US PATENT SUBCLASS 436 / 171-- .~ Spectrum analysis (e.g., flame photometry, etc.)

US PATENT SUBCLASS 436 / 171
.~ Spectrum analysis (e.g., flame photometry, etc.)

Current as of: June, 1999
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436 /	HD	CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

164	DF	OPTICAL RESULT {6}
171		.~ Spectrum analysis (e.g., flame photometry, etc.)

DEFINITION

Classification: 436/171

Spectrum analysis (e.g., flame photometry, etc.):

(under subclass 164) Processes wherein the basis of chemical analysis is spectral lines or bands.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

303+, and 311+ for heating or combination of a sample and the spectros:graphic analysis of the heated sample.

702, Data Processing: Measuring, Calibrating, or Testing,

22+, for chemical analysis data processing, particularly subclasses 27+ for molecular structure or composition determination.