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| Number | Title | Issue Date |
| 4163017 | High purity chenodeoxycholic acid and method for obtaining same Chenodeoxycholic acid melting in the range of 168°-171° C. and of such high purity as to be suitable for human therapeutic use is obtained by crystallization from acetonitrile.... | 07/31/1979 |
| 4139410 | Method of dewatering and drying in a Yankee machine A Yankee paper machine, particularly for the production of MG (machine glazed) paper and creped tissue, in which the formed paper web is sandwiched between a Yankee felt and a lower felt, pressed in a first nip between a suction roll and a dewatering roll... | 02/13/1979 |
| 4103073 | Microsubstrates and method for making micropattern devices Micropattern devices, such as electronic microcircuits, are produced by establishing on a substrate base a film of resist material, such as a polymeric film, containing dispersed therethrough a substantial proportion of an enzyme and then producing a patt... | 07/25/1978 |
| 4089834 | Water-resistant micro-capsular opacifier system and products Microcapsules having controlled structural integrity are produced by a process which involves admixing a thermosetting condensation polymer-containing oily solution and a polymer-containing aqueous solution and causing a chemical reaction between the poly... | 05/16/1978 |
| 4088242 | Thin metal foil membrane can closure having an easy-open scoreline A pull-tab can closure of a thin metal foil membrane less than 0.15 mm. thick is provided with a peripheral scoreline for easy opening. The provision of a peripheral scoreline in a thin metal foil membrane is made possible by providing a flexible portion ... | 05/09/1978 |
| 4087090 | Amusement device with vertical projectile launching and catching means An amusement device is provided with an elongated upstanding transparent tube, closed at its top and bottom, and containing a suitable projectile, advantageously a ball. A launching means in the form of a pivotal lever is provided adjacent the bottom of t... | 05/02/1978 |
| 4087581 | Opacifying super-particles Microspheric opacifying agents are provided by admixing an aqueous, partially condensed, aldehyde condensation product with an oily material containing an emulsifying agent thereby forming a water-in-oil emulsion, admixing an amphiphilic acid catalyst wit... | 05/02/1978 |
| 4087482 | Furfuryl alcohol modified polyester resins containing metal atoms There are disclosed furfuryl alcohol copolymers of a polyester prepolymer of maleic acid or anhydride and a polyhydric alcohol which incorporate tungsten and/or molybdenum metal atoms. The metal atoms are incorporated into the copolymers by reacting the p... | 05/02/1978 |
| 4084877 | Electrical connectors and terminal connecting block There is disclosed an electrical connector which comprises three adjacent fingers extending from a base. When an insulated electrical conductor is inserted between a pair of fingers, the insulation is crushed or cut making the desired contact. There is al... | 04/18/1978 |
| 4083115 | Dental saliva ejector A dental saliva ejector in which the ejector tube is equipped with a free-swivelling connector for connection to a suction conduit, the outlet end portion of the ejector tube being removably engaged in the bore of one member of the swivel connector in a r... | 04/11/1978 |
| 4083918 | Method for belling plastic pipe A method for belling the ends of thermoplastic pipes including the steps of delivering the pipes successively to an initial location adjacent conveyor means including a continuously driven endless belt, and transferring the pipes successively from the ini... | 04/11/1978 |
| 4081981 | Apparatus for producing a pipe from metal strip Apparatus for forming pipe from an elongated metal strip including a supply reel for the strip, an elongated tubular carrier, an axle at one end of the carrier for supporting the supply reel and edge-forming means for bending the edges of the strip to joi... | 04/04/1978 |
| 4080813 | Bolt lock and lockset adapter assembly A mounting plate having three knockouts for three bolt locations of a deadbolt lock is mounted behind a rectangular opening in the edge of a hollow door. A filler plate and a cover plate are provided to cover the unused ones of the knockouts. When no dead... | 03/28/1978 |
| 4078867 | Traffic marker post Marker posts, useful for delineating traffic paths, e.g., on highways, airports and parking areas, capable of being impacted and run over by vehicles at sub-zero ambient temperatures, with the post returning to its normal upright position. The posts are e... | 03/14/1978 |
| 4078317 | Flight simulator system A flight simulator having an operator console, a conventional television receiver and one or more transparencies which are overlaid on the face of the television receiver.Electronic signals, generated by circuits housed in the operator console, produce an... | 03/14/1978 |
| 4079393 | Blood typing installations A blood typing installation comprises a transparent cradle for a glass agglutination plate and a flash behind the cradle to project an image of the plate via an optical system onto a screen at the bottom of a laterally open box carried by sliding tubes mo... | 03/14/1978 |
| 4076477 | Multiple extrusion apparatus A plurality of extrusion dies are operated from the same source of heat-plastified polymeric material, e.g., from a single barrel extruder, via a distribution manifold which includes forwardly diverging flow passages each leading to a different one of the... | 02/28/1978 |
| 4075782 | Doll showing sickness, and means for "curing" A doll in which an illness symptom is created, a treatment is administered and in which the treatment removes the symptom. One symptom is a fever produced by closing a switch which heats the doll's forehead and moving a member near an orifice of the doll'... | 02/28/1978 |
| 4076251 | Amusement device incorporating simulated cheese and mice An amusement device including a simulated cheese having inlet orifices for a ball and a plurality of exit orifices some of which receive simulated mice therein, and a random distributing assembly located inside the simulated cheese for randomly directing ... | 02/28/1978 |
| 4075389 | Opaque microcapsular release sheet Opaque release sheet comprising a base having a coating comprising a primary release agent in the form of air-containing microcapsular opacifiers which may be used in combination with a minor amount of a secondary release agent, such as silicone-poly-glyc... | 02/21/1978 |
| 4074511 | Self twist yarn strand system Self-twist plural yarn strands are produced by a system wherein at least two singles yarn strands are individually twisted to form twisted strands each having longitudinally spaced nodes, and strands are brought together in a parallel relationship with th... | 02/21/1978 |
| 4073951 | Agglomeration method Method for agglomerating finely divided particulate solid materials which are capable of agglomerating by intersurface moisture for inter-particle adherence. A mass of the particulate material in a cool atmosphere in an agglomeration zone is simultaneousl... | 02/14/1978 |
| 4071269 | Flexible piping joint A flexible piping joint in the form of a fluid-tight coupling and sealing apparatus for two tubes having high pressure fluid flowing therethrough, the joint having angular, axial and rotational flexibility and comprising a metallic, resilient annular seal... | 01/31/1978 |
| 4071268 | Pressure compensated slide joint A pressure compensated slide joint for sealing first and second tubes having high pressure fluid flowing therethrough comprising a metallic, resilient sealing element extending from the first tube into an interference fit with the interior surface of the ... | 01/31/1978 |
| 4071262 | Trailer hitch apparatus with locking means A trailer hitch apparatus includes a detachable hitch frame unit mounted to a drawbar on the rear of a tractor. The hitch frame unit includes at its bottom center, a connecting pin adapted to fit into an aperture at the forward end of the trailer tongue, ... | 01/31/1978 |
| 4070949 | Hydraulic striking apparatus A striking apparatus has a body which carries a tool and which has a cylinder space, a piston structure within the space, and a sleeve-type distributor valve within the cylinder and around the piston. Flow of hydraulic fluid supplied to the body under pre... | 01/31/1978 |
| 4071494 | Compatibilization of hydroxyl-containing fillers and thermoplastic polymers Hydroxyl-containing filler reinforced thermoplastic polymers, such as polyolefins, are disclosed having improved physical properties such as impact strength, break strength and flexural modulus. The filler is compatibilized with a thermoplastic polymer co... | 01/31/1978 |
| 4069407 | Underwater cutting rod Applicant's invention relates to a new and novel concept in underwater cutting of metals and nonmetals. It utilizes a binary metallic system in conjunction with an ionized gaseous cone to provide a continuous cutting action of high temperature, extreme po... | 01/17/1978 |
| 4068360 | Press roll with bending control device A press roll having a shaft, a cylindrical shell and axially arranged support devices mounted on the shaft to exert radial forces on the shell in opposition to pressing forces to prevent shell distortion. Ducts in the shaft convey fluid under pressure to ... | 01/17/1978 |
| 4067867 | Process for preparing pyrazine precursor of methotrexate or an N-substituted derivative thereof and/or a di(lower)alkyl ester thereof There is disclosed a process for the preparation of the pyrazine precursor of methotrexate or an N-substituted derivative thereof and/or a di(lower)alkyl ester thereof having the formula: ##STR1## wherein R and R' may each be hydrogen or a lower alky... | 01/10/1978 |
| 4066275 | Ski brake A ski brake movable by a ski boot includes a U-shaped spring and lever member connected to pivot rods which extend outwardly beyond the edges of the ski. The spring member is inwardly and outwardly deformable. The bracket includes cam surfaces which defor... | 01/03/1978 |
| 4064305 | Knitted camouflage material A base fabric for a radar defeating camouflage material comprising a knitted fabric knitted from a plurality of strands to form a stretchable, flexible fabric having a plurality of openings therethrough, each of these strands constituting a spun mixture o... | 12/20/1977 |
| 4061338 | Novelty coin flipping device A novelty coin flipping device includes an upstanding tubular member, closed at the top, and having a pivotal operating lever with a coin support pad disposed adjacent the bottom. A coin is positioned within the tubular member and normally rests upon the ... | 12/06/1977 |
| 4061287 | Paper-winding units This invention relates to paper-winding units for use on teleprinters. Known teleprinter paper-winding units will not receive paper of varying widths, and it is an object of the invention to provide a unit which does not suffer from this disadvantage. Thi... | 12/06/1977 |
| 4060304 | Battery cables and process for making same An improved form of battery cable is produced through the use of a battery terminal member which has a copper tube projecting from the end thereof. The multi-strand electrically conductive cable is cut to the desired length, the end is stripped and insert... | 11/29/1977 |
| 4060243 | Combination chalk holder and cue slide There is disclosed a combination chalk holder and cue slide adapted to be worn as a ring on the player's finger. The device comprises a band adapted to encircle a finger, the band comprising a means to releasably engage a piece of chalk, means to fasten t... | 11/29/1977 |
| 4058434 | Opacified paper sheet and method for production thereof Opacifying agents, which may be coated onto or incorporated into paper sheets, consisting essentially of spherical aldehyde condensation polymeric super-particles, each having a spherical, discontinuous shell surrounding a spherical hollow core, said shel... | 11/15/1977 |
| 4056956 | Tool for determining safe lock component positions A tool for assisting in determining the locations of disc gates relative to a tailpiece in a combination lock includes a block mounted on a safe handle, a shaft extending from the block, a first pointer extending from the block along the shaft and a secon... | 11/08/1977 |
| 4056985 | Hinge structures This invention relates to hinge structures. According to the present invention there is provided a hinged structure comprising a first gear segment, a second gear segment meshing with the first gear segment, and a link pivotally connected to each gear segment,... | 11/08/1977 |
| 4057206 | Ejection sequencing system with airspeed and altitude sensing An ejection sequencing system used particularly in an ejection seat operation includes continuous sensing of both airspeed and altitude. The continuous airspeed sensing is accomplished by continuously measuring the airstream temperature and then determini... | 11/08/1977 |
