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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 4889787 | Low gain positive acting diazo oxide pre-press proofing system with polyvinyl ether and particulate slip agent in adhesive layer A positive-acting photosensitive proofing element is constructed with a thermal adhesive layer having a Tg between 45° C. and 60° C., said adhesive comprising a polymer or copolymer derived from an ethylenically unsaturated monomer and 0.5 to 40% by wei... | 12/26/1989 |
| 4793717 | Device for visually indicating a pressure or temperature condition Indicating device suitable for visibly indicating conditions such as the application of force or pressure or the exposure to a critical temperature. The device includes a porous pad containing an indicating dyed chemical, a wick maintained in spaced relat... | 12/27/1988 |
| 4762891 | Scorch-resistant, curable fluorinated elastomer A scorch-resistant, curable, fluorinated elastomer gum composition is provided. A free-radically curable, fluorinated elastomer gum is compounded with an aliphatically unsaturated, diorganosulfur compound in which at least one of the organo moieties conta... | 08/09/1988 |
| 4543113 | Uniform minimum-permeability woven fabric, filter, and process therefor A high temperature stable woven fiber fabric has uniform minimum gas permeability of less than 2.0 L/M/cm2 and is capable of withstanding at least 10,000 cycles in a Bally™ Flexometer test without failure. An untreated fabric is subjectd to a... | 09/24/1985 |
| 4539816 | Heat and liquid recovery using open cycle heat pump system The present invention relates to the recovery of heat and/or condensable liquid from a gaseous environment utilizing an open cycle heat pump system. The open cycle heat pump system is employed to alter the temperature of a gas by compression, expansion, h... | 09/10/1985 |
| 4508916 | Curable substituted urethane acrylates A class of substituted urethane acrylates and methacrylates having an aliphatic backbone is provided, the members of the class having at least one ether or polyether group with at least one pendent fluorinated organic group attached thereto. The novel com... | 04/02/1985 |
| 4487876 | Wire coating composition An insulative coating composition for providing water-repellancy to and protecting communication wire comprises an admixture of an anhydride copolymer, a flexibilizing copolymer, a suitable solvent system, a hydrophobic, soluble, compatible fluoroaliphati... | 12/11/1984 |
| 4485236 | Azlactone-functional compounds Azlactone-functional compounds, which are liquid above 20° C., and their method of preparation from alkenyl azlactones and nucleophilic group-substituted compounds are disclosed. The azlactone-functional compounds of the invention cure in the presence of... | 11/27/1984 |
| 4480393 | Vapor recovery method and apparatus Vapor recovery system comprising vapor source, vapor concentrating system and refrigeration condensation system. Method comprises accumulating condensable vapor in vapor accumulator, and subsequently removing vapor from accumulator using carrier gas to pr... | 11/06/1984 |
| 4476276 | Latex-reinforced polyurethane sewer sealing composition A sealing composition prepared by reacting water-soluble polyurethane prepolymer with water containing latex to provide a gelled viscous mass which will cure to a cross-linked latex-reinforced gel capable of preventing or inhibiting leakage in various str... | 10/09/1984 |
| 4472480 | Low surface energy liner of perfluoropolyether Low surface energy liner provided by segments of a perfluoropolyether monomer which has been in-situ polymerized into a cohesive network which is adhered to a substrate. The low surface energy liner is especially useful as a low-adhesion backsize coating ... | 09/18/1984 |
| 4468527 | Fluorinated alcohols A fluoroaliphatic radical- and aliphatic chlorine-containing alcohol containing more than 25 weight percent carbon-bonded fluorine in the form of fluoroaliphatic radicals and at least one aliphatic chlorine, an ester of said alcohol and a carboxycylic aci... | 08/28/1984 |
| 4450263 | Fluoropolymer gum of vinylidene fluoride, hexafluoropropene, and bromodifluoroethylene A fluoropolymer gum of 60 to 85 mol percent vinylidene fluoride, 10 to 40 mol percent of hexafluoropropene and 0.15 to 3 mol percent 1-bromo-2,2-difluoroethylene is provided which can be blended with fluorosilicone gum and vulcanized in presence of free-r... | 05/22/1984 |
| 4443354 | Sorbent material for reducing formaldehyde emission Granular sorbent material comprising a granular high surface area support impregnated with a water soluble, essentially non-volatile primary or secondary amine with equivalent weight less than about 400 and bearing either zero or two carbonyl substituents... | 04/17/1984 |
| 4424352 | Palladium(II) bis(hexafluoroacetylacetonate) adducts and their preparation Preparation of palladium(II) bis(hexafluoroacetylacetonate) and adducts derived therefrom are disclosed, said adducts having the formula wherein L is a Lewis base selected from certain classes, and n is an integer from 1 to 4. These compounds are useful in pre... | 01/03/1984 |
| 4423139 | Stabilizer combination for dye oxidation Synergistic combinations for use in stabilizing thermographic imaging systems comprise (1) one or more aromatic compounds which form quinones, diimines, or quinonimines upon oxidation in combinaton with (2) 1-phenyl-3-pyrazolidinone, or derivatives or 1-p... | 12/27/1983 |
| 4416280 | Cardioplegia delivery system A system for achieving cardioplegia, a protective cessation of the heart muscle activity during open heart surgery which includes providing a circulation system in parallel with the main life support system and deriving a blood source from the arterial re... | 11/22/1983 |
| 4412096 | Combination earmold and receiver adapter An acoustically sealed earmold and a receiver adapter insertable into the ear of an individual with impaired hearing and used in conjunction with an external receiver to evaluate hearing. A unique method of coupling the receiver adapter to the earmold is ... | 10/25/1983 |
| 4406827 | Cohesive nonsticky electrically conductive gel composition A cohesive nonsticky electrically conductive gel is disclosed, for facilitating low resistance contact between a metal electrode and a biological body. The gel comprises an aqueous solution of up to saturated concentrations of ionized salts as the conduct... | 09/27/1983 |
| 4406522 | Variable magnification lens A variable magnification optical system comprising two lens components one on each side of an aperture stop with a positive lens element in each component connected for simultaneous movement to afford a change of 14.5× to 16.2× magnification in an objec... | 09/27/1983 |
| 4405678 | Protected vapor-deposited metal layers The use of organic materials containing carbonyl groups (which are not part of carboxyl group), phenoxy groups, ester groups, or alcohol groups over vapor deposited metal layers improves their mar resistance. These organic materials can improve the proper... | 09/20/1983 |
| 4405676 | Decorative ribbon or sheet material The present invention provides economical decorative ribbon or sheet material exhibiting desirable aesthetic qualities.... | 09/20/1983 |
| 4405612 | Heparin web compositions Microfibrous heparin salts, nonwoven webs of such fibers, a process for preparing the fibers and the use of the webs for the rapid heparinization of blood are disclosed.... | 09/20/1983 |
| 4405359 | Acyclicacylaminoperfluoroalkanesulfonanilides and derivatives thereof Acyclicacylaminoperfluoroalanesulfonanilides and agriculturally acceptable salts thereof are useful as herbicides and plant growth regulators.... | 09/20/1983 |
| 4404345 | Novel adhesive compositions Adhesive compositions are described which consist of an adhesive base as a first part and an initiator portion as a second part, said first part consisting essentially of (a) 100 parts by weight of a polymerizable monomer having at least one , ... | 09/13/1983 |
| 4404277 | Desensitizing dyes for photographic emulsions Novel cyanine dye salts having an alkoxyaryl function joined by a vinylene linkage to a heterocyclic nucleus are useful as desensitizers in fogged, direct positive type of silver halide emulsions.... | 09/13/1983 |
| 4404246 | Storable, crosslinkable pressure-sensitive adhesive tape Pressure-sensitive adhesive tape, the adhesive layer of which is a copolymer of alkyl acrylate such as isooctyl acrylate and an acid such as acrylic acid and which differs from the prior art in its high acid content and by including a small amount of lowe... | 09/13/1983 |
| 4404207 | Antimicrobial 8-substituted benzo [IJ]quinolizines Antimicrobial compounds of the following formula are disclosed: ##STR1## wherein Het is selected from the goup consisting of pyrryl, pyrrolidyl, tetrazolyl of the formula ##STR2## wherein R1 is lower alkyl or benzyl and oxadiazolyl of... | 09/13/1983 |
| 4403693 | Medical stapling device A medical stapling device in which open staples are moved along a track between two grooved rails by a drive member having spaced lugs. Upon activation of the device, the lugs are moved into engagement with the staples and advance them along the track so ... | 09/13/1983 |
| 4402585 | Envelope for transparencies for overhead projectors and like projecting apparatuses An envelope for transparencies for overhead projectors comprises a substantially rectangular pocket of transparent plastic sheet material. The pocket is open along at least one side edge for insertion of the transparency to be presented therebetween. At l... | 09/06/1983 |
| 4402000 | Electrographic recording method and apparatus with control of toner quantity at recording region An electrographic method and apparatus are provided for maintaining a controlled quantity of electronically conductive toner in the recording region formed between an array of stylus electrodes and a receptor recording member. A regular or relatively unif... | 08/30/1983 |
| 4401780 | Textile treatments Textiles are rendered water and oil resistant by contacting them with a composition containing water-insoluble fluoroaliphatic radical- and aliphatic chlorine-containing ester, water-insoluble fluoroaliphatic radical-containing polymer, and water-insolubl... | 08/30/1983 |
| 4401743 | Aqueous developable photosensitive composition and printing plate A light-sensitive adduct comprising the combination of a diazo resin having a plurality of pendant diazonium groups and a sulfonated polymer having a plurality of sulfonate groups and a presensitized light-sensitive article comprising a substrate having a... | 08/30/1983 |
| 4401537 | Liquid crystal display and photopolymerizable sealant therefor A composition comprising a photopolymerizable epoxy-containing material which is useful to provide a hermetically sealed liquid crystal display cell. The photocured seal is chemically resistant to the contents of the liquid crystal cell. Adhesion of the p... | 08/30/1983 |
| 4401272 | Aerosol fan sprayhead An aerosol sprayhead assembly which includes a restriction between a sprayhead inlet communicating with an aerosol container and a nozzle opening which produces a fan-shaped spray pattern. The restriction acts in cooperation with the nozzle opening to pro... | 08/30/1983 |
| 4401271 | Aerosal fan spray head Aerosol spray heads which provide a fan spray pattern for cohesive polymer solutions at high aerosol solids levels. The orifice of the spray heads is elongate in shape and generally aligned with and centered in an elongate groove in the exit face of the s... | 08/30/1983 |
| 4401965 | Thermal switch A single use thermal switch having a tubular casing within which a mechanical isolation cage is axially movable. The cage is normally urged by a helical compression spring against a fusible pellet which melts at a temperature at which it is desired to dis... | 08/30/1983 |
| 4400386 | Antimicrobial derivatives of 8-amino and 8-aminomethyl benzo(ij)quinolizine This invention relates to antimicrobial compounds of the formula ##STR1## wherein X is hydrogen or fluorine; Y is selected from the group consisting of ##STR2## and ester, carboxylate salts, and alkylaminoalkyl ester salts thereof.... | 08/23/1983 |
| 4399226 | Tagging with microcapsules containing perfluoroalkyl pentafluorosulfide Vapor permeable microcapsules filled with volatile perfluoroalkyl pentafluorosulfide and used to tag articles for the detection thereof.... | 08/16/1983 |
| 4398931 | Ceramic fabric filter A filter assembly for removing particulate matter from high temperature gas streams is disclosed, said filter assembly comprising: a rigid, tubular frame or cage made of high temperature stable material, having a closed lower end, or optionally an open lower e... | 08/16/1983 |
