| Patent Number |
Title Of Patent |
Date Issued |
| 5418043 |
Amorphous silica filler |
May 23, 1995 |
| The amorphous silica has a large apparent specific gravity despite of its BET specific surface area of 200 to 500 m.sup.2 /g, has an oil absorption amount of as small as 50 to 120 ml/100 g, has an agglomeration degree (D1/D0=DA) defined by the ratio of silica elementary particle diameter |
| 5384191 |
Amorphous silica filler |
January 24, 1995 |
| The amorphous silica has a large apparent specific gravity despite of its BET specific surface area of 200 to 500 m.sup.2 /g, has an oil-absorption amount of as small as 50 to 120 ml/100 g, has an agglomeration degree (D1/D0=DA) defined by the ratio of silica elementary particle diameter |
| 5342876 |
Spherical granules of porous silica or silicate, process for the production thereof, and applica |
August 30, 1994 |
| A porous and spherical silica is recovered in high yields from a neutralized product of an alkali silicate obtained by using an acrylamide type polymer as a coagulation growing agent, and the above silica is reacted as a precursor with a metal compound of the Group II of periodic tab |
| 5298234 |
Alumina-silica resin additive |
March 29, 1994 |
| Disclosed is an alumina-silica resin additive consisting of amorphous alumina-silica particles in which a definite cubic or spherical shape is retained in primary particles and the particle sizes of both the primary particles and the secondary particles are controlled to very small value |
| 5266397 |
Amorphous silica-type filler |
November 30, 1993 |
| The amorphous silica has a large apparent specific gravity despite of its BET specific surface area of 20 to 500 m.sup.2 /g, has an oil absorption amount of as small as 50 to 120 ml/100 g, has an agglomeration degree (D1/D0=DA) defined by the ratio of silica elementary particle diameter |
| 5143708 |
Tetracosahedral siliceous particles and process for preparation thereof |
September 1, 1992 |
| Active analcime having a chemical composition comprising 60 to 95% by weight of SiO.sub.2, 0.3 to 20% by weight of Al.sub.2 O.sub.3 and 0.02 to 11% by weight of Na.sub.2 O based on the three components, an X-ray diffraction pattern inherent to analcime and a moisture adsorption of 5 to |
| 5139760 |
Amorphous silica-alumina spherical particles and process for preparation thereof |
August 18, 1992 |
| Disclosed are amorphous silica-alumina spherical particles having a notched surface. The particles have a small specific surface area and a highly controlled hygroscopic property. The spherical particles are obtained by exchanging at least a part of an alkali metal ion of a P-type zeolit |
| 5049365 |
Process for treating air containing hydrocarbon vapor with a composite adsorbent material |
September 17, 1991 |
| Disclosed is a composite adsorbent consisting of a molded body of a homogeneous mixture comprising powdery active carbon and hydrous alumina of the pseudoboehmite type. This composite adsorbent has high mechanical strength and abrasion resistance. This composite adsorbent is excellent in |
| 5013709 |
Pressure-sensitive recording paper and color developer therefor |
May 7, 1991 |
| Disclosed is a color developer for a pressure-sensitive recording paper, which comprises an acid-treated smectite clay mineral having a specific chemical composition, an X-ray diffraction pattern peculiar to dioctahedral smectite, a specific solid NMR spectrum and a specific cation e |
| 4963519 |
Composite adsorbent |
October 16, 1990 |
| Disclosed is a composite adsorbent consisting of a molded body of homogeneous mixture comprising powdery active carbon and hydrous alumina of the pseudoboehmite type. This composite adsorbent has high mechanical strength and abrasion resistance. This composite adsorbent is excellent in |
| 4626290 |
Inorganic filler and process for production thereof |
December 2, 1986 |
| An inorganic filler composed of a modified montmorillonite group clay mineral and having an X-ray diffraction pattern inherent to montmorillonite, an oil absorption of at least 100 ml/100 g and a Hunter whiteness of at least 80%. The modified clay mineral is produced by reacting a cl |
