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.:
Date of Patent:
Apr. 17, 1979
Filed:
Feb. 02, 1977
Randall T Chew, III, Grand Junction, CO (US);
Occidental Oil Shale, Inc., Grand Junction, CO (US);
Abstract
A field instrument for measuring the chemical composition of a solid core sample includes means for forming a smooth surface along the core sample, a light source for illuminating the smoothed surface, a photocell for sensing monochromatic light reflected from the surface of the core sample, means for providing relative movement between the core sample and the photocell, and means for converting the photocell output into a measurement of the amount of a chemical component being analyzed contained in the core sample. To avoid wide variations in measured chemical content, caused by non-uniform distribution of the material being analyzed within the core sample, reflected light is integrated over a selected area of the core sample.