Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6184176 | Process for the production of a sulfur sorbent Particulate sorbent compositions comprising a mixture of zinc oxide, silica, alumina and a substantially reduced valence cobalt are provided for the desulfurization of a feedstream of cracked-gasoline or diesel fuels in a desulfurization zone by a process... | 02/06/2001 |
| 5352395 | Carbon and ceramic-containing layers for use in sintering of silicon nitride article Sintering of an article molded from a first particulate material comprising silicon nitride employs carbon and ceramic-containing layers. At least one outer layer comprising a second particulate material is positioned with respect to the article so as to ... | 10/04/1994 |
| 5166329 | DNA encoding the alcohol oxidase 2 gene of yeast of the genus Pichia Method for the site specific genomic modification of yeasts of the genus Pichia and novel DNA sequences useful therefore are provided. Pichia is transformed with a serially arranged linear DNA fragment comprising first and second insertable DNA fragments,... | 11/24/1992 |
| 5135868 | Cultures of yeast of the genus Pichia altered by site selective genomic modification Method for the site specific genomic modification of yeasts of the genus Pichia and novel DNA sequences useful therefore are provided. Pichia is transformed with a serially arranged linear DNA fragment comprising first and second insertable DNA fragments,... | 08/04/1992 |
| 5122465 | Strains of pichia pastoris created by interlocus recombination A process for the regeneration of a selectable phenotype at a high frequency by interlocus recombination, in yeast cultures transformed with recombinant DNA constructs comprised of a gene whose product complements the selectable phenotype to be regenerate... | 06/16/1992 |
| 5098836 | Deoxygenation in field preparation of polymers in aqueous solution In a process for polymerizing monomers with free-radical initiators in aqueous solution to produce polymers useful in oil field applications, wherein said polymerization process employs an oxygen-scavenging agent, the improvement which comprises employing... | 03/24/1992 |
| 5091448 | Suspending medium for water soluble polymer A new stable liquid suspension of water soluble polymer, and a method of preparation are provided. Such compositions comprise of at least an iso-parrafinic oil medium, one styrene/isoprene copolymer, a water soluble polymer and preferably some hydrophobic... | 02/25/1992 |
| 5004688 | Purification of hepatitis proteins The present invention pertains to a process for recovering hepatitis B surface antigen from recombinant Pichia pastoris cells comprising: (a) lysing said yeast cells in the presence of a buffered chaotropic salt and separating the hepatitis B surface antigen-c... | 04/02/1991 |
| 5002876 | Yeast production of human tumor necrosis factor Novel DNA constructs comprising yeast regulatory regions plus the structural coding region for human tumor necrosis factor, are disclosed. These novel constructs are incorporated into a variety of linear and circular plasmids. Such plasmids are used for y... | 03/26/1991 |
| 4939293 | Sulfonated phenolic material and its use in post primary oil recovery Sulfonated phenolic compounds as well as sulfomethylated phenolic compounds, surfactant systems containing such compound and the use of such surfactant systems in post primary oil recovery are disclosed.... | 07/03/1990 |
| 4929555 | Pichia transformation The present invention provides a method for making whole cells of methylotrophic species of genus Pichia competent for transformation by DNA and a method for transforming with DNA whole cells of such species.... | 05/29/1990 |
| 4885242 | Genes from pichia histidine pathway and uses thereof Novel DNA sequences which code for the production of Pichia histidinol dehydrogenase, phosphoribosyl-ATP-cyclohydrase and phosphoribosyl-ATP-pyrophosphohydratase are provided. Novel constructs including these sequences, as well as transformed organisms th... | 12/05/1989 |
| 4882279 | Site selective genomic modification of yeast of the genus pichia Method for the site specific genomic modification of yeasts of the genus Pichia and novel DNA sequences useful therefor are provided. Pichia is transformed with a serially arranged linear DNA fragment comprising first and second insertable DNA fragments, ... | 11/21/1989 |
| 4879231 | Transformation of yeasts of the genus pichia Process for transforming yeast strains of the genus Pichia is disclosed. Novel yeast strains of the genus Pichia which can be transformed with recombinant DNA material are also disclosed. In addition, a method for isolating functional genes and other func... | 11/07/1989 |
| 4857467 | Carbon and energy source markers for transformation of strains of the genes Pichia Yeast strains are transformed with, and selected for, using DNA fragments encoding a gene function not present in the wild-type yeast strains. The invention requires transforming the yeast with DNA fragments which comprise the gene function which the wild... | 08/15/1989 |
| 4855231 | Regulatory region for heterologous gene expression in yeast Novel DNA sequences which are responsive to the presence of methanol, catabolite non-repressing carbon sources and carbon source starvation are provided. In addition, novel constructs including these DNA sequences, as well as transformed organisms therewi... | 08/08/1989 |
| 4837148 | Autonomous replication sequences for yeast strains of the genus pichia Novel autonomous replication sequences which are capable of maintaining plasmids as extrachromosomal elements in host strains of the genus Pichia are provided. In addition, novel constructs including these DNA sequences, as well as transformed organisms t... | 06/06/1989 |
| 4818700 | Pichia pastoris argininosuccinate lyase gene and uses thereof Novel DNA sequences which code for the production of the Pichia protein argininosuccinate lyase are provided. Novel constructs including these sequences, as well as organisms transformed therewith are provided. In addition, novel strains of Pichia defecti... | 04/04/1989 |
| 4812405 | Double auxotrophic mutants of Pichia pastoris and methods for preparation Processes for the preparation of double auxotrophic mutants of Pichia pastoris are provided, as well as novel double auxotrophic mutant strains produced thereby.... | 03/14/1989 |
| 4808537 | Methanol inducible genes obtained from pichia and methods of use A method for isolating and cloning methanol inducible genes from Pichia is taught. The regulatory regions are useful for the methanol regulated expression of heterologous genes.... | 02/28/1989 |
| 4795708 | Novel backteria and single cell protein production therewith Single cell protein (SCP) is produced at high yields from a novel methanol assimilating Methylomonas sp. grown at elevated temperatures in an aerobic bacterial fermentation process.... | 01/03/1989 |
| 4777242 | Purification of recombinant tumor necrosis factor A method for purifying recombinant tumor necrosis factor from cultures of microorganisms transformed with vectors that code for the production of tumor necrosis factor is disclosed. A sequence of contacting steps is involved, such that the effluent from t... | 10/11/1988 |
| 4748290 | Hydrogenation catalysts and process Novel alumina-supported nickel boride catalysts prepared by the borohydride promoted reduction of nickel arsenate are described. Method of catalyst preparation and process for hydrogenation of acetylenic and diolefinic compounds employing the invention ca... | 05/31/1988 |
| 4743383 | Drilling fluid additives for use in hard brine environments A drilling fluid additive is disclosed which will prevent water loss into subterranean formations during the drilling of oil and gas wells in hard brine environments. The drilling fluid additive comprises a hydrocarbon, an anionic surfactant, an alcohol, ... | 05/10/1988 |
| 4729956 | Stabilized alcohol oxidase compositions and method for producing same Alcohol oxidase is rendered storage stable in dried form by the addition thereto of small amounts of at least one of peroxidase, catalase, hemoglobin, cytochrome c and myoglobin.... | 03/08/1988 |
| 4722541 | Splash and spray suppressor for vehicles Spray reduction means for moving vehicles are provided comprising at least one layer of non-woven fabric bonded to the surface of a backing containing channel means for draining water from the spray reduction means, said backing being capable of supportin... | 02/02/1988 |
| 4716256 | Hydrogenation of dienes Process for the selective hydrogenation of diolefinic compounds to monoolefinic compounds employing catalyst consisting essentially of elemental nickel on an inorganic support in the presence of hydrogen and at least one nitrogen-containing compound is di... | 12/29/1987 |
| 4707465 | Olefin disproportionation and catalyst therefor An improved olefin disproportionation catalyst produced by contacting (a) molybdenum or tungsten oxide supported on inorganic refractory oxide, and (B) a metal dithionite.... | 11/17/1987 |
| 4699962 | Olefin polymerization A process for producing a novel-highly active lanthanide containing catalyst comprising the product produced by reacting a lanthanide hydride, a Lewis acid, and an electron donor ligand with an organoaluminum cocatalyst component and its use in the polyme... | 10/13/1987 |
| 4680351 | Supported polyolefin catalyst components and methods of making and using same A highly active catalyst suitable for the polymerization of olefins and its use are disclosed, said catalyst being prepared by (1) co-comminuting an aluminum halide; at least one electron donor; a Group IVB-VIB transition metal compound; and a support base sel... | 07/14/1987 |
| 4657944 | CO2 -induced in-situ gelation of polymeric viscosifiers for permeability contrast correction A water permeability contrast correction process to improve the sweep efficiency of waterflooding which involves the sequential injection of (1) an optional aqueous preflush slug to adjust connate water salinity, (2) an aqueous thickened slug comprising a... | 04/14/1987 |
| 4650594 | Composition and method for corrosion inhibition A corrosion-inhibiting composition and method of inhibiting corrosion on metal surfaces are described. The composition comprises a reaction product of (a) a first constituent selected from an epoxide having an average of at least about one vicinal epoxide... | 03/17/1987 |
| 4630678 | In-situ formation of polyvalent metal ions for crosslinking polymers within carbonate rock-containing reservoirs A water permeability contrast correction process to improve the sweep efficiency of waterflooding in carbonate-bearing strata which involves a sequential injection of (1) an optional aqueous preflush slug to adjust connate water salinity, (2) a slug of aq... | 12/23/1986 |
| 4629747 | Microbiocidal anionic sequesterants with polyvalent metal cations for permeability correction process A water permeability correction process, and composition therefor, to improve the sweep efficiency of waterflooding which involves the sequential injection of (1) an optional aqueous preflush slug to adjust connate water salinity, (2) an aqueous sequester... | 12/16/1986 |
| 4619898 | Alcohol oxidase from Pichia-type yeasts A new alcohol oxidase is isolated from Pichia-type microorganisms in soluble or crystalline form. The crystalline novel enzyme is isolated by preparing an aqueous fluid containing cells of a Pichia-type microorganism, homogenizing the fluid and separating... | 10/28/1986 |
| 4613484 | Loop reactor settling leg system for separation of solid polymers and liquid diluent Method and apparatus for the separation of solid particulate polymer from liquid diluent comprising the use of one or more accumulator legs to which diluent is supplied, and separated diluent is recycled to the polymerization process.... | 09/23/1986 |
