6 сентября, 2015 
Pokraskin A literature search on the specified titanate pigments yielded the 22 independent patents listed in Table 6.4. The majority of the patents deal with DR pigments. They cover compositions, processing, and improved properties. The older patents were concerned with ceramic applications, while the newer patents are primarily targeted at improved stability in polymers and paints.
|
Ref. Patent No. |
Inventor |
Company |
Note |
Title |
Date Secondary |
|
|
Rutile Pigments |
||||||
|
6 |
US 1945809 |
Harbert |
Harshaw |
CrSbTi |
Pigment Composition |
02/06/34 |
|
7 |
US 2231829 |
Harbert |
Harshaw |
CrWTi |
Ceramic Pigment |
08/05/41 |
|
8 |
US 2257278 |
Schaumann |
Du Pont |
(Ni, Co, SB, TI)02 |
Process for Colored Titanium Pigments |
09/30/41 |
|
9 |
US 3022186 |
Hund |
Bayer |
Rutile SS |
Mixed Phases with a Rutile or Polyrutile Structure |
02/20/62 |
|
10 |
US 3832205 |
Lowery |
Ferro |
MNbTi |
Pigments of Substantially Ternary System Having Oxides of Columbium and Transitional Elements |
08/27/74 |
|
11 |
US 3956007 |
Modly |
Kewanee |
NiWZnCeMgLiTi Antimony-Free Yellow Pigments and Their Preparation |
05/11/76 |
|
|
12 |
BR 1541979 |
Mansmann |
Bayer |
Rutile nuclei |
Production of Improved Chromium Rutile Pigments |
03/14/79 |
|
13 |
DE 2936746 |
Seitz |
BASF |
Coatings |
Process for the Manufacture of Rutile Mixed Phase Pigments |
03/19/81 |
|
14 |
US 4450012 |
Messer |
Bayer |
Coated |
Flocculation-resistant, Mixed Phase Pigments Having a Rutile Structure, Process for their Preparation, and Their Use |
05/22/84 EP075197 |
|
15 |
US 4844741 |
Knittel |
Lacke&Farben |
0.1-2.0%Mg |
Thermostable Rutile Mixed Phase Pigments |
07/04/89 EP233601 |
|
16 |
US 4917735 |
Rademachers |
Bayer |
Indirect Rotary |
Process for the Production of Rutile Mixed-Phase Pigments |
04/17/90 |
|
17 |
US 4919723 |
Wilhelm |
Bayer |
0.01-0.25%Li |
Rutile Mixed Phase Pigments with Improved Coloristic Properties |
04/24/90 EP318783 |
|
18 |
US 4919726 |
Rademachers |
Bayer |
Direct Rotary |
Process for the Production of Rutile Mixed-Phase Pigments |
04/24/90 |
|
19 |
US 5006175 |
Modly |
Engelhard |
(MnWLiCe)Ti |
High Infra Red Reflecting Brown Rutile Pigment Compositions |
04/09/91 |
|
20 |
US 5108508 |
Rademachers |
Bayer |
Spray Dry |
Rutile Mixed Phase Pigment Microgranulates, a Process for Their Preparation and Their Use |
04/28/92 |
|
21 |
US 5192365 |
Modly |
Engelhard |
CoWLiCeTi |
Buff Rutile Pigment Compositions |
03/09/93 |
|
22 |
EP 415478 |
Aderhold |
Mitsui Mining + |
Sb-doped Sn02 |
Electrically Conductive Rutile Mixed-Phase Pigment, Process for the Manufacture of these Pigments |
01/12/94 |
|
23 |
US 5496404 |
Gaedecke |
BASF |
Prep for rotary |
Process for Preparing Inorganic Pigments of Particular Particle Size |
03/05/96 |
|
Priderite Pigments |
||||||
|
24 |
Br1214361 |
Batchelor |
Harrison Mayer |
Priderite |
Improvements in Pigments |
12/02/70 |
|
Pseudobrookite Pigments |
||||||
|
25 |
US 4036662 |
Rademachers |
Bayer |
PBrookite |
Metal Additions to Pigments of Pseudobrookite-Titanium Dioxide Structure |
07/19/77 |
|
26 |
US 4084984 |
Hund |
Bayer |
PBrookite |
Temperature-Stable Inorganic Yellow Pigments |
04/18/78 |
|
27 |
EP 949202 |
Katamoto |
Toda Kogyo |
PBrookite |
Heat Resistant Yellow Pigment |
10/13/99 |
|
Table 6.4 Patents for Titanate Pigments. |
|
56 I 6 Titanate Pigments: Colored Rutile, Priderite, and Pseudobrookite Structured Pigments |
6.2.1
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