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4585685 |
Acoustically porous building materials
The present invention relates to acoustically porous building materials which are produced by disposing an aggregate material on the surface of a dry-formed web comprising a fibrous material and an...
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4571356 |
Water soluble one-component polymeric resin binder system for fiberglass mats
This invention covers a water soluble one-component fiberglass mat binder composition which comprises a urea-formaldehyde resin and polyvinyl acetate polymers and/or vinyl acrylic-polyvinyl acetate...
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4567079 |
High-strength built-up roofing using improved ply sheets
Lighter weight, high strength, built-up roofing (BUR) membranes, systems and process for obtaining same are provided herein. These BUR membranes are made by using an improved ply sheet having...
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4564556 |
Transparent non-vitreous ceramic particulate
Solid, transparent, non-vitreous, ceramic particles useful as lens elements in retroreflective pavement markings characterized by having: A. at least one metal oxide phase; and B. an average...
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4556595 |
Pressure-sensitive adhesive sheet structure having relocatable properties
A pressure-sensitive adhesive sheet structure having relocatable properties composed of a pressure-sensitive adhesive layer and non-adhesive solid particles; characterized in that the non-adhesive...
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4555292 |
Method of forming a non-skid surface wood panel
The present invention defines two methods of forming a non-skid-surfaced wood panel, preferably plywood, which is treated with various coats or layers of epoxy resin, together with a finished...
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4554198 |
Waterproof and air-tight, moisture-conducting textile material
The invention relates to a waterproof and air-tight, moisture-conducting textile material (1) which has a coating (3) of coagulated polyurethane containing preferably a great number of micropores,...
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4543106 |
Coated abrasive product containing hollow microspheres beneath the abrasive grain
A coated abrasive product which comprises a fabric backing, a layer of abrasive grain and at least one layer of resin between the backing and abrasive grain. Hollow microspheres are present and at...
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4541830 |
Dye transfer sheets for heat-sensitive recording
A dye transfer sheet for heat-sensitive recording is described which comprises a substrate, and a thin layer of at least one sublimable dye formed on one side of the substrate. The dye layer...
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4532170 |
Scuff-resistant laminates
The scuff resistance of a high-pressure laminate is improved by incorporating in or very near the surface thereof, finely divided polyethylene wax preferably having a particle size of about 1-25...
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4514452 |
Magnetic recording disk
A magnetic recording disk is disclosed, which comprises (1) a three-layered laminate consisting of a core layer of a biaxially oriented polyolefin film which has a birefringence of not more than...
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4495247 |
Primer coating composition of a fluorocarbon polymer and an amino alkyl alkoxy silane
A primer composition for fluorocarbon polymer coatings which cures at ambient temperatures and contains a fluorocarbon polymer of vinylidene fluoride and hexafluoropropylene and has a weight...
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4478610 |
Method of preparing flexible backing material for use in coated abrasives
A flexible sheet material particularly suitable as a backing for coated abrasive products and method of making same are described. The flexible sheet material is of that type employing a straight...
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4473610 |
Composite weatherproof roofing system
To a substrate is added a plurality of layers of materials comprising: a first layer of thermoplastic acrylic resin, to which is added a layer of aluminum foil. Over the aluminum foil is added a...
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4471016 |
Article having a scratch resistant lubricated glass surface
A method of increasing the abrasion resistance of glass articles is disclosed. It has been found that by providing a vitreous substrate with a micro-roughened surface and an overlayer of dry...
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4469731 |
Composite insulating article for making prefabricated coverings
The invention concerns a composite article for making coverings, which comprises, in a stratified structure, a self-protecting outer membrane associated at its lower surface with an insulating...
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4468430 |
Asphalt shingle with glass fiber mat
A glass fiber shingle having random butadiene-styrene copolymer added to the coating asphalt for the glass fiber mat.
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4464427 |
Preformed membrane
A preformed membrane, suitable for road surfacing, comprises a layer of a mixture of bitumen, a linear monoalkenyl arene/conjugated diene block copolymer and a branched monoalkenyl arene/conjugated...
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4442156 |
Window weather stripping and the manufacturing method
Window weather stripping for sealing a gap between a movable glass and a window frame having less frictional sliding resistance and longer life time at a lower manufacturing cost. The window...
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4437865 |
Flexible backing material for use in coated abrasives
A flexible sheet material particularly suitable as a backing for coated abrasive products and method of making same are described. The flexible sheet material is of that type employing a straight...
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4434202 |
Slide member
The slide member is composed of a polymer composite material containing an unsaturated polyester resin, a thermoplastic resin and a granular inorganic filler. The slide member is of a double...
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4418110 |
Vapor-permeable retroreflective sheeting
Retroreflective sheeting in which a specularly reflective layer within the sheeting has extensive discontinuities which make the sheeting permeable to vapor, thereby allowing release of vapors from...
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4405680 |
Roofing shingle
This invention relates to a roofing shingle having improved low temperature flexibility comprising a flexibilized mat prepared by impregnating a glass fiber web with the blend of an unblown asphalt...
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4404245 |
Protective sheet for cassette holding magnetic recording tape
A protective sheet for a cassette holding a magnetic recording tape comprises a transparent base which is coated with a hardened surface layer formed by bonding hard fine particles with a binder.
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4388359 |
Embossed pavement-marking sheet material
Pavement-marking sheet material having protuberances on its upper surface which carry partially exposed microspheres by which the protuberances are made retroreflective and which are separated by...
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4386981 |
Method of waterproofing roofs and the like
Roofs of buildings and the like are waterproofed by applying thereto a plurality of preformed, sheet-like, flexible waterproofing laminates each comprised of (i) a lower sheet support layer...
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4374691 |
Material and method for forming pressure transferable graphics
A composite material and method for forming graphics such as letters or numbers that are pressure transferable to a substrate. The composite material includes an accepting tape including a layer of...
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4374167 |
Vapor permeation curable polyester resin coating compositions for flexible substrates
Disclosed is a coating composition rapidly curable at room temperature in presence of a vaporous tertiary amine catalyst and possessing a flexibility sufficient for a zero-T bend on metal and a mar...
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4364985 |
Porous sheet
A porous sheet is disclosed that comprises a thin, flexible sheet made of thermoplastic resin having solid particles distributed therein. Small spaces are formed around the particles, such that...
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4359497 |
Paper-like butene-1 polymer compositions
A paper like butene-1 polymer sheet material is made by extruding a composition comprising (a) about 20 to 97% by weight of a butene-1 polymer having a molecular weight in excess of about 20,000,...
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4357377 |
Thermal insulating and bituminous waterproofing board and application process thereof
A new thermal insulating and bituminous waterproofing board suitable for use in the combined application process of thermal insulation and built-up roofing or waterproofing, as well as the...
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4351866 |
Flexible strip facing material and method and apparatus for cutting the material
A flexible strip facing material, formed from particles (2) of hard material bound together and secured on a perforated support (1) by means of a macromolecular binder, is adapted to be stuck by...
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4348447 |
Non-skid plastic flooring product and method of manufacture
A non-skid decorative plastic floor covering comprised of a decorative plastic base having a plurality of slip-resistant elements positioned on the base with a clear or translucent wear layer...
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4343847 |
Sealing membrane with incorporated limited-slip sheet and its method of manufacture
A carrier is coated with a suitable adhesive. That surface of the adhesive which is to be placed in contact with the support for the membrane is united with an assembly consisting of a film, and a...
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4336293 |
Anti-slip mat
An anti-slip mat is provided having a bottom surface adapted to permit the mat to lie flat on a flat surface and an opposite regularly undulated top surface characterized by having raised portions...
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4331726 |
Roofing composition and structure
A pourable roofing composition composed of chopped discrete small chunks or pieces of closed cell plastics material, such as polystyrene, polyurethane, and the like; inexpensive granular or powder...
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4318950 |
Synthetic papers and method of making the same
A laminated structure forming a synthetic paper made of a base or backing film layer made of a thermoplastic resin in a biaxially oriented state. A paper-like film layer is laminated to the base...
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4317853 |
Roofing shingle
Disclosed is a shingle having an enhanced relief effect which simulates roofing slate or roofing tile. The enhanced relief effect is provided by covering at least a portion of the underside of the...
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4299874 |
Removable pavement-marking sheet material
Removable pavement-marking sheet material incorporates a stretchable porous fibrous web, such as a nonwoven web of randomly distributed fibers, preferably embedded in a pressure-sensitive adhesive...
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4296167 |
Compositions for use in seal coats
A seal coat for use in a traffic surface is formed by reacting a first component comprising a liquid epoxy resin and a blocked polyisocyanate prepolymer with a second component comprising an...
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4289819 |
Step tread plate
The tread plate comprises a substantially flat, elongated metal portion coated on its upper side with a layer of resilient, dark-colored, plastic material through which gritty material is dispersed...
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4268564 |
Strips of metallic glasses containing embedded particulate matter
Strips of amorphous metal containing embedded particulate matter and method for making it. Strips of amorphous metal containing embedded particles of abrasive material are useful for working the...
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4265957 |
Multi-layered, fiberglass-reinforced floor covering systems
This invention discloses multi-layered, fiberglass-reinforced floor covering systems which provide such highly desired properties as chemical resistance, abrasion resistance, low-temperature...
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4242396 |
Films of thermoplastics materials having roughened surfaces
Thermoplastics films suitable for use as drafting materials comprise a filled film or a film composite having a filled layer, the fillers having a nominal particle size in the range 4 to 15 μm and...
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4239827 |
Flame-sprayed thermoplastic substrate is coated with an adhesive layer which bonds particles of an adsorbent like carbon to the substrate
The thermoplastic polymeric surface to be adhesively bonded is flame-sprayed with a material having a surface free energy which is greater than the surface free energy of the thermoplastic...
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4233353 |
High-strength built-up roofing using improved glass fiber mats
High-strength built-up roofing (BUR) membranes and systems are provided herein. These BUR products are made using improved glass fiber mat structures having unusual tear resistance in place of...
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4172168 |
Lay-flat flooring slab
A flat floor tile or slab, especially for use outdoors, comprising a bottom layer of a closed-cell soft foam having openings geometrically distributed over its area and, bonded thereto, a...
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4148955 |
Matt and scratch-resistant films and process for their manufacture
Matt films having a scratch-resistant surface are obtained from moulding compositions reinforced with glass spheres if the extruded film is stretched while still in the melt-fluid state, and then...
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4145860 |
Simulated spanish mission tile
A tile, generally used for roofing purposes, made of metal or synthetic material, has two portions, one portion has a convex upper surface and another portion has a concave upper surface. These...
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4136215 |
Process for preparing a coated, thermosetting plastic foam having improved properties
The invention disclosed is a process for the production of a cellular thermosetting foam provided on at least one surface with a reinforcing and fire resisting layer of particulate material. A...
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