive bases at 0.1 to 75 weight percent of the total composition and water at 99.9 to 25 wei...
05/30/2000
4732956Styryloxy resins and compositions thereof
Polyfunctional cationically polymerizable styryloxy compound of the formula ##STR1## where R1 and R2 are H, or one of R1 and R2 are H and the other is methyl; R3 and R4 are H, lower alkyl, ...
03/22/1988
4731982Gas line sealing method utilizing penetrating flexible sealant
A method of sealing leaking gas pipe joints by injecting a catalyzed acrylic monomer composition into the leaking joint and curing the composition in the joint to seal the leak is characterized in that the composition when cured has a glass transition tem...
03/22/1988
4683247Foamable thermoplastic compositions, foamed articles and foaming method based on pre-compounded nucleating agent-resin concentrate
Foamable thermoplastic compositions are described which are based on pre-compounded concentrated blends of an inorganic non-fibrous particulate foaming agent and a carrier polymer. The foamable thermoplastic polymer is selected from among aromatic polycar...
07/28/1987
4661394Low glare polycarbonate sheet with improved optical properties
This disclosure describes transparent, low glare, thermoplastic sheet having improved weatherability and reduced distortion levels comprising a textured thermoplastic substrate and a methacrylic coating....
04/28/1987
4654401Hydroxyl group graft modified polyolefins
Polyolefins are graft modified with functional hydroxyl groups through an imide linkage and chemically reacted with polymerized polycarbonates, polyesters, and/or poly(ester-carbonates) to produce a thermoplastic molding composition....
03/31/1987
4652685Hydrogenation of lactones to glycols
Lactones, particularly gamma-butyrolactone, are hydrogenated in the vapor phase to glycols over a copper chromite catalyst....
03/24/1987
4652617Polycarbonate/ester hetero group condensation polymer blends
A thermoplastic composition includes compatible blends of a mixed polycarbonate comprising units derived from a first dihydric phenol, which is a bis(hydroxyaryl) sulfone, a second dihydric phenol; and one or more thermoplastic condensation polymers conta...
03/24/1987
4647493Puncture resistant laminate
The present invention provides an improved penetration resistant laminate comprising: a plurality of internal and forward penetration resistant thermoplastic resinous laminae of from about 100 mils to about 250 mils in thickness; a back polycarbonate lami...
03/03/1987
4645804Polycarbonate/imide hetero group condensation polymer blends
A thermoplastic composition includes compatible blends of a mixed polycarbonate comprising units derived from a first dihydric phenol, which is a bis(hydroxyaryl) sulfone, a second dihydric phenol; and one or more thermoplastic condensation polymers conta...
02/24/1987
4645708Internal protective coatings for sensitive resinous laminae
Thermoplastic laminae are given scratch and mar resistance on an external face as well as protection from incompatible additives of adjacent adhesive layers on an internal face by a single cross-linked protective coating....
02/24/1987
4639481Modified thermoplastic polyester molding compositions and articles molded therefrom
Thermoplastic molding compositions which comprise (a) a poly(C2-6 alkylene terephthalate) resin and a major proportion of (b) an aromatic polycarbonate resin with (c) a polyolefin resin or an olefin copolymer, provide molded articles of improve...
01/27/1987
4636544Flame retarded polyester molding composition with improved electrical performance
Titanium dioxide is disclosed to improve the comparative tracking index of flame retarded poly(1,4-butylene terephthalate) resin molding compositions....
01/13/1987
4632962Hydroxyl group graft modified polyolefins
Polyolefins are graft modified with functional hydroxyl groups through an imide linkage and chemically reacted with polymerized polycarbonates, polyesters, and/or poly(ester-carbonates) to produce a thermoplastic molding composition....
12/30/1986
4629750Flame retarded polyester resin with improved impact strength
Cuprous iodide is disclosed to improve the impact strength of flame retarded, glass reinforced, impact modified, poly(1,4-butylene terephthalate) resin molding compositions....
12/16/1986
4616042Low temperature impact modified thermoplastic foam
The low temperature impact strength of foam thermoplastic articles is increased with the addition of polysiloxane-polycarbonate block copolymer....
10/07/1986
4615947Acrylic primer for adhering an organopolysiloxane
A primer layer containing a thermoplastic or thermoset acrylic homogeneously admixed with an organopolysiloxane constituent increases the adhesion of abrasion and solvent resistant organopolysiloxane hardcoats to thermoplastic substrates....
10/07/1986
4600640Thermoplastic resinous substrates having an external thin glass sheet protective layer
An abrasion and chemical solvent resistant thermoplastic article is disclosed which has a protective layer of thin glass from about 0.3 mils to about 20 mils in thickness bonded to a thermoplastic substrate by a UV cured adhesive interlayer....
07/15/1986
4598021Weatherable abrasion resistant etherified aminoplast derived coating for plastic substrates
A protective coating composition containing a polycaprolactone polyol and an aminoplast derivative is applied to a thermoplastic substrate to produce a thermoformable article having abrasion resistance, solvent resistance and weatherability....
07/01/1986
4581382Polycarbonate resin foam
Epoxy compounds are added to polycarbonate resin to reduce or eliminate the necessity of drying the resin prior to a foaming process....
04/08/1986
4571280Method for increasing the adhesion of polydiorganosiloxane-polycarbonate block copolymer interlayers to adjoining laminae and primer composition to accomplish same
The present invention provides a method and primer composition to increase the adherence of a polydiorganosiloxane-polycarbonate block copolymer lamina or layer to adjoining thermoplastic laminae or layers in a consolidated laminate or composite....
02/18/1986
4567249Melt preparation of polyamide by amide ester interchange
Melt-processable polyamides are prepared smoothly and rapidly by interchange of diesters of dicarboxylic acids with diamines in a solventless melt phase process....
01/28/1986
4559164Electrically conductive poly(butylene terephthalate) moldings and compositions therefor
Poly(butylene terephthalate) injected molded articles which contain small uniformly distributed amounts of amorphous carbon or graphite powder, or graphitic carbon in the form of fibers, or any combination thereof, are electroconductive and possess decrea...
12/17/1985
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