Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 4943364 | Fiber optic CO2 sensor A fiber-optic probe for measuring the partial pressure of CO2 in a medium includes a single optical fiber having a distal end; a mirror; a hydrolyzed dye/gel polymer, the dye being in contact with a bicarbonate solution; a solution permeable me... | 07/24/1990 |
| 4943618 | Method for preparing polyacrylonitrile copolymers by heterogeneous reaction of polyacrylonitrile aquagel A method is disclosed for preparing polyacrylonitrile copolymers by Heterogeneous reaction of polyacrylonitrile aquagel. Generally, the method includes the steps of preparing a solution of polyacrylonitrile by dissolving the polyacrylonitrile in a water-m... | 07/24/1990 |
| 4933394 | Modified electrically conductive polymers A material that includes an organic polymer capable of being rendered electrically conductive by electrochemical oxidation or reduction, and a redox compound ionically or covalently bonded to the polymer. The redox potential of the redox compound is more ... | 06/12/1990 |
| 4918146 | Surface modification of polycyclic cycloolefin polymers It has been found that the properties of polycyclic cycloolefins, in particular poly(dicyclopentadiene), can be substantially improved by halogenation of the surface. Both aqueous and gaseous treatments of the polymer have been found to significantly impr... | 04/17/1990 |
| 4910260 | Vulcanizable fluororubber composition A vulcanizable fluororubber composition which comprises: (a) a fluorine-containing elastomeric copolymer of vinylidene fluoride with at least one other ethylenically unsaturated monomer copolymerizable therewith; (b) an organic peroxide; (c) a polyfunctional c... | 03/20/1990 |
| 4910263 | Oil additives containing a thiocarbamyl moiety An oil-soluble additive for lubricating oil applications is provided by the formation of an adduct of thiocyanogen halide and polyalkene, removal of the hydrogen halide from said adduct and thermal rearrangement of the product to provide a polyalkenyl iso... | 03/20/1990 |
| 4908405 | Graft copolymers of crosslinked polymers and polyoxyethylene, processes for their production, and their usage The invention relates to graft copolymers of crosslinked polymers and linear polyoxyethylene, processes for their production, and their use as a substrate for peptide or nucleotide synthesis or for the covalent fixation of peptides, active protein compoun... | 03/13/1990 |
| 4908415 | Method of converting fluorine-containing polymer into lower molecular weight polymer A fluoropolymer, e.g. polytetrafluoroethylene, is easily and efficiently converted into a lower molecular weight polymer in the form of a fine powder by subjecting the fluoropolymer to contact reaction with a gas comprising molecular fluorine or a suitabl... | 03/13/1990 |
| 4906704 | Functionalized olefinic polymers, and method of manufacturing the same A method of functionalizing a thermoplastically processible olefinic polymer, comprising the step of: reacting in a melt, an olefinic polymer with a functionalizing agent having the formula ##STR1## wherein X1 and X2 are, indep... | 03/06/1990 |
| 4906692 | Self-crosslinking cationic paint binders and process for producing the binders Self-crosslinking cationic paint binders in which the crosslinking is effected through the reaction of methane-carboxylic acid dialkylester monoamide structures with free hydroxyl or amino groups on the resin are described. The crosslinking functionality ... | 03/06/1990 |
| 4906705 | Method of lithiating a tertiary chloro alkyl compound and the product provided by said method A method of treating a hydrocarbon containing a tertiary chloroalkyl groups to convert it to an allylic lithium by dehydrochlorinating the above either simultaneously or sequentially, to first dehydrochlorinate the compound to form a terminal unsaturation... | 03/06/1990 |
| 4906446 | Filler for dental materials and dental materials containing the same Silica gels of a mean grain size of about 0.5 to 50 μm are subjected to a heat or acid treatment that considerably reduces their surface area and the volume of pores smaller than 50 nm, while maintaining approximately the same grain size distribution and... | 03/06/1990 |
| 4904742 | Binders resistant to fouling and organisms present in an aqueous medium and process for their preparation Binders comprising the association of chlorinated vinyl resins and quaternary ammonium salts are resistant to corrosion, fouling, and organisms in an aqueous medium. The binders are obtained by substituting the chlorines of the polymer with a molecule hav... | 02/27/1990 |
| 4904743 | Fluorinated ethylene/alpha-olefin copolymers A modified olefinic polymer is obtained by fluorinating an ethylene/-olefin copolymer having the following properties (i) to (iv), said ethylene/-olefin copolymer being prepared by copolymerizing ethylene and an -olefin having 3 to 12... | 02/27/1990 |
| 4904741 | Polymers with amino-methyl-propene-2-yl groups contaiing electron-withdrawing groups Polymers, such as polyisobutylene or ethylene-propylene copolymers, are functionalized by reaction with an activated imine to yield novel polymers.... | 02/27/1990 |
| 4904736 | Acrylic rubber composition An acrylic rubber composition comprising (A) a copolymer and (B) a crosslinking agent, said copolymer (A) consisting essentially of (a) from 3 to 10% by weight of ethylene, (b) from 0 to 10% by weight of at least one crosslinkable monomer selected from th... | 02/27/1990 |
| 4904749 | Preparation of PHEMA by precipitation/suspension polymerization Disclosed is a method for preparing poly(2-hydroxyethyl methacrylate) polymers (PHEMA) by a precipitation/suspension polymerization technique wherein a reaction mixture comprising hydroxyethyl methacrylate monomer (HEMA), solvent, and a free-radical initi... | 02/27/1990 |
| 4904734 | Dehydrogenated polyspiroheptadiene Dehydrogenated poly(spiro[2,4]hepta-4,6-diene) which is insoluble in organic solvents, has an electrical conductivity of at least 10-10 S×cm-1, and contains, relative to the total number of recurring structural units in the polymer,... | 02/27/1990 |
| 4904739 | Poly(fluoroacetylene) containing polymers Compositions of poly(fluoroacetylene) useful for providing electrically conductive properties to plastics by a method of dehydrofluorination of saturated fluoroethylene polymers.... | 02/27/1990 |
| 4904732 | Curable isobutylene polymer An isobutylene polymer having at least one silicon-containing group cross-linkable by the formation of a siloxane bond. The isobutylene polymer is a novel polymer curable at ordinary temperature and has not only excellent weatherability, water-resistance ... | 02/27/1990 |
| 4902763 | Process for the polymerization tri-substituted silylalkynes Polymeric trisubstituted silylalkynes useful for forming gas separation membranes are prepared at accelerated polymerization rates and with improved yields in the presence of a Group VV or VIB Metal halide catalyst such as TaCl5, by employing a... | 02/20/1990 |
| 4902751 | Preparation of modified acrylamide polymers A process for the preparation of hydroxamated polymers of acrylamide is disclosed whereby the polymer is reacted with a hydroxylamine salt at pH of at least about 8.0.... | 02/20/1990 |
| 4900793 | Fluorinated elastomeric materials This invention relates to a method of making perfluorinated elastomeric materials, and to materials made by such methods. In the full synthetic scheme, a partially fluorinated polymeric compound, with moieties to prevent crystallization, is created. It is... | 02/13/1990 |
| 4900796 | Process for preparing chloromethylated aromatic materials An improved process for chloromethylating an aromatic material comprising introducing in a first closed container the aromatic polymeric material, catalyst for the chloromethylation reaction, and chloromethyl methyl ether in sufficient excess to insure co... | 02/13/1990 |
| 4900781 | Process for modifying addition polymerization plastics A process for modifying addition polymerization plastics is disclosed. According to the process, an organic peroxide is adsorbed on a zeolite, mixed with an addition polymerization plastic and heat-treated. The process produces an addition polymerization ... | 02/13/1990 |
| 4897452 | Process for the manufacture of propylene homopolymer or copolymer pellets The present invention relates to a process for the manufacture of propylene homopolymer or copolymer pellets in the presence of free radical generators so as to obtain non-sticky pellets with excellent reproducibility and to increase the melt index of the... | 01/30/1990 |
| 4897200 | Macromolecular carbonyl groups containing material suitable for use as sorbent for nitrogen compounds A carbonyl groups containing macromolecular material which is suitable for use as a sorbent for ammonia, urea or amino compounds. It contains structural units having 3 or more, optionally hydrated vicinal carbonyl groups, preferably keto groups, the C-ato... | 01/30/1990 |
| 4894407 | Composition for extracting gold and silver anions from alkaline solutions and processes for making same An extraction composition useful for extracting gold or silver values from aqueous systems containing gold or silver cyanide anions. Useful extractions include organic oxides of phosphrous and sulfur attached to an inert resinous substrate.... | 01/16/1990 |
| 4892928 | Hydrogenation process A process for selectively hydrogenating a polymer containing ethylenic unsaturation and cyano groups with a catalyst prepared by combining one or more of certain palladium compounds and one or more of certain aluminum compounds in a suitable solvent or di... | 01/09/1990 |
| 4889896 | Process for the imidization of copolymers of maleic anhydride with vinyl-aromatic monomers The invention concerns a process for the imidization of copolymers of maleic anhydride with vinyl-aromatic monomers using an urea as the imidizing agent.... | 12/26/1989 |
| 4885345 | Alkoxylated/cationically modified amide-containing polymers Pendant amide-containing polymers may be modified in such a way to achieve substituted pendant amide groups described by the structure: ##STR1## wherein: R is chosen from the group consisting of hydrogen and lower alkyl (C1 -C4)... | 12/05/1989 |
| 4883859 | Process for producing hydroxylated polybutadiene In the process of producing hydroxylated polybutadiene from a diene monomer in the presence of hydrogen peroxide and a solvent, wherein the solvent is recovered by distillation for reuse; after separation of the hydroxylated polybutadiene from mixture con... | 11/28/1989 |
| 4882391 | Polymers containing amino groups, their preparation and their use Non-crosslinked reaction products of compounds (A) which contain structural units carrying 1,3-dioxolan-2-one groups in random distribution and compounds (B) which contain at least one primary aliphatic or cycloaliphatic amino group and additionally at le... | 11/21/1989 |
| 4882392 | Novel radiopaque heavy metal polymer complexes, compositions of matter and articles prepared therefrom Novel radiopaque materials comprise heavy metal salts, such as bismuth and uranium salts complexed with a polymer. The metallic complexes which are permanent, nonleachable and have radiopacities at least equivalent to that of aluminum do not adversely aff... | 11/21/1989 |
| 4879349 | Selective hydrogenation process A method for selectively hydrogenating a polymer containing monomer units from at least two different conjugated diolefins, one of which conjugated diolefins is more substituted at the 2, 3 and/or 4 carbon atoms than is the other. The selective hydrogenat... | 11/07/1989 |
| 4879350 | Dehydrogenated polycyclopentadiene Dehydrogenated polycyclopentadiene which is insoluble in organic solvents, has a specific conductivity of at least 10-7 S.cm-1 and contains essentially the recurring structural units of the formulae III to VIII ##STR1## in which... | 11/07/1989 |
| 4879351 | Isomerized terpene tackifier resins A novel copolymer resin which has excellent tackifying properties for selected elastomers useful in hot melt and pressure sensitive adhesives is produced by the copolymerization of beta-pinene with other terpenes or hydrocarbon monomers, followed by therm... | 11/07/1989 |
| 4879352 | Adducts of an aminoalcohol and nitrile rubber The present invention provides a method to prepare an adduct of a nitrile rubber and an amino alcohol. The present adducts have 2-oxazoline functionality which is detectable in the infrared spectrum.... | 11/07/1989 |
| 4877817 | Chlorinated rubber A chlorinated rubber having a chlorine content of 10 to 45% by weight based on the weight of the chlorinated rubber and a Mooney viscosity, ML1+4 (121° C.), of 10 to 190 is obtained by chlorinating an ethylene/alpha-olefin/non-conjugated diene... | 10/31/1989 |
| 4877843 | Selective hydrolysis of copolymers of para-acetoxy styrene and allyl esters of ethylenically unsaturated acids Copolymers of p-acetoxystyrene and allyl esters of ethylenically unsaturated acids are selectively hydrolyzed to copolymers of p-vinylphenol and allyl esters of ethylenically unsaturated acids using acid or base catalysis in an alcohol or water.... | 10/31/1989 |
