Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4125406 | Alumina-chromia-metal (IV) oxide refractory fibers having a microcrystalline phase Refractory fibers having a composition of 10-75% Al2 O3, 1-30% Cr2 O3 and 10-75% metal (IV) oxide selected from at least one of silica, titania, zirconia, and tin oxide and having at least one microcrystalline p... | 11/14/1978 |
| 4017351 | System and device for inflating and sealing air inflated cushioning material An improved system and a device for providing air inflated cushioning material which is filled and sealed at the site of its intended use, such as at a packaging line. Included is an elongate flexible layered strip material comprising two heat sealable fi... | 04/12/1977 |
| 4015612 | Film-forming polymer modified with a fluoroaliphatic radical containing compound and hair styling composition thereof Hair styling compositions which have excellent holding characteristics at elevated humidity and impart a soft hand and natural sheen to hair comprising a solution of a film-forming polymer modified with a fluoroaliphatic radical containing compound are di... | 04/05/1977 |
| 4014734 | Tube forming device A device for forming lengths of adhesive tape into tubes including a mandrel having an axis and a multiplicity of radially outwardly projecting resilient bristles having tips defining at least the major portion of a periphery around the axis in the shape ... | 03/29/1977 |
| 4013494 | Tube forming method A method for forming lengths of adhesive tape into tubes including providing a mandrel having an axis and a multiplicity of radially outwardly projecting resilient bristles having tips defining at least the major portion of a periphery around the axis in ... | 03/22/1977 |
| 4011063 | Low density abrasive utilizing isocyanurate resin An improved low-density abrasive of the type wherein abrasive granules are bonded throughout a lofty, porous, compressible, non-woven fibrous web, the fibers bonded to each other and the abrasive granules bonded to the webs by a resin or the fibers of the... | 03/08/1977 |
| 4011586 | Voice logging recorder for use with preloaded cassettes A voice actuated voice logging recorder adapted to use magnetic recording tape in preloaded magazines includes a logging deck having a transport mechanism, means responsive to an input signal corresponding to voice data for enabling the transport mechanis... | 03/08/1977 |
| 4009047 | Method and device for cleaning sheets A device for cleaning foreign material from at least one surface of a sheet including at least one low durometer sheet cleaning roller having a tacky peripheral surface. The surface of the sheet to be cleaned is biased against and moved generally tangenti... | 02/22/1977 |
| 4009072 | Strip applying device A device including two heads which may be positioned at an applying station to apply parallel lengths of elastic reflex-light reflective strip material in an unstretched condition around the circular outer surface of a tire casing rotated past the station... | 02/22/1977 |
| 4009224 | Epoxy resin powder including ethylene vinyl acetate Stable, free-flowing epoxy resin powder which fuses to and cures upon striking an object which has been preheated to the curing temperature of the composition to provide a tough protective coating. The composition of the powder differs from the prior art ... | 02/22/1977 |
| 4008962 | Color printing method Apparatus and method for making full color prints of a multicolor graphic original. The prints can be duplicates of the original or can be prints having colors for the various colors appearing in the original that have been synthesized to provide prints w... | 02/22/1977 |
| 4008350 | Visco-elastic material comprising a polymeric foam impregnated with an acrylic resin A padded stocking, suitable as footwear in conjunction with a ski boot or the like, is provided comprising a stocking having affixed to the ankle and shin region thereof a conformable layer of a visco-elastic material, such as a flexible open-cell polyure... | 02/15/1977 |
| 4007950 | Binder unit for stapled booklets A binder unit for stapled booklets is provided, having an edge member joining the front and back covers of the booklet wherein the edge member has a space in which the terminal ends of the staples are concealed. The space may be empty or it may be occupie... | 02/15/1977 |
| 4007058 | Matrix construction for fuel cells This invention pertains to a fuel cell which comprises a case, positive and negative electrodes inserted therein and electrolyte filling the inner space between the electrodes. Means for introducing an oxidizing gas into the space behind one electrode and... | 02/08/1977 |
| 4005538 | Internally illuminated retroreflective signs Internally illuminated signs incorporating light-transmissive retroreflective sheeting between the internal illumination source and the sign face in position to retroreflect light beamed against the sign face so as to make the signs retroreflective. Prefe... | 02/01/1977 |
| 4005141 | Perfluoroalkylsulfonamidoaryl compounds Phenyl-substituted perfluoroalkanesulfonanilides in which the phenyl rings are linked by sulfur, sulfinyl or sulfonyl and salts thereof in which the rings and the perfluoroalkylsulfonamido nitrogen are optionally substituted. The compounds are active herb... | 01/25/1977 |
| 4004930 | Fluid composition for forming retroreflective structures A fluid composition useful to form retroreflective structures, comprising a liquid vehicle and, dispersed in said vehicle, retroreflective platelet particles that comprise flat segments cut from a larger retroreflective sheeting.... | 01/25/1977 |
| 4004566 | Clip and indexing mechanism for a gas-operated gun A clip and indexing mechanism for a gas-operated gun which affords the visible inspection and incremental advancement and insertion of projectiles from the clip into the chamber of the gun. The clip is formed with a long narrow rectangular web across whic... | 01/25/1977 |
| 4004565 | Clip for supplying implant projectiles A clip for use with a gas-operated gun to package and supply to the gun hygienic projectiles for inoculating animals with a particular biologically active material. The clip contains a molded structure having a plurality of axially aligned adjacent cylind... | 01/25/1977 |
| 4005209 | Antiarrhythmic method utilizing fluoroalkoxy-N-piperidyl and pyridyl benzamides Certain compounds in which a carbon atom of a pyrrolidine or piperidine ring is bonded directly or through a methylene group to the nitrogen of a substituted benzamido group, and their pharmaceutically acceptable salts, are found to be active as antiarrhy... | 01/25/1977 |
| 4003941 | Process for producing polyhalocarbons oxides A process for the production of polyhalocarbon oxides not requiring the use of light is disclosed. This process involves introducing into a reaction zone perhaloolefin and ozone. The polymers obtained are substantially free of oxidizing linkages. The poly... | 01/18/1977 |
| 4003525 | Strip material unwinding device A device adapted for supporting a high inertia spool of stretchable strip material which strip material is withdrawn from the spool at varying rates by a strip applicating machine. The device includes a member which guides a length of the strip material b... | 01/18/1977 |
| 4002167 | Animal gas mask assembly A gas mask assembly for snouted animals is disclosed having a nose cap member for covering the nostrils and anterior portion of the animal's snout and having an opening therein for the attachment of a breathing tube. An abutment in the nose cap member pre... | 01/11/1977 |
| 4002661 | Perfluoroalkanesulfonate esters Perfluoroalkanesulfonate esters of methylthio-, methylsulfinyl- or methylsulfonyl-substituted phenols. The compounds are herbicides.... | 01/11/1977 |
| 4002733 | Sunscreening compositions Sunscreening compositions are disclosed which comprise a pharmaceutical extending medium having incorporated therein a substantive, dermally non-irritating, ultraviolet light absorbing compound which is a polyfunctional organic molecule containing two or ... | 01/11/1977 |
| 4002888 | Test form for use with a test scoring apparatus A test form for use with a test scoring apparatus of the type for sensing the presence of indicia in answer indication areas on the test form. The test form includes a longitudinal column of timing marks positioned in relation to the answer indication are... | 01/11/1977 |
| 4002458 | Controlled release capsules The disclosed substantially spherical capsules are particularly adapted for containing a liquid and have permeable or semi-permeable capsule walls. The capsule walls can comprise a first crystalline phase, an amorphous phase which ordinarily is intimately... | 01/11/1977 |
| 4002238 | Magnetic tape cartridge with removable spool A tape cartridge for semi-permanently housing a removable tape spool rotatably supported in the cartridge by a pair of spring biased dowels that serve as axles for the spool and are associated with and held by a pair of collars that fit in apertures in th... | 01/11/1977 |
| 4001025 | Process of sensitizing silver halide emulsions with heterocyclic sulfur compounds Silver halide crystals in photographic emulsions are sensitized by the addition of compounds to the emulsion which will form silver sulphide with the silver halide crystals at a fast reaction rate v, where v = k. [concentration of the sensitizer compound ... | 01/04/1977 |
| 4001022 | Photographic materials comprising developer layers and binders comprising silica sol A rapid drying photographic element suitable for rapid processing by the stabilization process is provided. The element comprises a support bearing (1) an acidic developer layer and (2) a basic gelatino-silver halide emulsion layer, both layers containing... | 01/04/1977 |
| 4000824 | Tape closures For wine bottles and similar containers, an improved heat-shrunk film tape secondary closure of the type employing a tear strip to facilitate opening. The film is formed of certain acrylonitrile:methylacrylate or butadiene:styrene copolymers, which confor... | 01/04/1977 |
| 4001243 | Substituted benzo(ij)quinolizine-2-carboxylic acids and derivatives thereof Certain substituted 6,7-dihydro-1-oxo-1H,5H-benzo[ij]-quinolizine-2-carboxylic acids and hydrazides, esters, amides and salts thereof, intermediates therefor, and a process for their preparation are described; the compounds are active as anti-microbi... | 01/04/1977 |
| 4001072 | Applicator for pressure-sensitive adhesive fasteners An apparatus and method for applying folded lengths of pressure-sensitive adhesive tape to articles with one-half of the adhesive surface of the tape length secured to an article and a liner secured to the other half of the adhesive surface. The adhesive ... | 01/04/1977 |
| 4000341 | Autoclavable, corrugated, respiratory care tubing Autoclavable, corrugated, respiratory care tubing comprising thermoplastic material which is aliphatic olefin polymer, aromatic olefin block polymer or mixtures thereof, the material being hydrolytically stable, having a flexular modulus according to A.S.... | 12/28/1976 |
| 3999286 | Method of making multitrack heads A multitrack recording head having a pair of ferrite combs whose teeth are separated at their tips by nonmagnetic gap spacers and whose bases are in abutting relationship. Each tooth of one comb has a wire coil for electrically transmitting signals to or ... | 12/28/1976 |
| 4000062 | Magnetic particle separator A separator for separating small permanent magnetic particles from larger objects comprising a non-magnetic perforated basket within a non-magnetic solid wall container, both within a generally vertical rotating magnetic field. The basket supports the mix... | 12/28/1976 |
| 3999069 | Pyroelectric temperature compensated sensing device employing differential amplifier A temperature compensated sensing device for sensing a particular condition includes first and second conductive layers in surface-to-surface contact with and separated by a layer of poled, pyroelectric material. In a preferred embodiment, the second cond... | 12/21/1976 |
| 3998871 | Sulfonated isocyanate compositions Chain-extendible, sulfonated isocyanate-terminated polyurethane-type prepolymers are obtained by treating the prepolymers with a strong sulfonating agent selected from H2 SO4, SO3, CISO3 H, and mixtures thereof.... | 12/21/1976 |
| 3998870 | Sulfonated aromatic polyisocyanates and preparation of stable anionic polyurethane or polyurea latices therefor Self-emulsified polyurethane or polyurethane-polyurea or polyurea latices formed by reacting an aromatic polyisocyanate such as a polyurethane prepolymer with a strong sulfonating agent selected from H2 SO4, SO3, ClSO... | 12/21/1976 |
| 3998763 | Curable epoxy composition Epoxy resin is mixed with a salt of bis(fluoroalkylsulfonyl)methane or fluoroalkylsulfonic acid as a latent catalyst, phosphorus pentoxide, and a base (which acts as an acid scavenger for phosphoric acids resulting from hydration of the phosphorus pentoxi... | 12/21/1976 |
