The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7987700 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 02, 2011

Filed:

Apr. 17, 2007
Applicant:

Man Singh, New Delhi, IN;

Inventor:

Man Singh, New Delhi, IN;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 11/00 (2006.01); G01N 13/00 (2006.01); G01N 13/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an apparatus (Oscosurvismeter) for measuring osmotic pressure, surface tension, viscosity and conductance. Oscosurvismeter is made of Borosil glass material for measuring osmotic pressure, specific conductance, viscosity and surface tension of solutions. Solutions of different strengths are taken in two cells/compartments, partitioned by semi permeable membrane (SPM), respectively. Concentration gradient makes the solvent move towards concentrated solution to establish equilibrium that measures osmotic pressure. The Oscosurvismeter saves time and material, and enhances accuracy and precision in measurements, the instrument consists of six parts: Survismeter, Osmometer, Electrode, Metallic clamp, Semipermeable membrane (SPM), and High Potential metallic springs. The high accuracies data are noted with the instrument.


Find Patent Forward Citations

Singh, Man. (2011). Apparatus for measuring osmotic pressure, conductance, viscosity and surface tension of liquid solution (U.S. Patent No. 7987700). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7987700

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