U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 524/451 - Talc (soapstone) DNRM


Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the inorganic silicon material is
No. of patents: 1145
Last issue date: 04/10/2012


                    29  
NumberTitleIssue Date
4041009Process for producing anti-blocking and low pressure moldable diallyl phthalate resin molding materials
A diallyl phthalate resin prepolymer is milled at a temperature of 40° to 100° C together with reinforcing glass fiber and at least one finely divided inorganic filler in the presence of t-butylperoxy 2-ethylhexanoate and at least one other organic pero...
08/09/1977
4020126Polyethylene terephthalate/terpolymer blends; films, sheets, and articles made using such blends; and method of making trays using such sheets
Blends are provided including: 99 to 95% polyethylene terephthalate and 1 to 5% of a terpolymer of at least 65% ethylene with (a) at least 5% by weight of a vinyl ester of a lower (1-6 carbon) saturated monobasic aliphatic carboxylic acid and (b) 0.5 to 10% by...
04/26/1977
4020039Vulcanizable elastomeric compositions
Improved vulcanizable elastomeric compositions are provided which contain a vulcanization co-agent, the improvements being found in, separately or in combination, the scorch time and compression set and in the stress-strain and aging properties of the vul...
04/26/1977
3996176Method of manufacturing shaped members of synthetic thermoplastic materials free of softeners
Method of manufacturing shaped articles of synthetic thermoplastic materials free of any softener includes intimately mixing a synthetic thermoplastic material free of softener and having the property of being flexible at room temperature after it has bee...
12/07/1976
3993718Method of manufacturing an artificial paper
The present invention relates to a process and a composition for the manufacture of an artificial paper requiring neither calendering nor biorientation, the paper obtained having in addition to the characteristics proper to cellulose paper, improved physi...
11/23/1976
3991020Expandable thermoplastic polymeric compositions based on styrene polymers
Expandable thermoplastic polymeric compositions based on styrene polymers and copolymers in the form of fine particles are disclosed. The particulate compositions essentially consist of (a) styrene polymers containing one or more expanding agents; (b) a p...
11/09/1976
3988287Polyamide compositions
A polyamide composition comprising a polyamide, an inorganic filler, a compound containing an unsaturated double bond and an epoxy group in one molecule and an unsaturated organic silane. Preferably, said compound having an unsaturated double bond and an ...
10/26/1976
3983093Novel polyetherimides
This invention is concerned with a new class of polyetherimides. More particularly, the invention is concerned with polyetherimides derived from the reaction of an organic diamine, a bisphenol dianhydride and a dianhydride selected from the class consisti...
09/28/1976
3983070Polymeric adhesive
This invention relates to adhesives which are particularly useful in bonding polymeric materials used in the encapsulation and termination of insulated electrical conductors. The adhesive comprises a polar copolymer of an ଱-olefin, said copolymer pr...
09/28/1976
3976608Filled thermoplastic
A filled thermoplastic composition is produced by first preparing a masterbatch of an impact polystyrene, a rubber, an oil and a filler and by secondly mixing the masterbatch with a polystyrene composition. The filled thermoplastic composition has accepta...
08/24/1976
3976563Dry reclamation of wire scrap
A method for recovering plastic from plastic insulated wire scrap involving separating the plastic from short segments of the wire by agitating the segments in a heated dry powder medium until the metal is released from the plastic insulation, separating ...
08/24/1976
3976618Molding made of hydrolyzed ethylene-vinyl acetate copolymer
Molding, having an improved heat deflection property, comprising 95 to 50 % by weight of hydrolyzed ethylene-vinyl acetate copolymer and 5 to 50 % by weight of talc. Dispersion of larger amount of talc in molding composition is improved by incorporating 2...
08/24/1976
3969328Copolymers of vinyl chloride and 2-hydroxypropyl-alkyl maleate
Copolymers of vinyl chloride and 2-hydroxypropyl-alkyl maleate and/or fumarate consisting of a copolymer with from 65% to 95% by weight of vinyl chloride monomer units and from 5% to 35% by weight of 2-hydroxypropyl-alkyl maleate and/or fumarate monomer u...
07/13/1976
3969327Thermosetting acrylic powders
Telechelic or semi-telechelic polymers, the average composition of which has the (Y)y formula wherein V is a hydrogen atom or Z, X is the radical originating from an ethylenically monomer carrying a polymerizable >C = C< group and at least one other...
07/13/1976
3969314Production of plastic-filler mixtures
In the formation of mixtures of plastic and fillers, the stability of the mixture is improved by preliminarily intensively predrying the fillers and then mixing the plastic and fillers together while maintaining the mixture completely free of moisture....
07/13/1976
3963511Modification of mineral surfaces
A method of modifying the surface properties of particulate mineral materials by forming on the surface of the particles a coating having a significant number of acidic sites with pKa values of less than 2.8....
06/15/1976
3959210Acrylate adhesive composition
An adhesive composition containing unsaturated polyesters or acrylates dissolved in organic solvents which include unsaturated carbon-to-carbon bonds; polymerizing agents, i.e., polymerization initiators or catalysts; a product of interaction of allyl alc...
05/25/1976
3953389Preparation of powdered rubbers
Process for the preparation of a free-flowing powdered rubber by treating a rubber with an aqueous dispersion of an anti-tack agent and suspending the rubber in powdered form in a stream of gas (e.g. air), removing at least part of the water and subsequen...
04/27/1976
3951906Reinforced styrene-acrylonitrile polymers
A composition comprising thermoplastic copolymers of styrene or substituted styrene with acrylonitrile or substituted acrylonitriles or acrylonitrile-butadiene-styrene polymers in admixture with a combination of a discontinuous glass fiber and a particula...
04/20/1976
3950304Curable composition used for an electrical insulating material
A curable composition used for electric insulating material comprises a polyhydroxy hydrocarbon polymer, carbon black and talc or clay....
04/13/1976
3947286Pigmented asbestos coating systems
Premium latex paints are disclosed exhibiting superior opacity and brightness characteristics, including dispersed and liberated short chrysotile asbestos fibers having anionic pigment particles electrostatically attached at discrete points along the leng...
03/30/1976
3940355Composition and method for imparting fire resistance and water repellency to fabric
A coating composition useful for imparting fire resistance and water-repellency to fabric comprises between about 5% and about 23% by weight of a liquid chlorinated paraffin, between about 20% and about 40% by weight of a resinous chlorinated paraffin, be...
02/24/1976
3933762Hot melt adhesives from lactam copolyamides
Hot-melt adhesives for fibers consisting essentially of copolyamides obtained by polymerizing four monomer units, namely, &3xb5;-caprolactam, hexamethylenediammonium adipate, hexamethylenediammonium sebacate, and laurolactam in specific proportions....
01/20/1976
3933666Insulation material
An insulation material which comprises: A. a major amount of 1,2-polybutadiene; B. from 10 to 150 parts by weight of a styrene or styrene derivative per 100 parts by weight of 1,2-polybutadiene; C. from 15 to 150 parts by weight of 2,4,6-tribromophenylacrylate per ...
01/20/1976
                    29  
 
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