Class: Extraction/Preservation (156)
Patent Number: 6960446
fetal liver kinase 2 (flk-2) is expressed on numerous types of stem cells. This patent covers isolation of cells expressing this marker using either a monoclonal or polyclonal antibody. The patent has 1 independent claim which essentially covers the subject matter previously mentioned. The importance of flk-2 on hematopoietic stem cells was published by the author (Matthews W, et al. A...
Inventor: Lemischka, Ihor R. (Princeton, NJ)
Assignee: The Trustees of Princeton University (Princeton, NJ)
Date of First Priority Issue: Monday February 4th, 1991
Patent Number: 5837539
This patent covers the use of specific antibodies for the isolation and detection of mesenchymal stem cells. The antibodies are deposited at ATCC and can be purchased publically.
Inventors: Caplan, Arnold I. (Cleveland Heights, OH); Haynesworth, Stephen E. (Cleveland Heights, OH)
Assignee: Osiris Therapeutics, Inc. (Baltimore, MD)
Date of First Priority Issue: Friday November 16th, 1990
Patent Number: 5641622
This patent covers the use of continuous flow centrifuges and various systems for purification of homogeneous cells from a heterogeneous population. This patent may be useful for purifying stem cells from blood based on weight and other physical characteristics.
Inventors: Lake, William C. (Laguna Niguel, CA); Giesler, Richard (Deerfield, IL); Epps, Dennis Van (Cary, IL); Chapman, John R. (Lake Villa, IL); Martinson, Jeffrey A. (Mundelein, IL); Ellis, Dale R. (Wonder Lake, IL); Aono, Frederick (Arlington Heights, IL); Bisch
Assignee: Baxter International Inc. (Deerfield, IL)
Date of First Priority Issue: Thursday September 13th, 1990
Patent Number: 5206345
This patent covers a molecule associated with adhesion of cells to the endothelium that is induced by IL-4 and TNF and is recognized by the antibody 6G10 .
This molecule may be important in order to alter migration not only of stem cells but also in situations where migration of cells is sought to be avoided such as cancer.
Inventors: Masinovsky, Boris (Bellevue, WA); Gallatin, William M. (Mercer Island, WA); Simmons, Paul J. (Seattle, WA)
Assignee: Fred Hutchinson Cancer Research Center (Seattle, WA)
Date of First Priority Issue: Thursday August 2nd, 1990
Patent Number: 5840580
This patent covers the combination of various phenotypic markers for the extraction of hematopoietic stem cells. For example, CD34+, CD38-, HLA-DR- is one phenotype of hematopoietic stem cell described.
Inventors: Terstappen, Leon W. (Huntingdon Valley, PA); Loken, Michael R. (Mercer Island, WA); Huang, Shiang (San Ramon, CA); Olweus, Johanna (Fremont, CA); Lund-Johansen, Fridtjof (Fremont, CA)
Assignee: Becton Dickinson and Company (Franklin Lakes, NJ)
Date of First Priority Issue: Tuesday May 1st, 1990
Patent Number: 5643741
This patent covers the identification of human hematopoietic stem cells by seeking out cells that express the markers CD34 and Thy1.
Inventors: Tsukamoto, Ann (Palo Alto, CA); Baum, Charles M. (Mountain View, CA); Aihara, Yukoh (Yokohama, JP); Weissman, Irving (Palo Alto, CA)
Assignee: Systemix, Inc. (Palo Alto, CA)
Date of First Priority Issue: Friday March 30th, 1990
Patent Number: 5171527
This patent provides a medical device for rapidly extracting cord blood from an umbilical cord. This may be useful for collection of cord blood stem cells, which is a common practice in current medicine.
Inventors: Knippscheer, Hermann (Baldwin, NY); Richard, Daniel D. (Sedona, AZ)
Assignee: Cryo-Cell International, Inc. (Baldwin, NY)
Date of First Priority Issue: Friday January 26th, 1990
Patent Number: 5580777
This patent covers neural stem cells that have been immortalized with c-myc or n-myc. These cells are useful not only for in vitro study and drug discovery, but also for therapy if differentiated properly so as to not possess malignant potential.
The owner of the patent, Amrad, possesses numerous powerful patents in the area of stem cells.
Inventors: Bernard, Ora (North Balwyn, AU); Bartlett, Perry F. (North Carlton, AU)
Assignee: Amrad Corporation Limited (AU)
Date of First Priority Issue: Wednesday December 28th, 1988
Patent Number: 6436701
This patent covers methods of generating stem cells, embryonic stem cells from ungulate species. This technology may be useful not only for veterinary applications, but also for generating large quantities of cytoplasm with "dedifferentiating" ability that may be used for various regenerative purposes in humans...many of the cytoplasmic factors in embryonic stem cells that induce...
Inventors: Evans, Martin John (Cambridge, GB); Moor, Robert Michael (Babraham, GB); Notaranni, Elena (Cambridge, GB)
Assignee: Babraham Institute (Cambridge, GB)
Date of First Priority Issue: Monday September 12th, 1988
Patent Number: 6007978
This patent covers methods of freeze-drying various cells, including stem cells.
Inventors: Goodrich, Jr., Raymond P. (Pasadena, CA); Coker, Samuel O. S. (South Pasadena, CA); Arnaud, Francoise (Pasadena, CA); Hackett, Roger W. (Pasadena, CA)
Assignee: COBE Laboratories, Inc. (Lakewood, CO)
Date of First Priority Issue: Wednesday May 18th, 1988