Liquid purification or separation – With means to add treating material – Chromatography
Patent
1987-09-15
1990-01-02
Therkorn, Ernest G.
Liquid purification or separation
With means to add treating material
Chromatography
210188, 210456, 2105101, 55386, B01D 1508
Patent
active
048911330
ABSTRACT:
Liquid chromatography apparatus including a hollow cylinder and a fixed end closure in which the effective useful length of the cylinder is varied through the use of a piston member that slides within the cylinder due to force exerted by a threaded shaft that is connected to a handle. Binding of the piston member in the cylinder is prevented by a ball joint that operatively connects the piston member to the threaded shaft and by a plurality of O-rings located on the piston member that contact the inner wall of the cylinder and tend to prevent tipping of the piston member. Even liquid distribution and filtering is obtained through a 0.5 micron porous sintered stainless steel liquid distribution disk. A smooth inclined surface in combination with an uninterrupted ring provide a trap for bubbles of gas located inside the cylinder. A composite porous segmented sintered liquid distribution disk is also presented that is particularly useful for large scale liquid chromatography as is the method of manufacturing the composite segmented disk.
REFERENCES:
patent: 3024913 (1962-03-01), Edmunds
patent: 3049796 (1962-08-01), Pall
patent: 3487938 (1970-01-01), Patterson
patent: 3510271 (1970-05-01), Emneus
patent: 3539505 (1970-11-01), Lauer
patent: 3966609 (1976-06-01), Godbille
patent: 4061031 (1977-12-01), Grimsrud
patent: 4113627 (1978-09-01), Leason
patent: 4208279 (1980-06-01), Varani
patent: 4350595 (1982-09-01), Gunkel
patent: 4354932 (1982-10-01), McNeil
patent: 4361482 (1982-11-01), Teetz
patent: 4399032 (1983-08-01), Mott
patent: 4469597 (1984-09-01), Mott
patent: 4512897 (1985-04-01), Crowder
patent: 4549584 (1985-10-01), Morin
patent: 4564450 (1986-01-01), Piper
patent: 4582608 (1986-04-01), Ritacco
patent: 4597866 (1986-07-01), Couillard
patent: 4636315 (1987-01-01), Allen
patent: 4675104 (1987-06-01), Rai
Random House Dictionary of the English Language, New York Random House 1966, p. 114.
Cerex Corporation
Therkorn Ernest G.
York Michael W.
LandOfFree
Chromatography apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Chromatography apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chromatography apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1382197