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

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US Patent No: 4421739
Benzylidene-camphors, processes for their preparation and cosmetic compositions containing them
The invention provides compounds which are particularly valuable for use as the active ingredient
in sun tan lotions and creams and the like. These compounds have the general formula: ##STR1##
in which Y denotes hydrogen or the radical SO.sub.3 H or a salt thereof with an organic or
inorganic base, and Z denotes the radical --CH.sub.2 Br or --CHBrBr or a radical Z' which denotes
the radical --CH.sub.2 I, --CH.sub.2 R, --CHR'R', --CHO or --COOR", in which R denotes --
NR.sub.1 R.sub.2, --N.sup.+ R.sub.1 R.sub.2 R.sub.3, --OR.sub.4, --OCOR.sub.5, --SR.sub.6, --
CN, -COOR" or --SSO.sub.3 Na, in which R.sub.1 and R.sub.2 independently denote hydrogen,
C.sub.1-18 alkyl or hydroxyalkyl, or R.sub.1 and R.sub.2, together with the nitrogen atom to which
they are attached, denote a heterocyclic ring, R.sub.3 denotes C.sub.1-4 alkyl or hydroxyalkyl or
sulphonatopropyl, R.sub.4 denotes hydrogen, alkyl, polyoxyethylene, aryl which is optionally
substituted, menthyl or dialkylaminoalkyl, R.sub.5 denotes alkyl, alkenyl, aryl or a 5 or 6
membered heterocyclic ring which is optionally aromatic, and R.sub.6 denotes hydrogen, alkyl,
carboxyalkyl, aminoalkyl, hydroxyalkyl, aryl or 3-alanyl, R' denotes --OR'.sub.4 or --SR'.sub.6, in
which R'.sub.4 and R'.sub.6 are as defined under R.sub.4 and R.sub.6, respectively, except for
hydrogen, polyoxyethylene, hydroxyalkyl, 3-alanyl and aryl, and R" denotes hydrogen or alkyl,
such that when R denotes N.sup.+ R.sub.1 R.sub.2 R.sub.3, R.sub.1 and R.sub.2 are not hydrogen
and either R.sub.3 denotes sulphonatopropyl, or the compound is in the form of a salt with an
anion, which is SO.sub.4 alkyl, SO.sub.3 aryl, SO.sub.3 alkyl or halogen or an inorganic or organic
acid addition salt thereof when R denotes --NR.sub.1 R.sub.2.
US Patent No: 4463762
Apparatus for obtaining an objective determination of the rate of oxygen utilization in peripheral tissue
Apparatus employing a non-invasive method for objectively determining in vivo, the rate of oxygen
utilization in peripheral tissue by spectral measuring means, containing a light source, a clamp or
tourniquet for occluding a segment of blood in the tissue, means for transmitting the light through
the isolated segment of blood to pick up the spectral values of the oxyhemoglobin for two selected
wavelengths, wherein the rate of reduction of the oxyhemoglobin of the blood as determined at one
wavelength is faster that the rate of reduction of the oxyhemoglobin at the other wavelength, means
for converting the spectral values individually for the two selected wavelengths into current flow,
and means for determining the time-space relationship between the changing spectral values of the
two selected wavelengths, from the moment of occlusion.
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