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Class Information
Number: 73/64.54
Name: Measuring and testing > Liquid analysis or analysis of the suspension of solids in a liquid > Molecular weight
Description: Subject matter wherein the determination is made by measuring the sum of the atomic weight of a molecule"s constituent atoms.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7241620 |
Ultra high molecular weight polyethylene fractions having narrow molecular weight distributions and methods of making and using the same |
Jul. 10, 2007 |
| 6925857 |
Method of determining an average length of reinforcing fiber in a sample of reinforcing fibers |
Aug. 9, 2005 |
| 6868715 |
Method and apparatus for rapid determination of polymer molecular weight |
Mar. 22, 2005 |
| 6840092 |
Method and apparatus for rheometry, and its application to control of polymer manufacture |
Jan. 11, 2005 |
| 6250138 |
Determining fluid bubble point pressure using an adjustable choke |
Jun. 26, 2001 |
| 6114170 |
Reagent for determining the ionic strength and/or the specific weight of aqueous liquids and method |
Sep. 5, 2000 |
| 5858788 |
Reagent for determining the ionic strength and/or the specific weight of aqueous liquids, and method |
Jan. 12, 1999 |
| 5783063 |
Estimation of nucleic acid |
Jul. 21, 1998 |
| 5739423 |
Method for determining thermodynamic and molecular properties in the liquid phase |
Apr. 14, 1998 |
| 5574215 |
Method for determining thermodynamic and molecular properties in the liquid phase |
Nov. 12, 1996 |
| 5348861 |
Device and method for the detection of microorganisms which produce low-molecular-weight metabolites |
Sep. 20, 1994 |
| 5348884 |
Device and method for the detection of microorganisms which produce low-molecular-weight metabolites |
Sep. 20, 1994 |
| 5341672 |
Method for measurement of polymer molecular weight based upon a temperature difference |
Aug. 30, 1994 |
| 5159898 |
Process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine |
Nov. 3, 1992 |
| 5008204 |
Method for determining the compositional distribution of a crystalline copolymer |
Apr. 16, 1991 |
| 4992168 |
Apparatus for fractionally measuring polymers |
Feb. 12, 1991 |
| 4578990 |
Differential pressure capillary viscometer for measuring viscosity independent of flow rate and temperature fluctuations |
Apr. 1, 1986 |
| 4530234 |
Method and system for measuring properties of fluids |
Jul. 23, 1985 |
| 4505149 |
Method and apparatus for determining molecular weight |
Mar. 19, 1985 |
| 4351183 |
Apparatus and method for determining the osmolarity/specific gravity of a solution |
Sep. 28, 1982 |
| 4137753 |
Method and apparatus for monitoring the paraffinicity characterization of hydrocarbon mixtures |
Feb. 6, 1979 |
| 4015462 |
Device and method for the determination of the specific gravity or osmolality of a liquid |
Apr. 5, 1977 |
| 3982422 |
Means for measuring the wax content of waxy oil |
Sep. 28, 1976 |
| 3981183 |
Method and apparatus for measuring a physical property of a fluid material that varies nonlinearly relative to the density of the fluid |
Sep. 21, 1976 |
| 3965723 |
Wax content measuring means |
Jun. 29, 1976 |
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