Protective skin matrix

Patent 4492685 Issued on January 8, 1985. Estimated Expiration Date:

January 30, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Assignee

Key Pharmaceuticals, Inc.

Application

No. 06/574844 filed on 01/30/1984

US Classes:

424/78.06, Skin burn or open wound treatment514/772.5Heterocyclic monomer

Examiners

Primary: Rose, Shep K.

Attorney, Agent or Firm

Wegner & Bretschneider

International Classes

A61K 9/70 (20060101)
A61K 31/135 (20060101)
A61K 31/415 (20060101)
A61K 31/565 (20060101)

Foreign Application Priority Data

1979-08-14 JP

Abstract

A protective skin matrix is provided which is particularly suited for the protection of burned or wounded patients. The matrix may be either cured, applied in sheets, or painted or sprayed directly onto the burned or wounded patient. The protective skin matrix includes polyvinylpyrrolidone, polyvinylalcohol, and glycerol.

Other References

Peierls Modern Plastics 18:53-56, Feb. 1941, Polyvinyl Alcohol Plastics
Hess et al., Rubber Age 53:431-433, Aug. 1943, Molding Polyvinyl Alcohol
Ita et al. Bulletin Pharm. Research Inst., Osaka Medical College (2) 1-3 (1951) II. "On a New Water-Soluble Ointment"
Hirai Bull. Inst. Chem. Koyoto Univ. 33:21-37 (1955) The Gel-Elasticity of High Polymers
Langhammer et al., Naturwissenschaften 43:125-126 (1956) (PVP-PVA) (PVP-PVA) Nehring Plaste und Kautschuk 3:279-280 (1956)
Ward et al. Amer. Perf. & Cosmetics 79: 53-55 Nov. 1964, The Use of Polyvinyl Alcohol in Film-Forming Bases
Ward et al., J. Soc. Cos. Chem. 15:327-335 (1964) Cosmetic Applications of Polyvinyl Alcohol
Toyoshima, K. "Compatibility of Polyvinyl Alcohol with Other Water-Soluble High Polymers" in Finch et al Ed. (1967?) Polyvinyl Alcohol:Properties & Applications
Ban et al., Pharmazie 29 H9: 597-602, (1974), (PVP-PVA)
Nagy et al. "Formation of Disperse Structures in Polymer Gels" Proc. Int. Conf. Colloid & Surface Science, Budapest, Hungary, Sep. 1775, Wolfram et al. p. 447
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