Patent · US Expired

Process photometer

US7321428B2 · kind B2 · utility

8Cited by

14References

25Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Robert N. Hunt · Steubenville, US
Atul Khettry · Wheeling, US
Matthew Vila · Wheeling, US

Key dates

Filing date	Dec 22, 2004
Grant date	Jan 22, 2008
Priority date	—
Expiry date	Sep 28, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG01N2201/084
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A process photometer which includes an insulated and a non-insulated compartment. The insulated compartment is maintained at a relatively constant, elevated temperature. The radiation source, a rotatable filter wheel, a radiation detector, and a means for converting analog output to a digital signal are among the components within the insulated compartment. The non-insulated compartment houses a power supply.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.