Celebrity Inventors
Penn Jillette of Penn and Teller fame has patented a "Hydro-Therapeutic Stimulator", which uses a hot tub for stimulation.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
US Patent 5026647 - Selective medium for propionibacterium growth
US Patent Issued on June 25, 1991
Estimated Patent Expiration Date:
May 3, 2010Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
May 3, 2010Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA method and medium for selective growth of Propionibacterium from mixed culture samples is disclosed. The medium comprises a lactic acid source as its primary energy or nutrient source and in combination therewith a small but effective amount of a heavy metal salt to which Propionibacterium is resistant, selected from a group of water-soluble cadmium and arsenic salts.Other References
| InventorsApplicationNo. 518493 filed on 05/03/1990US Classes:435/244, Chemical stimulation of growth or activity by addition of chemical compound which is not an essential growth factor; stimulation of growth by removal of a chemical compound435/42, Process involving micro-organisms of different genera in the same process, simultaneously435/245, Adaptation or attenuation of cells435/253.6Culture media, per seField of Search435/42, Process involving micro-organisms of different genera in the same process, simultaneously435/244, Chemical stimulation of growth or activity by addition of chemical compound which is not an essential growth factor; stimulation of growth by removal of a chemical compound435/245, Adaptation or attenuation of cells435/253.6Culture media, per seExaminersPrimary: Lilling, Herbert J.Attorney, Agent or FirmUS Patent References2143358, 4432998, Preparation of bacteria cultures tolerant to metal ionsIssued on: 02/21/1984 Inventor: Peer4476224, Material and method for promoting the growth of anaerobic bacteria Issued on: 10/09/1984 Inventor: Adler4615978, Bacterial growth medium and method of use Issued on: 10/07/1986 Inventor: Sandine , et al.4732855, Process for preparation of propionic acid Issued on: 03/22/1988 Inventor: Zeikus , et al.4766076, Method and buffered bulk starter media for propagation of useful bacteria Issued on: 08/23/1988 Inventor: Sandine , et al.4888293Adapting bacteria to low pH and high arsenic concentration for use in oxidizing sulfide ores Issued on: 12/19/1989 Inventor: Hackl, et al. Foreign Patent References
International ClassesC12N 001/38C12N 001/36 C12N 001/20 C12R 001/01 |
