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:
Oct. 31, 1995
Filed:
Jan. 14, 1993
Applicant:
Inventor:
Arthur W Springsteen, Wilmot Center, NH (US);
Assignee:
Labsphere, Inc., North Sutton, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264122 ; 264127 ; 264162 ;
Abstract
A novel highly diffuse, consistent reflectance, non-thermochromic and desirable and waterproof series of color standards of sintered fluorinated long-chain addition polymer doped with appropriate pigments, and a method of fabricating the same involving packing and compression density control of the pigment/polymer mixture and concentration control of the pigment dopant in the pre-sintering steps.