Patent 6503539 Issued on January 7, 2003. Estimated Expiration Date: February 26, 2019. 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.
Active enamel substances may be used for the preparation of a pharmaceutical or cosmetic composition for healing of a wound, improving healing of a wound, soft tissue regeneration or repair, or for preventing or treating infection or inflammation.
Other References
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