Published April 28, 1988 | Version v1
Patent Metadata-only

Color stabilized hydrogel dressing and process

Creators

Description

A polyvinylpyrrolidone (PVP) Silver Sulfadiazine (SSD) hydrogel dressing in which the gel is formed by the use of electron beam (E-Beam) radiation to cross-link the polyvinylpyrrolidone (PVP); in which the color of the hydrogel dressing has been stabilized by the addition thereto of magnesium trisilicate and, optionally but preferably, also hydrogen peroxide and/or polyacrylic acid is disclosed; and also the process of stabilizing the color by adding magnesium trisilicate, to a water dispersion of PVP and SSD before it is exposed to E-Beam radiation is disclosed

Availability note (English)

Available from the Patents Office, Private Bag X400, Pretoria, 0001, South africa.

Additional details

Publishing Information

Imprint Pagination
19 p.
IPC:
Int. Cl. A 61 f.
IPC
Int. Cl. A 61 f.
Patent number
ZA patent document 86/8217/A/

INIS

Country of Publication
South Africa
Country of Input or Organization
South Africa
INIS RN
20007862
Subject category
S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
ACRYLIC ACID; COLOR; CROSS-LINKING; ELECTRON BEAMS; GELS; HYDROGEN PEROXIDE; MAGNESIUM SILICIDES; PVP; RADIATIONS; SILVER; STABILITY; SULFADIAZINE
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; AMIDES; ANTIBIOTICS; AZINES; AZOLES; BEAMS; BLOOD SUBSTITUTES; CARBOXYLIC ACIDS; CHEMICAL REACTIONS; COLLOIDS; DISPERSIONS; DRUGS; ELEMENTS; HETEROCYCLIC COMPOUNDS; HYDROGEN COMPOUNDS; LACTAMS; LEPTON BEAMS; MAGNESIUM COMPOUNDS; METALS; MONOCARBOXYLIC ACIDS; OPTICAL PROPERTIES; ORGANIC ACIDS; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; ORGANIC POLYMERS; ORGANIC SULFUR COMPOUNDS; ORGANOLEPTIC PROPERTIES; OXYGEN COMPOUNDS; PARTICLE BEAMS; PEROXIDES; PHYSICAL PROPERTIES; POLYMERIZATION; POLYMERS; POLYVINYLS; PYRIMIDINES; PYRROLES; PYRROLIDONES; SILICIDES; SILICON COMPOUNDS; SULFONAMIDES; TRANSITION ELEMENTS

Optional Information

Secondary number(s)
US priority 866,541.