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:
Dec. 12, 2006
Filed:
Dec. 09, 2004
Harry Owen, Ann Arbor, MI (US);
David J. Strachan, Timonium, MD (US);
Joseph B. Slater, Dexter, MI (US);
James M. Tedesco, Livonia, MI (US);
Harry Owen, Ann Arbor, MI (US);
David J. Strachan, Timonium, MD (US);
Joseph B. Slater, Dexter, MI (US);
James M. Tedesco, Livonia, MI (US);
Kaiser Optical Systems, Ann Arbor, MI (US);
Abstract
A compact Raman/fluorescence probe is capable of collecting spectra from a relatively large spot size as compared to traditional confocal Raman probes. The inventive probe collects spectra from an area or 1 mm or greater, preferably 3–12 mm or more, compared to current instruments which utilize spot sizes on the order of 2–60 microns. The larger spot size facilitates the collection of statistically useful data from inhomogeneous and laser-sensitive samples, among other applications. Potential pharmaceutical applications include tablet dosage level measurements, as well as online and at-line quality-control (QC) monitoring opportunities. Other applications include tablet identification as a forensic tool to identify counterfeit pharmaceutical products; granulation and blend uniformity for improved formulation via better process understanding, and reactor cleanliness validation.