Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-12-23
1999-03-09
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 59, 526277, 526287, C08G 6391
Patent
active
058802169
ABSTRACT:
A polyvinyl alcohol is provided containing structural units of the following formula (I) at a molar fraction of 0.05-0.50 and the structural units of the following formula (II) at a molar fraction of 0.0001 to 0.50; ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and X are as desribed herein, and its use in preparation of gels, particularly hydrogels, effective for use in wound dressing materials.
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Journal of Biomedical Materials Research, vol. 28, pp. 1165-1173, 1994, D. Chakravarthy, et al., "Evaluation of Three New Hydrocolloid Dressings: Retention of Dressing Integrity and Biodegradability of Absorbent Components Attenuate Inflammation".
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J. Invest. Dermatol., vol. 97, No. 3, pp. 586-592, Sep. 1991, Stephen R. Young, et al., Comparison of The Effects of Semi-Occlusive Polyurethane Dressings And Hydrocolloid Dressings On Dermal Repair: 1. Cellular Changes .
Fukunishi Yoshiharu
Tanihara Masao
Kuraray Co. Ltd.
Michl Paul R.
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