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| Number | Title | Issue Date |
| 6083891 | Water-based sweeping compound An oil-free, water-based sweeping compound containing sawdust, sand, and water has enhanced performance when an effective amount of a super-absorbent polymer, especially a cellulose/acrylate polymer, is incorporated. The resultant product is comparatively... | 07/04/2000 |
| 5996584 | Sealing strip for ear plugs and the like A composite reusable sound attenuating or transmitting device, especially an ear plug, is formed from a core, about which is adhered a strip of slow recovery foam. After each use of the device, the strip of foam is generally removed and discarded; typical... | 12/07/1999 |
| 5920636 | Disposable foam sleeve for sound control device and container therefor An improved sleeve for mounting on the distal portion of a hearing aid or other sound control device to provide circumferential contact to the ear canal of a person into which the device is inserted. A currently preferred embodiment of the sleeve comprise... | 07/06/1999 |
| 5682020 | Sealing of hearing aid to ear canal A device for providing a seal between a sound-blocking or sound-transmitting device, especially an "in the ear" hearing aid, and the ear canal into which it is inserted. This device comprises a layer of polymeric foam, especially retarded recovery foam, t... | 10/28/1997 |
| 5643188 | Liner-protected adhesive strip A strip of adhesive-coated sheet material is made easier to apply, even with one hand, if one end of the strip is mounted on a sheet release liner and the other end is mounted on one wing of a folded release liner.... | 07/01/1997 |
| 5509577 | Fluid storage and dispensing system A medium-sized portable container for holding and dispensing such fluids as aircraft engine oil is formed from durable, corrosion-resistant polymeric material such as high density polyethylene. The container, which has a generally rectangularly parallelep... | 04/23/1996 |
| 5494191 | Fluid containing and dispensing system A container and dispenser for fluids, especially hydraulic and engine oil fluids for aircraft. The container, which is preferably made of a recyclable polymer such as high density polyethylene, is rectangularly parallepipedal, with a crowned top to minimi... | 02/27/1996 |
| 5401920 | Cerumen filter for hearing aids A readily installed and replaced disposable wax guard that is affixed over the sound outlet port of an "in the ear" hearing aid and adhered to the adjacent sides of the aid. The portion that overlies the sound outlet port is porous to sound and receptive ... | 03/28/1995 |
| 5340508 | Aeration system and method An improved air transport hose for use in aeration systems for rejuvenating eutrophic bodies of water, said hose having low internal friction, sufficient weight to remain submerged, and resistance to mechanical damage comprising a polymeric tube encased i... | 08/23/1994 |
| 5286399 | Floor sweeping composition Floor sweeping compound of the type conventionally containing sawdust, sand, and petroleum oil is modified by substituting, for the petroleum oil, inexpensive acid oils (or their salts) obtained as byproducts during the process of refining plant-derived o... | 02/15/1994 |
| 5271878 | Insulating half-log panel A simulated half log having a generally semi-cylindrical foam core and a decorative layer on the curved surface. Complementary nailable splines are inset in the flat surface, permitting adjacent half logs to interlock. One spline, which extends beyond the... | 12/21/1993 |
| 5242448 | Bone probe An orthopedic bone probing device to locate cavities, holes, and crevices in bones. For instance, where holes are drilled in bones to accommodate fastening devices it is important to ascertain if there are any sites where the drilling penetrated the entir... | 09/07/1993 |
| 5166622 | Method of locating fresh water springs in the oceans and supplying the fresh water to land for use Fresh water springs in the ocean floor are located by moving an electrical conductivity probe along the floor until a minimum conductivity value is measured. Water from the spring may then be piped to an adjacent land mass in need of water.... | 11/24/1992 |
| 5046339 | Protective cover for key safe A lock box, or key safe, is provided with a light weight, flexible, shock-absorbing jacket to minimize or eliminate marking, denting, or other damage caused by the box's inadvertently contacting areas adjacent to where it is mounted. The presently preferr... | 09/10/1991 |
| 4855170 | Pressure-sensitive tape construction incorporating resilient polymeric microspheres Tape products for diverse end users are obtained by applying to a sheet backing a layer of normally tacky and pressure-sensitive adhesive (PSA) containing and completely surrounding resilient non-tacky hollow thermoplastic polymeric microspheres. When the... | 08/08/1989 |
| 4844979 | Shaped polymeric articles having improved receptivity to organic coatings The receptivity of shaped polymer articles (e.g., self-supporting films of polypropylene) to subsequently applied organic coatings is enhanced by exposure to an electrical discharge in the presence of a chlorocarbon or chlorofluorocarbon gas, thereby prov... | 07/04/1989 |
| 4828871 | Method of providing shaped polymeric articles with improved receptivity to organic coatings The receptivity of shaped polymer articles (e.g., self-supporting films of polypropylene) to subsequently applied organic coatings is enhanced by exposure to an electrical discharge in the presence of a chlorocarbon or chlorofluorocarbon gas, thereby prov... | 05/09/1989 |
| 4824879 | Low shrinkage tape joint composition containing attapulgite The shrinkage of tape joint compounds, which normally comprise water, filler, and binding resin, is significantly reduced by minimizing the amount of water-absorbing materials such as attapulgite and hydroxyethyl cellulose. Comparable improvements can be ... | 04/25/1989 |
| 4781957 | Easy tear masking tape Film-backed pressure-sensitive adhesive tape that resembles conventional creped paper-backed masking tape but can be torn cleanly with the fingers, is prepared by extruding an isotactic polypropylene film, passing it through the nip between a rubber roll ... | 11/01/1988 |
| 4780491 | Microbubble-filled article The invention primarily concerns a pressure-sensitive adhesive tape, the adhesive layer of which is filled with glass microbubbles and has a dark appearance by virtue of (1) the microbubbles are stained glass which preferably is dark, and (2) dispersed th... | 10/25/1988 |
| 4777084 | Phenolic-modified epoxy adhesive including the reaction product of bisphenol A and the monoglycidyl ether of bisphenol A Viscous oligomeric epoxy resins can be quickly cured at temperatures of 100° C. by incorporating a hardener that is a blend of (a) the oligomeric reaction product of bisphenol A and bisphenol A monoglycidyl ether and (b) an imidazole. The cured resins ar... | 10/11/1988 |
| 4773594 | Controlled pattern wobbling sprinkler A wobbling water distributor head mounted at the end of an angularly disposed tubular water-transporting arm. The base of the distributor head is mounted loosely between spaced shoulders. The wobbling motion of the head causes the distributor arm to trave... | 09/27/1988 |
| 4767726 | Glass microbubbles Glass microbubbles having, on a weight basis, a composition consisting essentially of 70-80% SiO2, 8-15% CaO, 3-8% Na2 O, and 2-6% B2 O3, and about 0.2-1.5% SO3 and having a CaO:Na2 O ratio... | 08/30/1988 |
| 4767653 | Spliceable sheet material Heat-sealable sheet material for use in the fabrication of lapped-seam membrane. In a presently preferred construction, linear low density polyethylene film is adhered to one lateral border of cured polymerized EPDM composition; preferably the adhesive is... | 08/30/1988 |
| 4760967 | Mulcher-chopper A mulcher-chopper of the type in which a horizontally disposed blade is mounted on a driven vertical shaft within a comminuting chamber. The blade is provided with deep and sharp serrations, thereby increasing the effective blade length and enhancing effi... | 08/02/1988 |
| 4737163 | Coated abrasive product incorporating selective mineral substitution Replacement of all or most of the coarse mineral in a coated abrasive product by a superior (and typically more expensive) mineral improves abrading performance significantly more than would be predicted. In some cases the performance is superior to that ... | 04/12/1988 |
| 4734104 | Coated abrasive product incorporating selective mineral substitution Replacement of all or most of the coarse mineral in a coated abrasive product by a superior (and typically more expensive) mineral improves abrading performance significantly more than would be predicted. In some cases the performance is superior to that ... | 03/29/1988 |
| 4732635 | Method of making spliceable sheet material Heat-sealable sheet material for use in the fabrication of lapped-seam membranes. In a presently preferred construction, linear low density polyethylene film is adhered to one lateral border of cured polymerized EPDM composition; preferably the adhesive i... | 03/22/1988 |
| 4729687 | Imaging device Improved imaging device for applying temporary indicia to substrate of the type having a base covered with a relatively light color, opaque, open cell microvoid-containing layer that is rendered translucent when the microvoids are filled with a liquid hav... | 03/08/1988 |
| 4666771 | Microbubble-filled article such as a pressure-sensitive adhesive tape The invention primarily concerns a pressure-sensitive adhesive tape, the adhesive layer of which is filled with glass microbubbles and has a dark appearance by virtue of (1) the microbubbles are stained glass which preferably is dark, and (2) dispersed th... | 05/19/1987 |
| 4654081 | Nonsmearing correction fluid Improved correction fluid for obscuring indicia on sheet material. Such fluid, which normally comprises a solution of pigmented thermoplastic resin, is rendered capable of obscuring typed, xerographically copied, or written ink indicia by using a solvent ... | 03/31/1987 |
| 4652491 | Pressure-sensitive adhesive and tape made therewith Pressure-sensitive adhesive capable of functioning as an adhesive for diaper closure tape, comprising a blend of specified portions of styrene:butadiene AB block copolymer, random SBR and/or milled natural rubber, and rosin ester tackifier of the type cap... | 03/24/1987 |
| 4645714 | Corrosion-resistant silver mirror Durable, specularly reflective mirrors for solar reflectors or fluorescent lamp fixtures are formed by vapor-depositing silver on a polyester film and protectively covering it with a coating of transparent acrylate polymer containing a silver corrosion in... | 02/24/1987 |
| 4645711 | Removable pressure-sensitive adhesive tape The pressure-sensitive adhesive layer of the novel tape, like that of Silver U.S. Pat. No. 3,922,464, comprises a copolymer of alkyl acrylate such as isooctyl acrylate and a small amount of emulsifier monomer. The novel tape differs from that of Silver by... | 02/24/1987 |
| 4640859 | Inelastic, heat-elasticizable sheet material for diapers Flat, inelastic, dimensionally stable sheet material is formed by stretching parallel elastomeric strands to several times their relaxed length and then bonding them to one or more flat, inelastic webs with inelastic thermoplastic polymer. When the sheet ... | 02/03/1987 |
| 4629663 | Removable pressure-sensitive adhesive tape The adhesive layer of the novel pressure-sensitive adhesive tape comprises a polymer of a terminally unsaturated vinyl monomer such as isooctyl acrylate and an emulsifier monomer such as sodium styrene sulfonate. Preferably, the adhesive layer also contai... | 12/16/1986 |
| 4629751 | Gel-resistant bubble-filled wall repair compound Gel-resistant composition especially suited for filling, patching or repairing plaster, gypsum board panels and the like comprising a blend of glass microbubbles containing borate, high molecular weight polyhydroxy compound such as polyvinyl alcohol funct... | 12/16/1986 |
| 4618525 | Coated glass microbubbles and article incorporating them The invention concerns glass microbubbles having an inorganic thin-film coating not exceeding about 10 nm in thickness, especially a coating of a metal, a metalloid, or an alloy thereof. When dispersed throughout a matrix such as a polymer, the coated gla... | 10/21/1986 |
| 4612242 | Pressure-sensitive adhesive tape containing coated glass microbubbles The invention primarily concerns a pressure-sensitive adhesive tape, the adhesive layer of which is filled with glass microbubbles and has a dark appearance by virtue of the microbubbles having a thin-film coating having an average thickness from 0.05 to ... | 09/16/1986 |
| 4569960 | Water-dispersible pressure-sensitive adhesive and tape made therewith Repulpable splicing tape, especially adapted for splicing carbonless paper. The preferred adhesive is a blend of acrylate:acrylic acid copolymer, NaOH and/or LiOH, KOH, and certain ethoxylated plasticizing components. A small amount of polyamide-epichloro... | 02/11/1986 |
