In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 4735991 | Aqueous coating composition based on a cationic binder A process is provided for coating an electrically conductive substrate with an aqueous composition containing a cationic binder wherein the binder is obtained by polymerization of 100 parts by weight of a specified monomer mixture in the presence of 0.25 ... | 04/05/1988 |
| 4734239 | Process for the production of water-insoluble fibers of cellulose monoesters of maleic acid, succinic acid and phthalic acid, having an extremely high absorbability for water and physiological liquids Water-insoluble fibers of cellulose monoester of maleic acid, succinic acid, or phthalic acid having an extremely high absorption ability for water and physiological liquids are produced by (a) preparing at 20° to 80° C. a solution of activated cellulos... | 03/29/1988 |
| 4732788 | Process for coating substrate and an aqueous coating composition based on a cationic binder A process is provided for coating an electrically conductive substrate with an aqueous coating composition containing a cationic binder wherein the binder is obtained by polymerization of 100 parts by weight of a specified monomer mixture in the presence ... | 03/22/1988 |
| 4728686 | Aqueous coating composition based on a cationic binder A process is provided for coating an electrically conductive substrate with an aqueous coating composition containing a cationic binder wherein the binder is obtained by polymerization of 100 parts by weight of a specified monomer mixture in the presence ... | 03/01/1988 |
| 4724900 | Apparatus for effecting mass and/or heat transfer An apparatus for effecting mass and/or heat transfer, comprising a bundle of hollow filaments of substantially equal length, the ends of which are embedded in a sealing compound, a substantially cylindrical housing with connecting branches for the supply ... | 02/16/1988 |
| 4719202 | Disaccharide and trisaccharide derivatives of the "Lipid A" type The present invention is dealing with certain disaccharide or trisaccharide derivatives of the lipid A type, which have interesting immuno-modulating, more particularly immuno-stimulating properties.... | 01/12/1988 |
| 4719318 | Insulated conductors and method of making same Mineral insulated conduits are produced by insulating one or several electrical conductors, preferably metallic conductors, with silica staple fibers and sheathing the entire conductor with a metallic jacket. The silica staple fibers are produced by treat... | 01/12/1988 |
| 4717654 | Process for solid phase platelet antibody assay Drug-induced thrombocytopenia can be detected via the use of an enzyme-linked immunospecific assay.... | 01/05/1988 |
| 4714531 | Process for coating an electrically conductive substrate and an aqueous coating composition based on cationic binder A process is provided for coating an electrically conductive substrate with an aqueous coating composition containing a cationic binder wherein the binder is obtained by polymerization of 100 parts by weight of a specific monomer mixture in the presence o... | 12/22/1987 |
| 4714532 | Process for coating an electrically conductive substrate and an aqueous coating composition based on a cationic binder A process is provided for coating an electrically conductive substrate with an aqueous coating composition containing a cationic binder wherein the binder is obtained by polymerization of 100 parts by weight of a specified monomer mixture in the presence ... | 12/22/1987 |
| 4711852 | Control for blood gas analyzers and hemoglobin analysis A blood gas-hemoglobin analysis control which simulates whole human blood characteristics comprising a buffered suspension medium containing erythrocytes which have been stabilized with an imidoester protein cross-linking agent while being contacted with ... | 12/08/1987 |
| 4710281 | Process for coating an electrically conductive substrate and an aqueous coating composition based on a cationic binder A process is provided for coating an electrically conductive substrate with an aqueous coating composition containing a cationic binder wherein the binder is obtained by polymerization of 100 parts by weight of a specified monomer mixture in the presence ... | 12/01/1987 |
| 4705782 | Indene and naphthalene derivatives The invention relates to compounds of the general formula I ##STR1## wherein R1 represents one up to and including four, the same or different substituents selected from alkyl(1-6 C), alkoxy(1-6 C), hydroxy, halogen, NO2, CF | 11/10/1987 |
| 4705720 | Flexible multi-layer polyimide laminates A multilayer laminate having at least one layer of a no longer formable fully aromatic polyimide and at least one layer of substrate material, the layer of no longer formable polyimide adhering directly on one side to the layer of substrate material with ... | 11/10/1987 |
| 4705888 | t-Alkenyl peroxy esters This disclosure relates to novel peroxy esters carrying a t-alkenyl, e.g. 2-methyl-3-butene-2-yl, peroxy group. These peroxy esters have shorter half-life periods of decomposition and are more reactive polymerization initiators and unsaturated polyester r... | 11/10/1987 |
| 4705847 | Polycycloalkylidene-polycycloalkanes, epidioxy derivatives thereof and method of preparation The invention relates to a process for preparing substituted polycyclo-alkylidene polycyclo-alkanes, such as substituted adamantylidene adamantanes, and the corresponding epidioxy compounds, in which polycyclo-alkylidene polycyclo-alkanes are halogenated ... | 11/10/1987 |
| 4702841 | Method of and arrangement for extracorporal removal of toxins from blood An extracorporal removal from blood of toxins connected with albumen includes separating a blood plasma from cellular components, mixing a solution of low-molecular split reagents with the separated blood plasma with a dwell time of substantially between ... | 10/27/1987 |
| 4701421 | Determination of protecting anti-HBV immunoglobulins A novel method for the determination of protecting anti-HBV immunoglobulins is based on the use of two different HBsAg reagents: one insolubilized and having the antigenic type AX and one labelled and having the antigenic type AY, wherein A represents the... | 10/20/1987 |
| 4701450 | Steroids for use as immunomodulators The invention relates to a group of Ɗ4 - and Ɗ5(10) -oestrene derivatives having an alkyl(1-4 C) substituent in position 6 or 7, an oxy substituent in position 17ଲ and optionally an oxo- or oxy-substituent in position 3 and a... | 10/20/1987 |
| 4701410 | Method for the immunochemical determination of hepatitis B core antigens The present invention concerns a method for detection of the core antigen of hepatitis B virus in a sample comprising a first incubation with carrier-bound antibodies directed against hepatitis B surface antigens and a second incubation with antibodies ag... | 10/20/1987 |
| 4699841 | Flexible multilayer polymide laminates A multilayer laminate having at least one layer of a no longer formable fully aromatic polyimide and at least one layer of substrate material, the layer of no longer formable polyimide adhering directly on one side to the layer of substrate material with ... | 10/13/1987 |
| 4698155 | Method of and apparatus for continuous metered removal or addition of small quantities of fluid A very small uniform fluid stream is produced and kept constant over a prolonged period by using at least one fluid-permeable membrane which can be composed of hollow filaments, and the method and apparatus can be used, for example in cardiac catheterizat... | 10/06/1987 |
| 4694000 | Quinazoline and isoquinoline derivatives The invention relates to novel quinazoline and isoquinoline derivatives of the general formula: ##STR1## and acid addition salts and copper complexes thereof, wherein X represents nitrogen or a CH group, Y represents oxygen or an NH group, R1 | 09/15/1987 |
| 4690136 | Assembly of intra-uterine contraceptive device and insertor The invention comprises an assembly of an intra-uterine contraceptive device and an insertor, whereby the contraceptive device is provided with a central stem and two or more flexible self-supporting arms; at least the said stem is accommodated in the ins... | 09/01/1987 |
| 4686061 | P-sulphophenyl carbonates and detergent compositions and detergent additives containing these compounds This disclosure relates to novel compounds of the class of the p-sulphophenyl carbonates, viz. mono-p-sulphophenyl carbonates derived from ethoxylated alcohols and bis-p-sulphophenyl dicarbonates derived from alkane diols and poly(ethylene glycols). The n... | 08/11/1987 |
| 4681720 | Method of and device for producing bundles of hollow fibers Disclosed is a method of and a device for producing bundles of hollow fibers such as used for dialysis. The device includes a guiding device for a continuous fiber which rotates in a plane. At least two groups of take-up elements are mounted on a conveyor... | 07/21/1987 |
| 4678817 | Novel desensitized ketone peroxide compositions and their use in the manufacture of foundry cores or moulds This disclosure relates to novel desensitized ketone peroxide compositions containing as desensitizing agent 2,2,4-trimethyl-1,3-pentanediol diisobutyrate. It further relates to the use of these compositions in the manufacture of foundry cores or moulds.... | 07/07/1987 |
| 4677028 | Thixotropic coating composition, process for coating a substrate with such coating composition and the coated substrate thus obtained The invention provides for a thixotropic coating composition comprising (1) a binder and (2) a sag control agent which is the reaction product of (a) an isocyanurate-trimer from a diisocyanate containing 3 to 20 carbon atoms and (b) an amine containing at... | 06/30/1987 |
| 4665206 | Benzothiophene derivatives The invention relates to compounds of the general formula I ##STR1## wherein R1 represents one up to and including four, the same or different substituents selected from alkyl(1-6 C), alkoxy(1-6 C), hydroxy, halogen, NO2 CF... | 05/12/1987 |
| 4661522 | Cycloalkane-indene-carboximidamide derivatives The present invention is dealing with cycloalkane-indene-carboximidamide derivatives having the general formula: ##STR1## wherein Rx together with either Ry1 or Ry2 represent the moiety ##STR2## (the other Ry being hydroge... | 04/28/1987 |
| 4659473 | Process for maintaining a charge of a microporous molded article A process for maintaining a charging medium in a microporous molded article for carrying out material transfer processes is described. A charging medium is supplied or presented to the molded article while the material transfer processes are being carried... | 04/21/1987 |
| 4649991 | Cross-counter-stream module for heat or mass exchange A cross-counter-stream module for material and/or heat exchange done with a hollow filament bundle cast into a housing at its ends and a mechanism for conducting the material flow to the outside of the hollow filaments. The hollow filaments are cast at th... | 03/17/1987 |
| 4643981 | Pressure filtration system A method and apparatus for separation and filtration of particulate matter of sediment from a liquid sample. The system includes a unitary filter assembly having an intermediate fibrous filter material disposed between two layers of porous, relatively rig... | 02/17/1987 |
| 4634694 | Novel Ɗ4 - and Ɗ5 -androstene derivatives and pharmaceutical compositions containing these derivatives The invention relates to novel steroids having the formula: ##STR1## wherein X=CH2 --S--R3 or S--S--R4 ; R1 =O or H (ଲR5); R2 =O or H (ଲR6); R3 =H, acyl (1-18C)... | 01/06/1987 |
| 4632730 | Method for increasing the absorption rate of paper Paper, especially wet- or dry-creped paper, is manufactured with a high rate of absorption of aqueous media by using carboxylic acid esters of carboxylic acids with 8 to 30 carbon atoms and at least one of ethoxylated and/or propoxylated primary and/or se... | 12/30/1986 |
| 4628036 | Immunological assay with test tube having bottom forming a strip The present invention relates to the carrying out of immunochemical reactions in a test tube having a bottom in the shape of an inverted prism or truncated prism, in such a way that the lower edge of the tube forms a strip having a length which is at leas... | 12/09/1986 |
| 4623640 | Peptides The present invention relates to peptides having psychopharmacological properties, of the formula: ##STR1## wherein A represents the aminoacid residue Arg, Lys or Leu and R represents ##STR2## as well as the functional derivatives thereof.... | 11/18/1986 |
| 4622161 | Dosing unit comprising a detergent and/or a bleaching agent Dosing unit comprising a detergent and/or a bleaching agent contained in a sachet which entirely or partly consists of a sealable substrate and is provided with one or more seams that are sealed with a water-sensitive coating composition. The moment at wh... | 11/11/1986 |
| 4620034 | Process for the preparation of 2-keto-aldonic acids Preparation of 2-keto-aldonic acids, e.g., 2-keto-gluconic acid, by oxidizing an aldose, e.g. glucose, or aldonic acid in aqueous solution with molecular oxygen. Use is made of a platinum catalyst together with a catalytic amount of lead and/or bismuth an... | 10/28/1986 |
| 4610791 | Dialysis membrane and method of making A single or multilayer dialysis membrane, constructed as a flat film, a tubular foil or especially as hollow fibers, the membrane being made of a regenerated cuprammonium cellulose which may be unmodified or partly modified by alkyl, carboxyalkyl or hydro... | 09/09/1986 |