GB Patent

GB2276170A — Polymeric compounds

Assigned to BTG International Ltd · Expires 1994-09-21 · 32y expired

What this patent protects

The invention provides a physiologically acceptable polymer comprising a backbone to which are attached guanidino groups, the polymer having a minimum molecular weight of 10,000. The invention also extends to foodstuffs and pharmaceutical compositions comprising the physiological…

USPTO Abstract

The invention provides a physiologically acceptable polymer comprising a backbone to which are attached guanidino groups, the polymer having a minimum molecular weight of 10,000. The invention also extends to foodstuffs and pharmaceutical compositions comprising the physiologically acceptable polymer. Such foodstuffs and compositions are of value in controlling phosphate levels in the body. The polymer may be of the polyvinyl-type or cellulose-type, and may be aminated before reaction with (a) 3,5-dimethylpyrazole-1- carboxamidine nitrate, (b) S-methylthiouronium sulphate or (c) O-methyl-pseudourea hydrogen sulphate.

Drugs covered by this patent

Patent Metadata

Patent number
GB2276170A
Jurisdiction
GB
Classification
—
Expires
1994-09-21
Drug substance claim
No
Drug product claim
No
Assignee
BTG International Ltd
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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