Separation, Purification Or Synthesis Patents (Class 530/361)
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Patent number: 9115178Abstract: Embodiments of the present invention are directed to articles of manufacture, devices, methods and apparatus for performing liquid chromatography featuring a chromatographic sorbent having one or more pentafluorophenyl groups, wherein said one or more pentafluorophenyl groups are a bonded phase on a sorbent selected from the group comprising silica, organic polymers or hybrid organic silane material and said pentafluorophenyl groups are in a mono-, bi-, and tridentate forms.Type: GrantFiled: September 24, 2013Date of Patent: August 25, 2015Assignee: Waters Technologies CorporationInventors: Martin Gilar, Ying-Qing Yu, Jennifer Fournier, John E. O'Gara
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Patent number: 8962814Abstract: Fully human monoclonal Abs includes (i) an antigen-binding variable region that exhibits very high binding affinity for IL-1? and (ii) a constant region that is effective at both activating the complement system though C1q binding and binding to several different Fc receptors.Type: GrantFiled: September 2, 2011Date of Patent: February 24, 2015Assignee: XBiotech, Inc.Inventor: John Simard
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Publication number: 20150024430Abstract: The disclosure relates to milk protein nanoparticles produced according to a polymerization method in which at least one protein, which is obtained from milk and which can be thermally plasticized, is plasticized using a plasticizing agent, such as for example, water or glycerol at temperatures between room temperature and 140° C., subjected to mechanical stress and subsequently retreated, for example, in the top down or bottom up method to form nanoparticles.Type: ApplicationFiled: November 12, 2012Publication date: January 22, 2015Inventor: Anke Domaske
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Patent number: 8753607Abstract: The invention relates to methods and kits for the differential diagnosis of Alzheimer's disease (AD) versus frontotemporal dementia (FTD), using biomarkers TNF-?, FAS-L and CK18, taken from a biological sample. Differences in biomarker levels can be used to distinguish between AD and FTD The invention is based on a discovered correlation between FTD and markers FAS-L and CK18. Therefore the invention also relates to the diagnosis of FTD using FAS-L and CK18. The serum concentrations of these biomarkers can further be used as an index of the severity of disease, and may occur in conjunction with clinical-based diagnostic testing and neuro-imaging assessment.Type: GrantFiled: July 19, 2011Date of Patent: June 17, 2014Inventor: Manuela G. Neuman
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Patent number: 8686116Abstract: The present invention relates to a milk fraction obtainable by acidification of micellar casein and separation from precipitated casein named acid soluble protein from micellar casein. It was found that the milk fraction and especially certain sub-fractions thereof are bioactive and promote GLP-1 release in vitro. Based on these results, acid soluble protein from micellar casein may be useful in the treatment and the prevention of diabetes type II, obesity and may further be added to formulas directed at other purposes addressing the gastro-intestinal tract.Type: GrantFiled: October 23, 2009Date of Patent: April 1, 2014Assignee: Nestec S.A.Inventors: Sandrine Gremlich, Lionel Bovetto, Catherine Mace
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Patent number: 8354503Abstract: Process for extracting hydrophobin from a solution wherein carrageenan is added to the solution and the pH of the solution is brought below 3.5, and the ionic strength of the solution is below 0.5.Type: GrantFiled: December 11, 2009Date of Patent: January 15, 2013Assignee: Conopco, Inc.Inventor: Nicholas David Hedges
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Patent number: 8152870Abstract: A method for producing biofuels is provided. A method of making biofuels includes dewatering substantially intact algal cells to make an algal biomass, sequentially adding solvent sets to the algal biomass, and sequentially separating solid biomass fractions from liquid fractions to arrive at a liquid fraction comprising neutral lipids. The method also includes esterifying the neutral lipids, separating a water miscible fraction comprising glycerin from a water immiscible fraction comprising fuel esters, carotenoids, and omega-3 fatty acids. The method also includes obtaining a C16 or shorter fuel esters fraction, a C16 or longer fuel ester fraction, and a residue comprising carotenoids and omega-3 fatty acids. The method includes hydrogenating and deoxygenating at least one of (i) the C16 or shorter fuel esters to obtain a jet fuel blend stock and (ii) the C16 or longer fuel esters to obtain a diesel blend stock.Type: GrantFiled: April 6, 2011Date of Patent: April 10, 2012Assignee: Heliae Development, LLCInventor: Aniket Kale
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Patent number: 7943739Abstract: A method for precipitating casein from a suspension comprising milk is disclosed. The method includes the following steps: adding a phosphate solution to a suspension; mixing the phosphate solution with the suspension to form a mixture having a phosphate concentration greater or equal to 40 mM; freezing the mixture having a phosphate concentration greater or equal to 40 mM to obtain a frozen mixture; and thawing the frozen mixture to obtain casein-containing aggregates in the mixture, in which the phosphate solution is buffered at a pH value of no less than 4.4.Type: GrantFiled: February 20, 2008Date of Patent: May 17, 2011Assignee: Animal Technology Institute TaiwanInventors: Chon-Ho Yen, Shou-Lun Lee, Mei-Yun Chen, Yin-Shen Lin, Xin-Hui Huang, Chen Hwang Shih, Hsiu-Fen Tai
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Patent number: 7838233Abstract: The invention generally provides a method for the sample preparation for a subsequent preparation, processing or analysis method of a sample containing an at least one species of nucleic acid and/or one species of protein, whereby the method comprises the following steps: A) providing a sample which contains at least one species of a nucleic acid and/or of a protein, B) contacting the sample with a fluid or solid composition to produce a fluid sample preparation, whereby the composition contains at least a nitrogenous compound, which is selected from the group consisting of a) polyamines, b) amino acids, and oligo- and polypeptides, c) nitrogenous heterocyclic compounds, including homo-older heteropolymeres, which comprise these nitrogenous compounds, d) amines of the type R1R2NR3, whereby R1, R2 and R3 are chosen independently from one another from the group consisting of H, C1-C5-alkyl groups and aryl groups, whereby R1, R2 and R3 are not H simultaneously, e) carboxylic acid amides, f) inorganic ammonium saType: GrantFiled: April 1, 2006Date of Patent: November 23, 2010Assignee: Qiagen GmbHInventors: Christian Korfhage, Friederike Wilmer, Dirk Löffert, Ralf Himmelreich, Claudia Fritz, Kathleen Rieske
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Patent number: 7741274Abstract: Biologically active peptides that are derived from or are similar to sequences identical with the N-terminus of the oS1 fraction of milk casein. These peptides are capable of stimulating and enhancing immune response, protecting against viral infection, normalizing serum cholesterol levels, and stimulating hematopoiesis. The casein-derived peptides are non-toxic and can be used to treat and prevent immune pathologies, hypercholesterolemia, hematological disorders and viral-related diseases.Type: GrantFiled: September 8, 2006Date of Patent: June 22, 2010Assignee: Peptera Pharmaceuticals Ltd.Inventor: Zvi Sidelman
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Publication number: 20100099607Abstract: Complexes comprising resveratrol and a casein, a process for their manufacture, their uses and compositions comprising them.Type: ApplicationFiled: August 2, 2007Publication date: April 22, 2010Inventor: Chyi-Cheng Chen
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Patent number: 7691976Abstract: An isolated nucleic acid sequence of BRAF35 and polypeptides encoded thereby are provided, as well as a multiprotein complex, and an antibody capable of binding selectively to the BRAF35 protein. Related agents and compositions which modulate interaction between BRCA2 and BRAF35 and methods of their use for screening for the BRCA2 protein, suppressing tumors and identifying DNA damage in cells indicative of a risk for developing cancer are also provided.Type: GrantFiled: November 13, 2001Date of Patent: April 6, 2010Assignee: The Wistar InstituteInventor: Ramin Shiekhattar
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Patent number: 7629442Abstract: The present invention relates to a milk fraction obtainable by acidification of micellar casein and separation from precipitated casein named acid soluble protein from micellar casein. It was found that the milk fraction and especially certain sub-fractions thereof are bioactive and promote GLP-1 release in vitro. Based on these results, acid soluble protein from micellar casein may be useful in the treatment and the prevention of diabetes type II, obesity and may further be added to formulas directed at other purposes addressing the gastro-intestinal tract.Type: GrantFiled: August 30, 2003Date of Patent: December 8, 2009Assignee: Nestec S.A.Inventors: Sandrine Gremlich, Lionel Bovetto, Catherine Mace
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Publication number: 20080299285Abstract: The invention is related to a new process for the preparation of ferri-succinylcasein.Type: ApplicationFiled: November 28, 2006Publication date: December 4, 2008Applicant: VIFOR (INTERNATIONAL) AGInventors: Jurgen Klotz, Stefan Reim, Erik Philipp, Hans-Martin Muller, Peter Geisser
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Patent number: 7432355Abstract: The present invention provides isolated apolipoprotein E (apoE) stable folding intermediates. The invention further provides methods for identifying compounds that alter the structure or level or activity of an apoE stable folding intermediate, as well as methods of inhibiting the formation or activity of stable folding intermediates of apoE. The invention further provides methods for reducing the level and/or activity of an apoE stable folding intermediate, and methods for treating disorders relating to apoE4 in a subject.Type: GrantFiled: July 23, 2003Date of Patent: October 7, 2008Assignee: The J. David Gladstone InstitutesInventors: Karl H. Weisgraber, Julie A. Morrow
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Patent number: 7368293Abstract: HNF-4 (hepatocyte nuclear factor 4) is a protein enriched in liver extracts that binds to sites required for the transcription of the transthyretin (TTR) and apolipoprotein CIII (apoCIII) genes (Costa et al., 1989; Costa et al., 1990; Leff et al., 1989). We have purified HNF-4 protein (54 kD) and isolated a cDNA clone encoding the protein. HNF-4 is a member of the steroid hormone receptor superfamily with an unusual amino acid in the conserved “knuckle” of the first zinc finger (DGCKG). This and the fact that HNF-4 does not bind significantly to estrogen, thyroid hormone or glucocorticoid response elements indicate that HNF-4 may represent a new subfamily. HNF-4 binds to its recognition site as a dimer and activates transcription in a sequence-specific fashion in nonhepatic (HeLa) cells. HNF-4 mRNA is present in kidney and intestine as well as liver but is absent in other tissues.Type: GrantFiled: August 9, 2002Date of Patent: May 6, 2008Assignee: The Rockefeller UniversityInventors: Frances M. Sladek, Weimin Zhong, James E. Darnell, Jr.
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Patent number: 7285638Abstract: The method of obtaining collagen as above, is characterized by this, that the process of cleaning the skins is done manually using tools made of natural materials such as glass and wood to remove from the skins scales, skills and meat tissue so prepared raw material is placed in a solution of lactic acid of 0.1 to 1.5% concentration, obtaining hydration of collagen contained in the skins. The hydration process is carried out in glass containers, in the temperature from 15 to 20° C., for 24 to 48 hours, conducting a running visual control of the process. Next follows an operation of filtration using silk filters of increasing density. By repeated filtering the cell elements, pigments and remains of the acid solution are removed from collagen. The natural silk filters have a structure similar to the structure of collagen, which prevents damage to the collagen structure.Type: GrantFiled: August 9, 2004Date of Patent: October 23, 2007Assignee: 3-Helisa Sp. 2 0.0.Inventors: Jozef Edward Przybylski, Krystyna Siemaszko-Przybylska
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Patent number: 7144855Abstract: The present invention relates to the use of alpha-lactalbumin in the preparation of preparations to be used in therapeutic or prophylactic treatment and/or for diagnostic use for infections, preferably of the respiratory tract, caused by bacteria, in particular S. pneumoniae and/or H. influenzae. The present invention further relates to essentially pure protein complexes comprising alpha-lactalbumin and the use of these protein complexes for therapeutically or prophylactically treating a bacterial infection, especially infections of the respiratory tract caused by S. pneumoniae and/or H. influenzae.Type: GrantFiled: July 11, 2003Date of Patent: December 5, 2006Assignee: Hamlet Pharma ABInventors: Catharina Svanborg, H. Sabharwal
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Patent number: 7026445Abstract: Purified human SDF-5 proteins and processes for producing them are disclosed. DNA molecules encoding the human SDF-5 proteins are also disclosed. The proteins may be used in regulating the binding of Wnt genes to their receptor. In preferred embodiments, the proteins may be used for inducing formation, growth, differentiation, proliferation and/or maintenance of chondrocytes and/or cartilage tissue, and for other tissue repair, such as pancreatic tissue repair.Type: GrantFiled: October 15, 1997Date of Patent: April 11, 2006Assignee: Genetics Institute, LLCInventors: Edward R. LaVallie, Lisa A. Racie, Gary Hattersley
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Patent number: 7026453Abstract: Purification methods are provided for proteins and peptides, employing silicon carbide to bind the proteins or peptides. The methods may also be used to recover and purify recombinantly expressed proteins sequestered in inclusion bodies. The method for purifying a protein or peptide comprises contacting a solution containing the protein or peptide with silicon carbide at a binding pH for the protein or peptide to allow the protein or peptide to bind to the silicon carbide; and eluting the protein or peptide from the silicon carbide.Type: GrantFiled: November 13, 2002Date of Patent: April 11, 2006Assignee: Norgen Biotek CorporationInventor: Yousef Haj-Ahmad
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Patent number: 6921537Abstract: Described herein is a method for removing toxic lipooligosaccharide (LOS) from outer membranes of Gram-negative cocci, such as Neisseria meningitidis. LOS-depleted outer membranes and LOS-depleted soluble outer membrane proteins can be prepared, which are able to elicit bactericidal antibodies against homologous strains of bacteria. Vaccines and other uses of the preparations are further described.Type: GrantFiled: March 5, 2002Date of Patent: July 26, 2005Assignee: WyethInventor: Gary W. Zlotnick
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Patent number: 6884771Abstract: The present invention relates to the discovery of novel genes encoding an angiotensin converting enzyme, Angiotensin Converting Enzyme-2 (ACE-2). The invention provides therapeutics, prognostic and diagnostics methods for treating blood pressure related disorders as well as various types of allergic conditions, among others. Also disclosed are screening assays for identifying compounds for treating and preventing these conditions.Type: GrantFiled: August 9, 2000Date of Patent: April 26, 2005Assignee: Millennium Pharmaceuticals, Inc.Inventors: Susan Acton, Keith E. Robison, Frank Y. Hsieh
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Patent number: 6849593Abstract: Pepetides having bifidogenic properties are obtainable by the process of adding proteases to cow'milk or human milk, followed by incubation, centrifugation, acidification, purification by reverse phase HPLC and cation-exchange HPLC, culturing Bifidobacterium bifidum and E. coli in the presence of collected bifidogenic fractions, and isolation of the peptides having bifidogenic properties, and the isolated peptides can be amidated, acetylated, sulfated, phosphorylated, glycosylated, oxidized, or fragmented and still maintain their bifidogenic properties, and combination peptides having bifidogenic properties are obtainable by chemically bonding the peptides having bifidogenic properties, the amidated, acetylated, sulfated, phosphorylated, glycosylated, oxidized, or fragmented peptides having bifidogenic properties, or combinations thereof.Type: GrantFiled: September 16, 1998Date of Patent: February 1, 2005Assignee: Pharis Biotec GmbHInventors: Wolf-Georg Forssmann, Hans-Dieter Zucht, Cornelia Liepke
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Patent number: 6830917Abstract: The present invention is directed to methods of isolation and purification of Streptomyces griseus trypsin (SGT) from PRONASE protease in a single affinity chromatography step and uses of the purified SGT.Type: GrantFiled: December 10, 2001Date of Patent: December 14, 2004Assignee: Baxter Healthcare S.A.Inventors: Artur Mitterer, Christa Tauer, Manfred Reiter, Wolfgang Mundt
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Patent number: 6800449Abstract: A method is disclosed which provides a high throughput method for assigning plausible functions to unknown sequence entries in a particular database. The method was used herein to identify lectin proteins which can be found in specific tissues of the rice plant.Type: GrantFiled: July 15, 2002Date of Patent: October 5, 2004Assignee: Syngenta Participations AGInventors: Paul A. Haynes, Nancy L. Andon
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Publication number: 20030166866Abstract: A method of processing a proteinaceous material that includes &kgr;-casein macropeptide, the method entailing polymerizing protein present in the proteinaceous material to yield a proteinaceous intermediate, where the proteinaceous intermediate includes polymerized protein, and separating the proteinaceous intermediate to yield a first portion and a second portion, where the first portion includes a majority of the &kgr;-casein macropeptide from the proteinaceous material and the second portion includes a majority of the polymerized protein from the proteinaceous intermediate.Type: ApplicationFiled: January 28, 2002Publication date: September 4, 2003Applicant: Land O' Lakes, Inc.Inventor: Ernest P. Brody
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Patent number: 6599874Abstract: Antibacterial protein complexes designated as Anti-adhesive Lactalbumin Like Protein (ALLP) are obtained by ion-exchange chromatography of casein and alpha-lactalbumin. Casein isolated from human milk by acid precipitation is subjected to ion-exchange chromatography using an NaCl gradient to obtain six fractions. Fraction six contains the antibacterial protein complex and is recovered. Ion-exchange chromatography of human or bovine alpha-lactalbumin using an NaCl gradient resulted in a fraction that was retained and eluted that contained an antibacterial multimeric protein complex. The protein complexes inhibit attachment of S. pneumoniae and H. influenzae to human respiratory tract epithelial cells when tested in vitro, and the protein complexes can be used to treat a bacterial infection in the respiratory tract. The protein complexes are administered in a pharmaceutical composition or in a food or feed-stuff.Type: GrantFiled: August 17, 2000Date of Patent: July 29, 2003Inventors: Catharina Svanborg, H. Sabharwal
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Publication number: 20030125525Abstract: The present invention provides new processes useful for separating whey proteins from whey protein-containing solutions using a novel anion exchanger which comprises a water insoluble, hydrophilic, water swellable, hydroxy (C2-C4) alkylated and cross-linked regenerated cellulose, derivatised with quaternary amino (QA) groups, wherein the level of substitution of the QA groups is 1.4 milli-equivalents per dry gram of anion exchanger (meq/g) or greater.Type: ApplicationFiled: November 22, 2002Publication date: July 3, 2003Inventors: John Stephen Ayers, David Francis Elgar, Kay Patricia Palmano, Mark Pritchard, Ganugapti Bijaya Bhaskar
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Patent number: 6579849Abstract: A peptide having the amino acid sequence H2N—X1—R—X3—X2—COOH (formula I) wherein X1 is either zero or X1 and/or X2 are a residue representing at least five amino acid residues (symbolized in the one letter amino acid code), preferably naturally occurring amino acids, with the proviso that X1 and/or X2 contain at least one basic amino acid residue immediately followed by a hydrophobic amino acid residue and X1 and/or X2 contain at least one glutamine residue.Type: GrantFiled: September 24, 1998Date of Patent: June 17, 2003Assignee: HaemoPep Pharma GmbHInventors: Wolf-Georg Forssmann, Hans-Dieter Zucht, Manfred Raida, Knut Adermann, Hans-Jürgen Mägert
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Patent number: 6555659Abstract: The present invention is related to a method for the purification of glycomacropeptide (GMP) with an amino acid composition containing no greater that 0.5% (w/w) phenylalanine, comprising the steps of contacting a GMP-containing feedstock with a first anion exchanger under conditions to adsorb the GMP, eluting the adsorbed GMP from the anion exchanger and removing impurities from the GMP-containing eluate by either: (i) contacting the GMP-containing eluate with a cation exchanger in conditions under which the impurities in the eluate are adsorbed onto the cation exchanger, or (ii) precipitating the impurities in GMP-containing eluate using conditions in which the GMP remains i solution, or (iii) contacting the GMP-containing eluate with a second anion exchanger in conditions under which the impurities in the eluate are adsorbed onto the anion exchanger, and recovering the GMP from whichever one or more of the steps (i), (ii) or (iii) was used.Type: GrantFiled: July 24, 2000Date of Patent: April 29, 2003Inventors: John Stephen Ayers, Kay Patricia Coolbear, David Francis Elgar, Mark Pritchard
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Patent number: 6506732Abstract: The present invention relates to a mixture of soluble hydrophobic peptides of an enzymatic hydrolysate of milk having skin hydrating properties and percutaneous absorption levels of 4 to 5%. The mixture also exhibits wound healing properties but does not have the allergenicity of the milk-protein. One fraction of the mixture is capable of increasing in vitro the growth rate of cell-cultured keratinocytes by at least 50%. The soluble peptides of the fraction have a molecular weight of about 900 daltons ranging from 200 to 1400 daltons, and an average hydrophobicity of 11 Kcal/mole. The soluble peptides are constituted of 66% hydrophobic amino acids and 17% aromatic amino acids, and have aromatic amino acids and other hydrophobic amino acids located at the C- and N-terminal ending in proportion over 85%. Another fraction is capable of increasing the growth rate of cell-cultured fibroblasts by 37% and the production of collagen by 73%.Type: GrantFiled: January 27, 2000Date of Patent: January 14, 2003Assignee: Universite LavalInventor: Jean Amiot
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Patent number: 6500672Abstract: HNF-4 (hepatocyte nuclear factor 4) is a protein enriched in liver extracts that binds to sites required for the transcription of the transthyretin (TTR) and apolipoprotein CIII (apoCIII) genes (Costa et al., 1989; Costa et al., 1990; Leff et al., 1989). We have purified HNF-4 protein (54 kD) and isolated a cDNA clone encoding the protein. HNF-4 is a member of the steroid hormone receptor superfamily with an unusual amino acid in the conserved “knuckle” of the first zinc finger (DGCKG). This and the fact that HNF-4 does not bind significantly to estrogen, thyroid hormone or glucocorticoid response elements indicate that HNF-4 may represent a new subfamily. HNF-4 binds to its recognition site as a dimer and activates transcription in a sequence-specific fashion in nonhepatic (HeLa) cells. HNF-4 mRNA is present in kidney and intestine as well as liver but is absent in other tissues.Type: GrantFiled: November 22, 1999Date of Patent: December 31, 2002Assignee: The Rockefeller UniversityInventors: Frances M. Sladek, Weimin Zhong, James E. Darnell, Jr.
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Publication number: 20020183489Abstract: The production of GMP in suitable quantities and of suitable quality for supply to the food, pharmaceutical, cosmetic, and other industries, is provided. The overall cheese making is made more efficient by recovering valuable kappa-casein glycomacropeptides from whey in a manner that permits most whey protein to be separated from the whey prior to concentrating and recovering glycomacropeptides from bovine whey. The invention provides procedures working on concentrated micro-filtered deproteinized whey protein (MFDPW) and obtaining a purified residue which can be dried.Type: ApplicationFiled: March 14, 2002Publication date: December 5, 2002Inventors: Martin E. Davis, Fang Ming, Sharyn X. Su, Mengyan Yang, Akimoto Ichinomiya
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Patent number: 6462181Abstract: Improved process for preparing a kappa-caseino glycomacropeptide which comprises adjusting the pH of a solution of a milk starting material to below 4, cold ultrafiltration and concentration of the starting material on a spiral filter. This process is usable in industrial scale without fouling problems and without damaging the usable milk material by-product.Type: GrantFiled: July 21, 2000Date of Patent: October 8, 2002Assignee: Arla Foods AmbaInventors: Hans Henrik Holst, Dereck E. W. Chatterton
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Patent number: 6432407Abstract: A substantially pure, isolated, antigenic protein from fungi of the genus Malassezia, characterized in that said antigenic protein has a binding ability to IgE antibodies from patients with allergoses; an antigenic fragment derived from the antigenic protein; and an antibody against the antigenic protein or fragments thereof. According to the present invention, there can be provided an isolated and purified antigenic protein having high purity from Malassezia, antigenic fragments thereof, and a specific antibody against those antigenic protein or fragments thereof. In addition, there can be provided a diagnostic agent, a therapeutic agent, or a prophylactic drug for Malassezia allergoses, wherein the agent includes, as an active ingredient, the antigenic protein or fragments thereof.Type: GrantFiled: June 12, 1998Date of Patent: August 13, 2002Assignee: Takara Shuzo Co., Ltd.Inventors: Kazutoh Takesako, Takashi Okado, Tomoko Yagihara, Masanobu Kuroda, Yoshimi Onishi, Ikunoshin Kato, Kazuo Akiyama, Hiroshi Yasueda, Hideyo Yamaguchi
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Patent number: 6355253Abstract: Described herein is a method for removing toxic lipooligosaccharide (LOS) from outer membranes of Gram-negative cocci, such as Neisseria meningitidis. LOS-depleted outer membranes and LOS-depleted soluble outer membrane proteins can be prepared, which are able to elicit bactericidal antibodies against homologous strains of bacteria. Vaccines and other uses of the preparations are further described.Type: GrantFiled: June 6, 1995Date of Patent: March 12, 2002Assignee: American Cyanamid CompanyInventor: Gary W. Zlotnick
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Patent number: 6183803Abstract: The present invention relates to methods for separating casein from milk, and for separating from milk proteins that can be associated or entrained within casein micelles, by contacting the milk with a chelating agent to disrupt the casein micelles and reconstituting the micelles by introducing small insoluble inorganic particles.Type: GrantFiled: June 11, 1999Date of Patent: February 6, 2001Assignee: BioSante Pharmaceuticals, Inc.Inventors: Tulin Morcol, Steve J. D. Bell
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Patent number: 6150506Abstract: The present invention relates to modified hemoglobin-like polypeptides containing multiple dialpha (or dibeta) domains. The present invention also relates to multimeric hemoglobin-like proteins comprising covalently joined hemoglobin-like moieties. Another aspect of the inention is directed at a purification method of hemoglobin-like polypeptides utilizing ion exchange chromatography.Type: GrantFiled: August 24, 1998Date of Patent: November 21, 2000Assignee: Baxter Biotech Technology SarlInventors: Stephen P. Trimble, Antony J. Mathews, Bruce A. Kerwin, David A. Marquardt, Spencer Anthony-Cahill, Janet K. Epp, Dominic G. Madril, David C. Anderson
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Patent number: 6121421Abstract: The invention provides a method for isolating a protein, specifically .beta.-casein, recombinantly produced in cells that have been genetically engineered to produce the protein. The method involves forming a paste, homogenate or lysate of the cells following fermentation to produce the protein, and performing a two-stage extraction procedure to isolate of the protein. By this method, recombinantly produces .beta.-casein can be isolated with less complexity and greater efficiency than in previously known methods for its isolation.Type: GrantFiled: August 21, 1998Date of Patent: September 19, 2000Assignee: Abbott LaboratoriesInventors: Ellen M. Schwartz, Harold M. Staack
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Patent number: 6080844Abstract: The present invention involves a process of purifying and recovering a recombinant protein from a suspension of cells. The process of the present invention involves extracting a recombinant protein from a concentrated suspension of cells using a water-miscible organic solvent, isolating the recombinant protein from the suspension of cells, concentrating the recombinant protein to remove the water-miscible organic solvent, precipitating the recombinant protein using an acid, washing the recombinant protein with the salt or free form of a suitable organic acid and recovering the recombinant protein.Type: GrantFiled: April 23, 1998Date of Patent: June 27, 2000Assignee: Abbott LaboratoriesInventors: Ronald E. Carney, Joseph Arndt, Julie R. List, Ellen Marie Schwartz
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Patent number: 6063902Abstract: The present invention relates to ectoparasite histamine releasing factor (HRF) proteins; to ectoparasite HRF nucleic acid molecules, including those that encode such HRF proteins; to antibodies raised against such HRF proteins; and to compounds that inhibit ectoparasite HRF activity. The present invention also includes methods to obtain such proteins, nucleic acid molecules, antibodies, and inhibitory compounds. Also included in the present invention are therapeutic compositions comprising such proteins, nucleic acid molecules, antibodies and/or inhibitory compounds as well as the use of such therapeutic compositions to reduce ectoparasite burden of animals.Type: GrantFiled: January 7, 1998Date of Patent: May 16, 2000Assignee: Heska CorporationInventor: Gary L. Stiegler
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Patent number: 6010844Abstract: There is disclosed the preparation and recovery of proteins, in particular of enzymes, by controlled proteolytic cleavage of pro-proteins, in particular pro-enzymes, in a single method step, wherein a pro-protein-containing solution is contacted with a protease and with a solid carrier which has a higher affinity to the protein than to the pro-protein or to the functionally inactive degradation products thereof, the pro-protein being proteolytically cleaved to said protein, and the protein being selectively separated by absorption on the solid carrier.Type: GrantFiled: November 20, 1996Date of Patent: January 4, 2000Assignee: Baxter AktiengesellschaftInventors: Bernhard Fischer, Artur Mitterer, Friedrich Dorner, Johann Eibl
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Patent number: 5990081Abstract: A substantially endotoxin-free ApoA or ApoE is produced by recombinant DNA technique, suitably in E. coli. Medicaments and methods for treatment of atherosclerosis or cardiovascular diseases employ ApoA or ApoE purified by a process comprising contacting a first aqueous solution comprising ApoA or ApoE and endotoxins with a matrix comprising an immobilized compound with an end group comprising two or three nitrogen atoms bonded to a carbon atom for attaching the endotoxins to the matrix, and subsequently treating the matrix comprising the immobilized compound with a second aqueous solution comprising a surfactant for releasing the ApoA or ApoE while the endotoxins remain attached to the matrix.Type: GrantFiled: August 5, 1998Date of Patent: November 23, 1999Assignee: Esperion Therapeutics, Inc.Inventors: Hans Ageland, Lena Romander
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Patent number: 5968901Abstract: The present invention relates to a use of casein derived from milks, preferably human milk, and porcine milk, for the preparation of a substrate for the prophylactic and/or therapeutic treatment of infections of the respiratory tract caused by S. pneumoniae and/or H. influenzae, as well as the diagnostic use of such compositions for diagnosing infections caused by said bacteria.Type: GrantFiled: June 20, 1997Date of Patent: October 19, 1999Inventors: Bengt Andersson, Gustaf Aniansson, Ragnar Lindstedt, Catharina Svanborg Eden
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Patent number: 5925736Abstract: The invention provides novel methods and compositions for the treatment of immune system-mediated arthritis, including rheumatoid arthritis. The subject compositions comprise one or more different types of collagen or collagen derivatives and a mucosa binding structure. Specific combinations of collagen and/or collagen derivatives may be used to treat specific types of arthritis. The collagen(s) and/or collagen(s) derivatives used in the subject compositions may be either obtained from natural sources or produced by recombinant genetic engineering techniques by chemical modification. Another aspect of the invention is to provide methods for treating various types of arthritis by administering an effective amount of the subject collagen-containing compositions. The methods of the invention involve the oral administration of a collagen or collagens found in a specific tissue, e.g.Type: GrantFiled: May 27, 1998Date of Patent: July 20, 1999Assignee: FibroGen, Inc.Inventors: Thomas Neff, George Martin, Karl A. Piez, Taina Pihlajaniemi, Kari I. Kivirikko
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Patent number: 5883227Abstract: The present invention relates to the diagnosis of multiple sclerosis. More specifically, this invention relates to an assay for detecting antigen(s) associated with multiple sclerosis. The present invention also relates to the generation of hybridomas which produce monoclonal antibodies which are specific for the multiple sclerosis-associated antigens. The present invention's use is in diagnosing multiple sclerosis and in routine follow-up monitoring of multiple sclerosis patients as to disease progression or response to therapy.Type: GrantFiled: October 28, 1996Date of Patent: March 16, 1999Assignees: Molecullar Rx, Inc., Cell Med, Inc.Inventors: Ellis L. Kline, Daniel H. Zimmerman
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Patent number: 5834596Abstract: A process for purifying apolipoprotein A (ApoA) or apolipoprotein E (ApoE), or variants or mixtures thereof, comprises contacting a first aqueous solution comprising ApoA or ApoE and endotoxins with a matrix comprising an immobilized compound with an end group comprising two or three nitrogen atoms bonded to a carbon atom for attaching the endotoxins to the matrix, and subsequently treating the matrix comprising the immobilized compound with a second aqueous solution comprising a surfactant for releasing the ApoA or ApoE while the endotoxins remain attached to the matrix.Type: GrantFiled: July 17, 1997Date of Patent: November 10, 1998Assignee: Pharmacia & Upjohn ABInventors: Hans Ageland, Lena Romander
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Patent number: 5798446Abstract: In the method described, a protein-containing substance is first taken up in an alkaline solvent to give a solution. Insoluble constituents of the substance are separated off, the solution is neutralized and desalinated, and then the proteins contained in the solution are concentrated. The solubilization or disintegration of the protein-containing substance is carried out at room temperature using homogenization equipment. The heat dissipated into the protein-containing substance during homogenization is simultaneously removed. The pH of the alkaline solvent during the decomposition is over 11.5 and/or decomposition is carried out in the presence of a detergent, in particular sodium dodecylsulfate (SDS).Type: GrantFiled: October 16, 1996Date of Patent: August 25, 1998Assignee: Nupron GmbH ProteinwerkInventor: Waldemar Neumuller
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Patent number: 5780593Abstract: A method of isolating a biomolecule from a medium containing biomolecules by ion exchange wherein the ion exchange material consists of a material having ion exchanging groups which can be transformed from a charged form to an uncharged form; the eluant comprises a charge neutralizing acid or base transforming the ion exchanging groups from the charged form to the uncharged form; and the charge neutralizing acid or base has a concentration in the eluant which is twice, preferably equal to or less than the concentration of the ion exchanging groups of the ion exchange material; the ion exchange material being in a packed, hydrated state. Preferably the method is for the isolation of phosphopeptides from a medium containing casein hydrolysates and the use of such isolated biomolecules is for the production of a food, a feed, a health care product, a cosmetic, or a pharmaceutical.Type: GrantFiled: July 12, 1995Date of Patent: July 14, 1998Assignees: Kem-En-Tec A/S, Md Foods AMBAInventors: Allan Otto Fog Lihme, Margit Irene Aagesen, Claus Gammelg.ang.rd-Larsen, Katrine Hvid Elleg.ang.rd
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Patent number: RE44812Abstract: Process for extracting hydrophobin from a solution wherein carrageenan is added to the solution and the pH of the solution is brought below 3.5, and the ionic strength of the solution is below 0.5.Type: GrantFiled: July 30, 2013Date of Patent: March 18, 2014Assignee: Conopco, Inc.Inventor: Nicholas David Hedges