"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4567110 | High-temperature brazed ceramic joints High-temperature joints formed from metallized ceramics are disclosed wherein the metal coatings on the ceramics are vacuum sputtered thereon.... | 01/28/1986 |
| 4556277 | Transparent heat-mirror Transparent heat-mirrors are disclosed which are comprised of composite films. These films include a discrete and continuous layer of metallic silver sandwiched between a transparent, outer, protective, anti-reflection layer and a transparent, phase-match... | 12/03/1985 |
| 4546500 | Fabrication of living blood vessels and glandular tissues A method and apparatus for producing a vessel-equivalent prosthesis is described. A contractile agent such as fibroblast cells, smooth muscle cells or platelets is incorporated into a collagen lattice and contracts the lattice axially around an inner core... | 10/15/1985 |
| 4539716 | Fabrication of living blood vessels and glandular tissues A method and apparatus for producing a vessel-equivalent prosthesis is described. A contractile agent such as fibroblast cells, smooth muscle cells or platelets is incorporated into a collagen lattice and contracts the lattice axially around an inner core... | 09/10/1985 |
| 4535058 | Characterization of oncogenes and assays based thereon Experiments designed to define the differences between an oncogene isolated from human bladder cancer cells and its corresponding proto-oncogene are described herein. By a series of in vitro recombinations, the difference was initially isolated to a 350 k... | 08/13/1985 |
| 4532204 | Mutation assays involving blood cells that metabolize toxic substances A line of human blood cells which have high levels of oxidative activity (such as oxygenase, oxidase, peroxidase, and hydroxylase activity) is disclosed. Such cells grow in suspension culture, and are useful to determine the mutagenicity of xenobiotic sub... | 07/30/1985 |
| 4522753 | Method for preserving porosity in porous materials A method for preserving the porosity of porous materials is disclosed. In this method, the porous material is subjected to elevated temperature and vacuum conditions to thereby produce a dimensionally-stable, non-collapsible porous material.... | 06/11/1985 |
| 4518219 | Optical guided wave devices employing semiconductor-insulator structures A three-dimensional optical waveguide is disclosed. This waveguide comprises a single crystal semiconductor layer grown upon an insulator which has an index of refraction lower than the semiconductor. The semiconductor layer has a thickness which provides... | 05/21/1985 |
| 4514581 | Solar cells having ultrathin active layers Improvements in solar cells based upon low cost semiconductors, such as amorphous silicon, are disclosed. The improved solar cells of this invention have ultrathin active semiconductor layers having a thickness between 0.1 t and Lm | 04/30/1985 |
| 4505266 | Method of using a fibrous lattice This invention relates to the introduction of viable cells into a fibrous lattice by surgical, force-utilizing, or other manipulative techniques, all of which are referred to herein as "seeding." One embodiment comprises an autografting technique which in... | 03/19/1985 |
| 4496539 | Method for treating cancer using galactose-specific lectins This invention discloses a method of using galactose-binding lectins, such as Ricinus communis agglutinin I (RCAI), to kill cancer cells. RCAI has been found to severely weaken certain types of cancer cells, such as bladder carcinoma... | 01/29/1985 |
| 4485096 | Tissue-equivalent and method for preparation thereof A tissue-equivalent, useful in the treatment of burns or other skin wounds and in the fabrication of prostheses, is disclosed which is prepared from a hydrated collagen lattice contracted by a contractile agent, such as fibroblast cells or blood platelets... | 11/27/1984 |
| 4485097 | Bone-equivalent and method for preparation thereof A bone-equivalent, useful in the fabrication of prostheses, is disclosed which is prepared from a hydrated collagen lattice contracted by fibroblast cells and containing demineralized bone powder.... | 11/27/1984 |
| 4458678 | Cell-seeding procedures involving fibrous lattices This invention relates to the introduction of viable cells into a fibrous lattice by surgical, force-utilizing, or other manipulative techniques, all of which are referred to herein as "seeding." One embodiment comprises an autografting technique which in... | 07/10/1984 |
| 4456687 | Agents for promoting growth of epithelial cells Certain agents are disclosed which promote growth of epithelial cells, including human epidermal cells. These agents are known to increase the level of cellular cyclic-AMP.... | 06/26/1984 |
| 4442203 | Gene amplification assay for detecting tumor promoters A correlation between gene amplification and tumor promotion is disclosed herein. This correlation allows for a simple cellular assay that indicates whether a substance or process is a tumor promoter. This assay does not depend upon numerous biochemical p... | 04/10/1984 |
| 4420873 | Optical guided wave devices employing semiconductor-insulator structures A method for fabricating three-dimensional optical waveguides is disclosed. In this method, a single crystal semiconductor layer is grown upon an insulator which has an index of refraction lower than the semiconductor. The semiconductor layer is deposited... | 12/20/1983 |
| 4418691 | Method of promoting the regeneration of tissue at a wound This invention comprises the use of centrifugal force to introduce viable cells into a fibrous lattice, as well as fibrous lattices that are seeded with cells by the use of centrifugal force. A variety of fibrous lattices may be seeded by the methods of t... | 12/06/1983 |
| 4414147 | Methods of decreasing the hydrophobicity of fibroblast and other interferons A method for improving the stability and usefulness of interferon, including human fibroblast interferon, is disclosed. In this method, interferon is bonded to a non-hydrophobic substance to create a molecular complex that is less hydrophobic than untreat... | 11/08/1983 |
| 4400532 | Cryogenically controlled direct fluorination process, apparatus and products resulting therefrom An apparatus and process useful in direct fluorination of a variety of compositions, as well as the fluorinated compositions themselves, are disclosed. The apparatus comprises a cryogenic zone reactor, such as a packed column reactor, suitably divided int... | 08/23/1983 |
| 4376228 | Solar cells having ultrathin active layers Improvements in solar cells based upon low cost semiconductors, such as amorphous silicon, are disclosed. The improved solar cells of this invention have ultrathin active semiconductor layers having a thickness between 0.1 t and Lm | 03/08/1983 |
| 4372791 | Method for fabricating DH lasers Double-heterostructure (DH) diode lasers based upon very thin epitaxial layers of Gax In1-x Asy P1-y grown on and lattice-matched to oriented InP substrates are disclosed. A preferred method for fabricating such... | 02/08/1983 |
| 4357422 | Method of enhancing interferon production A method for enhancing the production of interferon from normal human diploid fibroblast cells is disclosed. In this method, a distinct interferon-production phase is established in which the temperature is initially elevated for a brief period followed b... | 11/02/1982 |
| 4352880 | Diffusion bioassay for the quantitative determination of mutagenicity A quantitative bioassay employing the well known diffusion bioassay is described herein. The bioassay allows the calculation of the minimum concentration of a test agent which produces mutation in a tester strain of cells employed in the diffusion bioassa... | 10/05/1982 |
| 4350629 | Procedures for preparing composite materials from collagen and glycosaminoglycan This invention relates to crosslinked collagen and glycosaminoglycan materials, and to procedures for preparing such materials. It has been discovered that if collagen fibrils in an aqueous acidic solution are contacted with a crosslinking agent before be... | 09/21/1982 |
| 4337990 | Transparent heat-mirror Transparent heat-mirrors are disclosed which are comprised of composite films. These films include a discrete and continuous layer of metallic silver sandwiched between a transparent, outer, protective, anti-reflection layer and a transparent, phase-match... | 07/06/1982 |
| 4334017 | Method for detecting cancer in mammalian tissue An improved method for assaying for cancer by detecting ଲ-linked galactose moieties associated with cells is disclosed wherein a label specific for such moieties is added to the cells and subsequently sensed.... | 06/08/1982 |
| 4309225 | Method of crystallizing amorphous material with a moving energy beam An improved method for crystallizing amorphous material with a moving beam of energy is disclosed. In this method, the energy beam is scanned in a manner to provide controlled, continuous motion of the crystallization front.... | 01/05/1982 |
| 4304866 | Transplantable sheets of living keratinous tissue A method of producing transplantable sheets of living keratinous tissue by culturing keratinocytes in a culture vessel and subsequently enzymatically detaching a sheet of keratinous tissue employing an enzyme, such as Dispase, is disclosed herein.... | 12/08/1981 |
| 4302535 | Assay for mutagenesis in heterozygous diploid human lymphoblasts An assay is disclosed for determining mutagenic damage caused by the administration of a known or suspected mutagen to diploid human lymphoblastoid cell lines. The gene locus employed for this assay is the gene for thymidine kinase, uridine kinase, or cyt... | 11/24/1981 |
| 4299915 | Assay for mutagenesis in bacterial cells An assay is disclosed for determining mutagenic damage caused by the administration of a known or suspected mutagen to bacterial cells such as Salmonella typhimurium. After administration of or exposure to a mutagenic agent, the bacterial cells are plated... | 11/10/1981 |
| 4293654 | Cell culture microcarriers Improved cell culture microcarriers, and methods for their production and use, are disclosed herein. These improved microcarriers have positive charge capacities adjusted and/or controlled within a range suitable for good cell growth. One method for produ... | 10/06/1981 |
| 4287485 | GaInAsP/InP Double-heterostructure lasers Double-heterostructure (DH) diode lasers based upon very thin epitaxial layers of Gax In1-x Asy P1-y grown on and lattice-matched to oriented InP substrates are disclosed. A preferred method for fabricating such... | 09/01/1981 |
| 4282361 | Synthesis for 7-alkylamino-3-methylpyrazolo [4,3-d]pyrimidines An improved synthesis is disclosed for 7-alkylamino-3-methylpyrazolo[4,3-d]pyrimidines, which are known to be potent cytokinin antagonists.... | 08/04/1981 |
| 4280954 | Crosslinked collagen-mucopolysaccharide composite materials Composite materials are disclosed which are formed by contacting collagen with a mucopolysaccharide and subsequently covalently crosslinking the resultant polymer. These composite materials have a balance of mechanical, chemical and physiological properti... | 07/28/1981 |
| 4281119 | Cryogenically controlled direct fluorination process, apparatus and products resulting therefrom An apparatus and process useful in direct fluorination of a variety of compositions, as well as the fluorinated compositions themselves, are disclosed. The apparatus comprises a cryogenic zone reactor, such as a packed column reactor, suitably divided int... | 07/28/1981 |
| 4258375 | Gax In1-x Asy P1-y /InP Avalanche photodiode and method for its fabrication An improved avalanche photodiode having an active layer of Gax In1-x Asy P1-y containing a p-n junction and a window layer grown epitaxially to an n+ substrate is disclosed herein, as well as methods... | 03/24/1981 |
| 4252759 | Cross flow filtration molding method A cross flow filtration molding apparatus and method are disclosed which are particularly useful for forming complicated shapes from dispersions of particles in a liquid medium. Dispersion is pumped through a mold which has porous walls and a sufficient p... | 02/24/1981 |
| 4248687 | Method of forming transparent heat mirrors on polymeric substrates Transparent heat-mirrors are disclosed which are formed from tin-doped indium oxide films or antimony-doped tin oxide films deposited onto polymeric substrates. Low temperature deposition processes, such as ion-beam sputtering, are employed to preserve th... | 02/03/1981 |
| 4248675 | Method of forming electrical contact and antireflection layer on solar cells A method of applying an electrical contact and an anodic reflection coating to an n+ layer of a direct gap semiconductor device, comprising applying an anodizable metal contact to the n+ layer and thereafter anodizing the n+ | 02/03/1981 |