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114 results about "Diphenhydramine" patented technology

Diphenhydramine is an antihistamine used to relieve symptoms of allergy, hay fever, and the common cold.

Hyperostosis cold compress paste and preparation method thereof

The invention discloses a hyperostosis cold compress paste which comprises a backing layer, a gel drug layer and an anti-bonding layer, wherein the gel drug layer contains the following raw materials: sodium polyacrylate, carbomer, glycerol, dihydroxyaluminum aminoacetate, tartaric acid, purified water, medical borneol, camphor, diclofenac sodium, menthol, atropa belladonna fluid extract, clove oil, propylene glycol, glycerol, medical azone, diphenhydramine, oleum menthae and capsaicin. The invention also discloses a preparation method for the hyperostosis cold compress paste. The method comprises the following steps: preparing a gel drug and then coating the backing layer with the gel drug by machine so as to form a gel drug layer; covering the gel drug layer with the anti-bonding layer; cutting, puncturing and slicing, thereby acquiring the hyperostosis cold compress paste. No organic solvent is added into the bruise cold compress paste disclosed by the invention; the cold compress paste can be directly coated and does not need to be heated; the technology is simple and no chemical residue exists; the cold compress paste is free from irritability and stimulation, is high in drug loading capacity and moisture retention, has high compatibility with skin, is anti-ageing, has excellent weather fastness and lasting viscidity and can be repeatedly uncovered and pasted.
Owner:四川利佰生物科技有限公司

Diphenhydramine citrate orally disintegrating tablet and preparation method thereof

The invention discloses a diphenhydramine citrate orally disintegrating tablet, the prescription is composed by the following components in mass percent: 19% of diphenhydramine citrate, 45 swung dash 58% of filler, 15 swung dash 25% of disintegrating agent, 4 swung dash 8% of effervescent disintegrant, 0.5 swung dash 1% of lubricant, 1 swung dash 3% glidant, 1 swung dash 2% of sweetner, 0.2swung dash 0.6% aromatic and 0 swung dash 0.5% of surfactant, wherein the filler uses mannitol, or mannitol and lactose or erythritol, the disintegrating agent uses any one of polyplasdone, crosslinking sodium carboxy methyl cellulose and low substitution hydroxyl propyl cellulose together with microcrystalline cellulose, the effervescent disintegrant comprises citric acid and sodium bicarbonate which have the mass ratio of 1 swung dash 2 / 1, the lubricant is magnesium stearate, the glidant is aerosil or talcum powder, the sweetner is aspartame or stevia rebaudianum, the aromatic is the pharmaceutically acceptable essence, and the surfactant is lauryl sodium sulfate; and the invention further discloses a preparation method of the orally disintegrating tablet, which is simple to operate, the cost is low, the obtained product is in accordance with the quality requirement of the orally disintegrating tablet, and has attractive appearance, good taste and stable quality.
Owner:SOUTHWEST UNIV

Rheumatism cold compress paste and preparation method thereof

The invention discloses a rheumatism cold compress paste which comprises a backing layer, a gel drug layer and an anti-bonding layer, wherein the gel drug layer contains the following raw materials: sodium polyacrylate, carbomer, glycerol, dihydroxyaluminum aminoacetate, tartaric acid, purified water, medical borneol, camphor, diclofenac sodium, menthol, atropa belladonna liquid extract, ginger oil, propylene glycol, glycerol, medical azone, diphenhydramine, oleum menthae and capsaicin. The invention also discloses a preparation method for the rheumatism cold compress paste. The method comprises the following steps: firstly, preparing a gel drug, and then coating the backing layer with the gel drug by machine so as to form the gel drug layer, coating the gel drug layer with the anti-bonding layer, cutting, puncturing and slicing, thereby acquiring the bruise cold compress paste. No organic solvent is added into the rheumatism cold compress paste disclosed by the invention; the rheumatism cold compress paste can be directly used for coating and does not need to be heated; the technology is simple and no chemical residue exists; the rheumatism cold compress paste is free from irritability and stimulation, is high in drug loading capacity and moisture retention, has high compatibility with skin, is anti-ageing, has excellent weather fastness and lasting viscidity and can be repeatedly uncovered and pasted; the production cost is lower.
Owner:四川利佰生物科技有限公司

Cold compression patch for traumatic injury and preparation method of cold compression patch

The invention discloses a cold compression patch for traumatic injury. The cold compression patch comprises a back lining layer, a gel medicine layer and an anti-sticking layer, wherein the gel medicine layer comprises the following raw materials: sodium polyacrylate, Carbomer, glycerin, aluminium glycinate, tartaric acid, purified water, medical borneol, camphor, diclofenac sodium, menthol, belladonna liquid extract, cinnamon oil, propylene glycol, medical azone, diphenhydramine and peppermint oil. The invention further discloses a preparation method of the cold compression patch for traumatic injury. A gel medicine is prepared firstly and then applied to the back lining layer by a machine, the gel medicine layer is formed and covered with the anti-sticking layer, and the cold compression patch for traumatic injury is obtained after slitting, punching and slicing. The cold compression patch contains no additive, is directly applied without heating, adopts a simple process, has no chemical residue, is non-allergic and non-irritant, is high in drug loading capacity and moisture retention, well compatible with skin, resistant to aging and weather, lasting in adhesion and lower in production cost, can be torn and pasted repeatedly and facilitates popularization.
Owner:四川利佰生物科技有限公司
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