Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4805876 | Surgical staple remover A surgical staple remover comprises first and second handle elements pivotally connected to each other. The front portion of the first handle element terminates in a pair of outwardly extending anvil sections having outside surfaces that diverge away from... | 02/21/1989 |
| 4782900 | Aminoalkylated polyacrylamide aldehyde gels, their preparation and use in oil recovery Aqueous gel-forming compositions useful for improving oil recovery from subterranean hydrocarbon-containing reservoirs are prepared by reacting an aminoalkylated polyacrylamide with an aldehyde, dialdehyde or derivative thereof in aqueous medium. These co... | 11/08/1988 |
| 4781293 | One step dressing delivery system A dressing delivery system comprising an adhesive-coated dressing, a release liner and a package are arranged such that the package acts as the means for applying the dressing to a skin area, with the opening of the package and the application of the dres... | 11/01/1988 |
| 4753679 | Cement products containing surface treated inorganic particulates Particulate calcium carbonate or iron oxide pretreated with a fatty acid such as stearic acid or oleic acid is added to a cementitious product to improve its strength and resistance to water absorption and penetration. Dry, aqueous and nonaqueous methods ... | 06/28/1988 |
| 4714603 | Spherically shaped precipitated calcium carbonate, its preparation and use A precipitated calcite of substantially spherical morphology having an average spherical diameter of from 2 to 10 microns and a specific surface area of from 1 to 15 square meters per gram is prepared by introducing carbon dioxide gas into an aqueous slur... | 12/22/1987 |
| 4710537 | Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid Substantially homogeneous acrylate/maleate copolymers of number average molecular weight of 500 to 5000 are prepared by copolymerizing 35 to 65 mole percent acrylic or methacrylic acid with 65 to 35 mole percent maleic anhydride at 80° to 150° C. in the... | 12/01/1987 |
| 4705261 | Wire injection nozzle An injection nozzle for the addition of an agent in wire form directly into the interior of a molten material includes a tip having an axial bore with a terminal opening through which the wire exits the nozzle, the terminal opening having a cross section ... | 11/10/1987 |
| 4666450 | Acetabular cup assembly prosthesis An acetabular cup assembly prosthesis comprises the combination of a support shell for introduction into an acetabulum and a socket insert in nesting engagement within the shell. The shell has a generally hemispherical outer surface and a downwardly exten... | 05/19/1987 |
| 4650491 | Locking mechanism for prosthesis components A socket insert component of an acetabular cup prosthesis is held securely within its support shell by a locking mechanism comprising a circumferential groove in the shell concavity perpendicular to the longitudinal axis of the concavity, a first circumfe... | 03/17/1987 |
| 4647416 | Method of preparing a vascular graft prosthesis A ribbed, porous tube suitable for use as a vascular graft prosthesis is prepared by scoring a stretched or unstretched tube of PTFE, stretching the tube at 200°-320° C. to develop the desired porosity, and heat setting the scored, stretched tube at 327... | 03/03/1987 |
| 4621630 | Guide for femoral neck osteotomy A guide for femoral neck osteotomy comprises a longitudinal rod having attaching structure at the lower end thereof for securing the rod to a femur at the greater trochanter. A transversely extending support arm is secured to the rod adjacent the lower en... | 11/11/1986 |
| 4611588 | Laser beam resistant material A shielding material for use in such as endotracheal tubes during laser beam surgery comprising a dispersion of particulate graphite in a polymer matrix.... | 09/16/1986 |
| 4589883 | Femoral hip prosthesis A femoral hip prosthesis comprises a stem component generally divided into a proximal portion and a substantially longer distal portion. The stem has a slight posterior bow along its length. The proximal portion includes a slight twist of from about 5° t... | 05/20/1986 |
| 4583270 | Rasp handle A rasp handle has an elongate body portion with a pistol-type grip extending therefrom and rasp retaining structure at its front end. Such structure includes a fixed jaw and a slide jaw constructed and arranged for sliding movement relative to the fixed j... | 04/22/1986 |
| 4552136 | Femoral rasp A femoral rasp for preparing an intramedullary canal for receiving the stem of a femoral hip prosthesis comprises a body section generally divided into a wide proximal portion and a substantially longer narrow distal portion. The body section has a shape ... | 11/12/1985 |
| 4547559 | Acrylate/maleate copolymers, their preparation and use as antiscalants Substantially homogeneous acrylate/maleate copolymers of number average molecular weight of 500 to 5000 are prepared by copolymerizing 35 to 65 mole percent acrylic or methacrylic acid with 65 to 35 mole percent maleic anhydride at 80° to 150° C. in the... | 10/15/1985 |
| 4532925 | Ligator device A ligator device has handles which are linked to a center slide to make the same move rearwardly when the handles are squeezed together. A pair of jaws surround the front of the slide top and bottom and are connected to it so as to open when the handles a... | 08/06/1985 |
| 4533709 | Use of fumaric acid polymers as antiscalants Fumaric acid polymers may be used to control or inhibit scaling in boilers, desalination plants, steam generators, cooling equipment and the like. A novel process for their synthesis employs a mono or dialkyl ester of fumaric acid as a starting material.... | 08/06/1985 |
| 4528980 | Acetabulum sizer and drill guide An acetabulum sizer and drill guide for use in implanting an acetabular cup prosthesis comprises a substantially hemispherical shell having an outside surface that generally conforms to the outside surface of the prosthesis to be fitted into a prepared ac... | 07/16/1985 |
| 4515348 | Skin staple extractor A manually operable surgical staple extractor has a first handle element provided with a finger-receiving ring end and a second handle element also provided with a finger-receiving ring end. A first and second front portion of the extractor contain a slot... | 05/07/1985 |
| 4513739 | Wound dressing An external wound dressing comprising a first layer of backing sheet material coated on one face with biocompatible adhesive; a second layer of protective sheet material covering the first layer in releasable contact with the adhesive, the second layer ha... | 04/30/1985 |
| 4486581 | Use of fumaric acid polymers as antiscalants Pumaric acid polymers may be used to control or inhibit scaling in boilers, desalination plants, steam generators, cooling equipment and the like. A novel process for their synthesis employs a mono or dialkyl ester of fumaric acid as a starting material.... | 12/04/1984 |
| 4485227 | Biocompatible poly-(ether-urethane-urea) and process for its preparation An improved biocompatible and hemocompatible segmented poly-(ether-urethane-urea) is prepared by a process which comprises condensing an alkylene polyether diol of molecular weight of 500 to 6000 with substantially two equivalents of an aryl, aralkyl, or ... | 11/27/1984 |
| 4485223 | (Meth)acrylic acid/itaconic acid copolymers, their preparation and use as antiscalants Substantially homogeneous (meth)acrylic acid/itaconic acid copolymers of number average molecular weight of 500 to 7000 are prepared by copolymerizing in aqueous solution 5 to 90 mole percent acrylic or methacrylic acid monomer with 95 to 10 mole percent ... | 11/27/1984 |
| 4458753 | Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature with borohydride A method of tertiary oil recovery from petroleum-containing formations at elevated temperature comprises injecting a substantially oxygen-free aqueous saline solution of water-soluble polysaccharide biopolymer treated at pH of at least 5 by the addition o... | 07/10/1984 |
| 4451293 | Slag-forming agent and process for producing the agent A slag-forming agent comprising an aggregate of particulate material having a maximum diameter of 3.0 millimeters and containing at least 15 weight percent magnesium oxide, the aggregate being coated with from 5 to 20 weight percent cement, and a process ... | 05/29/1984 |
| 4449929 | Denture alignment kit A transparent occlusal guide and a wedge-shaped cusp ridge locator are used in transferring the crest line of the lower record base to establish a precise line for the setting of the lingual cusps of the upper posterior teeth during the setup stage of ful... | 05/22/1984 |
| 4450136 | Calcium/aluminum alloys and process for their preparation A substantially homogeneous calcium/aluminum alloy having a calcium/aluminum atomic ratio of from about 60/40 to 80/20 and with useful and unexpected properties of brittleness, passivity to atmospheric moisture and low volatility is prepared by a process ... | 05/22/1984 |
| 4417065 | Process for the preparation of isosorbide 2-nitrate A process for the preparation of isosorbide-2-nitrate of the formula ##STR1## comprising contacting isosorbide with a carboxylic acid anhydride in the presence of a metal salt; esterifying the resultant isosorbide-5-acylate with nitric acid; and conv... | 11/22/1983 |
| 4412762 | Pneumatic unloading of particulates A substantially continuous flow is attained in the unloading of a bulk particulate from a storage hopper by monitoring the pressure differential between the hopper and a point in the discharge line downstream of the hopper outlet. The pressure differentia... | 11/01/1983 |
| 4408603 | Surgical device A surgical clip applicator includes a forceps and a detachable cartridge containing a string of clips which are fed seriatim between the anvils of the forceps jaws.... | 10/11/1983 |
| 4406798 | Surfactant enhanced injectivity of xanthan mobility control solutions for tertiary oil recovery An aqueous mobility control solution for tertiary oil recovery from saline oil fields comprises from about 200 to 2000 ppm xanthan biopolymer in the form of clean, unreconstituted fermentation broth and from about 20 to 200 ppm of a selected water-soluble... | 09/27/1983 |
| 4390670 | Acrylate/maleate copolymers, their preparation and use as antiscalants Substantially homogeneous acrylate/maleate copolymers of number average molecular weight of 500 to 5000 are prepared by copolymerizing 35 to 65 mole percent acrylic or methacrylic acid with 65 to 35 mole percent maleic anhydride at 80° to 150° C. in the... | 06/28/1983 |
| 4373970 | Copper base spinodal alloy strip and process for its preparation Copper base spinodal alloy strip of good strength and ductility is provided, the alloy containing 5 to 35 percent nickel, 7 to 13 percent tin, balance essentially copper, and having an unaged microstructure characterized by an equiaxed grain structure of ... | 02/15/1983 |
| 4371703 | Process for the production of isosorbide-5-nitrate This invention relates to a process for the production of isosorbide-5-nitrate comprising (a) subjecting an acylation mixture of isosorbide containing varying proportions of isosorbide, isosorbide-2-acylate, isosorbide-5-acylate and/or isosorbide-2,5-diac... | 02/01/1983 |
| 4368330 | Derivatives of L-ascorbic acid and D-erythorbic acid 5,6-Anhydro-L-ascorbic acid, 5,6-anhydro-D-erythorbic acid and salts thereof are disclosed. Such compounds are useful intermediates in the preparation of 6-deoxy-6-substituted-L-ascorbic acid and 6-deoxy-6-substituted-D-erythorbic acid, which are useful a... | 01/11/1983 |
| 4367211 | Plasma arc process for the reduction of sulfur dioxide to sulfur A continuous process for the reduction of sulfur dioxide to sulfur in which a gas stream containing sulfur dioxide is contacted with a carbon source in the form of particulate coal at a temperature of at least 600° C. in a plasma arc reaction zone genera... | 01/04/1983 |
| 4367207 | Process for the preparation of finely divided precipitated calcium carbonate A process for the preparation of finely divided precipitated calcite in which carbon dioxide is introduced into an aqueous calcium hydroxide slurry containing anionic organopolyphosphonate polyelectrolyte with the carbonation started at a temperature abov... | 01/04/1983 |
| 4366134 | Flue gas desulfurization process A regenerative process for the desulfurization of gas containing from about 100 ppm to about 30 volume percent sulfur dioxide in which the gas is contacted at from about 15° to 80° C. with an about 0.1 molar to saturated aqueous solution of potassium ci... | 12/28/1982 |
| 4309222 | Kaolin clay slurries of reduced viscosity Aqueous refined kaolin clay slurries of reduced low shear viscosity are prepared by dispersing the clay under controlled pH conditions in water containing a combination of water-soluble citrate and water-soluble polyacrylate within a specified range of co... | 01/05/1982 |
