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US 5,182,269 AGranted
Composition for topical use having hair stimulating, anti-dandruff and anti-seborrhoic activity
AssigneeCrinos Industria Farmacobiologica S.p.A.
InventorGiovanni Gazzani
Life of this patent
Estimating the term…
Abstract
Depolymerized deoxyribonucleic acid containing weight amounts of purine and pyrimidine bases such that the related molar ratio purinea/pyrimidines is comprised within a determined range and having moreover molecular weights limited to a determined range of values of less than 100,000 are endowed with remarkable hair stimulating activity.
Claims11
A method for stimulating the growth of hair which comprises applying to the scalp of a patient a hair-growth stimulating amount of a depolymerized deoxyribonucleic acid having the following analytical composition:
- ______________________________________ molecular weight 180,000-20,000 Daltons total nitrogen 13-15% total phosphorus 8-9.6 % deoxyribose 17-24% adenine 8-10% guanine 7-9.5% cytosine 5.5-7.5% thymine 8-11% ##STR8## 0.87-1.01% ______________________________________
- the percentage data being on dry basis.
Dependencies are inferred from the claim text.