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. 21, 1998
Filed:
Jul. 03, 1996
Applicant:
Inventors:
Richard P Watts, Diamond Bar, CA (US);
Jack D McNeal, Long Beach, CA (US);
Assignee:
Beckman Instruments, Inc., Fullerton, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01J / ; G02B / ; C08J / ; C08K / ;
U.S. Cl.
CPC ...
2524081 ; 252582 ; 356243 ; 524430 ; 524500 ; 524588 ; 528 15 ; 528 22 ;
Abstract
A non-liquid scatter standard for use in nephelometry and turbidimetry systems which comprises a clear silicon rubber gel in which an effective light scattering amount of inorganic particles are suspended. The particles have an index of refraction greater than that of the silicon rubber gel.