1
Richard J Hovey, Nori Y C Chu, Peter G Piusz, Charles H Fuchsman: Photochromic compounds. American Optical Corporation, Alan H Spencer, August 3, 1982: US04342668 (147 worldwide citation)

Photochromic compounds of the formula ##STR1## wherein one of R.sub.1 and R.sub.2 is halogen or lower alkoxy, and the other is hydrogen, R.sub.3 and R.sub.4 are hydrogen, lower alkyl, lower alkoxy, or halogen and R.sub.5 is an alkyl of 2 to 10 carbons, and their use in lenses are disclosed.


2
Richard J Hovey, Nori Y C Chu, Peter G Piusz, Charles H Fuchsman: Photochromic compounds. American Optical Corporation, Jeremiah J Duggan, Alan H Spencer, Stephen A Schneeberger, July 29, 1980: US04215010 (145 worldwide citation)

Photochromic compounds of the formula ##STR1## wherein one of R.sub.1 and R.sub.2 is halogen or lower alkoxy, and the other is hydrogen, and R.sub.3 and R.sub.4 are hydrogen, lower alkyl, lower alkoxy, or halogen and their use in lenses are disclosed.


3
Lavallee Robert G: Oximeter. American Optical Corporation, March 7, 1972: US3647299 (144 worldwide citation)

An oximeter having a single light-emitting diode structure capable of emitting the three wavelengths required for oximetry and dye dilution measurements. A ring counter causes three semiconductor chips in the device to be energized in sequence. Light is directed toward the blood sample and the refle ...


4
Nori Y C Chu: Photochromic composition resistant to fatigue. American Optical Corporation, Dike Bronstein Roberts Cushman & Pfund, January 19, 1988: US04720356 (120 worldwide citation)

An organic photochromic composition comprising spiro [indoline-2,3'-[3H]-naphth [2,1-b] [1,4] oxazine] dye (spirooxazine dye) and unconventional ultraviolet stabilizers. The ultraviolet stabilizers improve the light fatigue resistance of the spirooxazine (S.O.) dye and will not hinder the photocolor ...


5
John Talley Winthrop: Progressive power ophthalmic lens having a plurality of viewing zone with discontinuous power variations therebetween. American Optical Corporation, Howard R Berkenstock Jr, December 13, 1977: US04062629 (120 worldwide citation)

A progressive power ophthalmic lens is described on which one refractive surface is formed to provide zones at the top and bottom of the refractive surface having constant dioptric focal powers. The two zones having constant dioptric focal power are of different radii of curvature such that a near v ...


6
Donald R Uhlmann, Elias Snitzer, Richard J Hovey, Nori Y C Chu: Stabilized photochromic materials. American Optical Corporation, Kenway and Jenney, January 4, 1983: US04367170 (118 worldwide citation)

Organic photochromic materials comprising a photochromic dye and a resinous material can be stabilized with a protective coating which will protect them from deactivation by exposure to moisture, oxygen, various plastic host materials, reactive chemicals or even normal atmospheric conditions. Useful ...


7
Donald R Uhlmann, Elias Snitzer, Richard J Hovey, Nori Y C Chu, Joseph T Fournier Jr: Stabilized photochromic materials. American Optical Corporation, Jeremiah J Duggan, Alan H Spencer, Stephen A Schneeberger, August 28, 1979: US04166043 (108 worldwide citation)

Organic photochromic materials comprising a photochromic dye and a resinous material can be stabilized with a protective coating which will protect them from deactivation by exposure to moisture, oxygen, various plastic host materials, reactive chemicals or even normal atmospheric conditions. Useful ...


8
Albert R LeBoeuf: Contact lenses containing hydrophilic silicone polymers. American Optical Corporation, Jeremiah J Duggan, Alan H Spencer, April 14, 1981: US04261875 (105 worldwide citation)

Homopolymers and copolymers of compounds according to the formula; ##STR1## wherein R is an alkyl having 1 to 3 carbons, a+b+c+d=e, b=0 to e, c=0 to e, b+c>1, d=0 to 5, e=1 to 100, and Y is an organic group containing at least one >C=C< are hydrophilic as well as exhibiting properties similar to sil ...


9
Zvi Bendat, David A Leggett: Aligner bonder. The American Optical Corporation, Brumbaugh Graves Donohue & Raymond, February 13, 1990: US04899921 (102 worldwide citation)

An aligner bonder for joining parts of a miniature semiconductor component, for example, comprises supports for holding the parts with surfaces facing, positioning provisions for adjusting relative positions and inclinations of the parts and for bringing the facing surfaces together for bonding. A f ...


10
Berkovits Barough V: Single catheter for atrial and ventricular stimulation. American Optical Corporation, Wall Joel, Nealon William C, July 23, 1974: US3825015 (90 worldwide citation)

A single catheter for atrial and ventricular stimulation. A single catheter is disclosed that provides separate electrical stimulation to the atrium and separate electrical stimulation to the ventricle on mutually insulated conductors. All conductors are encapsulated in the single catheter and elect ...