HAIR STYLING PATENTS FOR 2006 - Patent and Intellectual ...

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US Patent No: 5573755
Sunscreen agents
Hydroxy salts of formula: where M is zinc, copper or a mixture of the two and X denotes anions at
least some of which display ultraviolet absorption over at least a portion of the wavelength range
from 290 to 400 nanometers, their use as sunscreen agents and sunscreen compositions comprising
them together with a cosmetically acceptable vehicle.
US Patent No: 5576016
Solid fat nanoemulsions as drug delivery vehicles
The present invention provides pharmaceutical compositions comprising nanoemulsions of
particles comprising a lipid core which is in a solid or liquid crystalline phase at 25.degree. C,
stabilized by at least one phospholipid envelope, for the parenteral, oral, intranasal, rectal, or
topical delivery of both fat-soluble and water-soluble drugs. Particles have a mean diameter in the
range of 10 to 250 nm. A wide variety of drugs and oxygen transporting perfluorocarbons may be
encapsulated in the particles. In addition to drug delivery vehicles, the invention provides oxygen
transporting blood substitutes, and nanoemulsions for extracorporeal maintenance of tissues prior to
transplantation.
US Patent No: 5586981
Treatment of cutaneous vascular and pigmented lesions
According to the invention, a method is provided for disrupting the targeted lesion in skin, such as
is necessary in treatment of vascular or pigmented lesions. A microplasma is generated in a target
region of skin, the microplasma disrupting the skin ("plasma ablation") to enable removal of the
targeted lesion. The microplasma absorbs radiation energy and expands, creating high pressure in
the surrounding region which causes disruption of the targeted lesion in that region. A beam of
pulsed laser radiation can be used to generate the microplasma by properly controlling the peak
irradiance, the pulse duration and the focal spot size of the beam. The invention enables use of a
laser having small pulse energy. A synchronized laser beam scan device can be used to scan the
beam to provide a highly efficient system for rapid skin treatment.
US Patent No: 5587173
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