CPC Class Codes
B32B 2250/05
5 or more layers
B32B 2250/42
Alternating layers, e.g. AB...
B32B 2307/42
Polarizing, birefringent, f...
B32B 2307/518
bi-axially
B32B 2307/704
Crystalline
B32B 2457/20
Displays, e.g. liquid cryst...
B32B 2551/00
Optical elements
B32B 27/08
of synthetic resin
B32B 27/30
comprising vinyl (co)polyme...
B32B 27/302
comprising aromatic vinyl (...
B32B 27/304
comprising vinyl halide (co...
B32B 27/322
comprising halogenated poly...
B32B 27/36
comprising polyesters
B32B 7/023
Optical properties
G02B 5/0841
comprising organic material...
G02B 5/305
including organic materials...
G02B 5/3083
Birefringent or phase retar...
G02B 6/0046
Tapered light guide, e.g. w...
G02B 6/005
provided by one optical ele...
G02B 6/0055
Reflecting element, sheet o...
G02B 6/0056 :
for producing polarisation ...
G02B 6/0096 :
the lights guides being of ...
G02F 1/133545 :
Dielectric stack polarisers
G02F 1/133615 :
Edge-illuminating devices, ...
G02F 1/13362 :
providing polarized light, ...
Y10S 428/91 :
Product with molecular orie...
Y10T 428/13 :
Hollow or container type ar...
Y10T 428/1352 :
Polymer or resin containing...
Y10T 428/139 :
Open-ended, self-supporting...
Y10T 428/1393 :
Multilayer [continuous layer]
Y10T 428/24322 :
Composite web or sheet
Y10T 428/24942 :
including components having...
Y10T 428/24967 :
Absolute thicknesses specified
Y10T 428/31504 :
Composite [nonstructural la...
Y10T 428/31786 :
Of polyester [e.g., alkyd, ...
Y10T 428/31797 :
Next to addition polymer fr...
Y10T 428/31935 :
Ester, halide or nitrile of...
Y10T 428/31938 :
Polymer of monoethylenicall...
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