AU Patent

AU3496789A — Absorbent precipitated silica and compositions based thereon

Assigned to Rhodia Chimie SAS · Expires 1989-11-23 · 36y expired

What this patent protects

The invention relates to an absorbent precipitated silica and to compositions based on a liquid, for example of vitamin type, which is absorbed on this silica. The silica of the invention has the following characteristics: - BET surface area of at least 170 m<2>/g; - oil …

USPTO Abstract

The invention relates to an absorbent precipitated silica and to compositions based on a liquid, for example of vitamin type, which is absorbed on this silica. The silica of the invention has the following characteristics: - BET surface area of at least 170 m<2>/g; - oil uptake of between 220 and 300 ml/100 g; - tamped packing density of at least 0.29; - median particle diameter of between 80 and 150 m; - particle size dispersion index of not more than 0.70.

Drugs covered by this patent

Patent Metadata

Patent number
AU3496789A
Jurisdiction
AU
Classification
—
Expires
1989-11-23
Drug substance claim
No
Drug product claim
No
Assignee
Rhodia Chimie SAS
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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