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:
Jul. 25, 1989
Filed:
Sep. 19, 1986
Applicant:
Inventors:
J Philip Jones, Sandersville, GA (US);
Jorge E Salinas, Sandersville, GA (US);
Keryn N Geho, Canton, GA (US);
Weyman H Dunaway, Sandersville, GA (US);
Rasik H Raythatha, Tennille, GA (US);
Assignee:
E.C.C. America Inc., Atlanta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ; C09C / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
106446 ; 501146 ; 501147 ; 501150 ; 501148 ; 162135 ; 1621816 ; 1621818 ; 1621817 ; 106463 ; 106464 ; 106468 ; 106484 ; 106485 ; 106486 ;
Abstract
A structured kaolinitic pigment having improved physical and optical characteristics when incorporated as a filler in paper. The pigment is also useful in paper coating applications. The pigment consists of porous aggregates of kaolin particles which are chemically bonded together. The pigment may be produced by chemically reacting a particulate kaolin with a metal chloride, such as silicon tetrachloride. The process is conducted under conditions such that the kaolinite structure is not impaired.