US2015323710A1PendingUtilityA1

Biooptical and biofunctional properties, applications and methods of polylactic acid films

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Assignee: GREEN BUBBLE TECHNOLOGIES LLCPriority: Jul 22, 2010Filed: Jul 17, 2015Published: Nov 12, 2015
Est. expiryJul 22, 2030(~4 yrs left)· nominal 20-yr term from priority
Inventors:Michael J. RiebelMilton RiebelRyan W. Riebel
G02B 5/02B01D 2257/91B01J 31/061B01D 2257/90B44C 5/04B01J 21/063B01D 53/8668G02B 5/0278B01D 2257/7022B44C 1/24B01D 53/885B01D 2257/708G02B 1/04C02F 2305/10B01J 37/0215B82Y 30/00Y02W10/37B01D 2259/804B01D 2255/802B01D 2255/20707B29C 70/585B01J 35/39
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Claims

Abstract

Biopolymers that may be used in optical applications are provided. Suitable biopolymers include polylactic acid and polylactic acid blends. The polylactic acid may be used with a photocatalyst such as titonium dioxide in some embodiments. In other embodiments, the polylactic acid may incorporate decorative fused recycled particles. Generally, the biopolymer may be used in applications where optical characteristics and/or fire performance are desired.

Claims

exact text as granted — not AI-modified
1 - 15 . (canceled) 
     
     
         16 . A fire safety lighting lens diffuser comprising:
 a diffuser comprising polylactic acid,   wherein the diffuser exhibits a lower smoke index than a lens made from acrylic and no polylactic acid.   
     
     
         17 . The fire safety lighting lens diffuser of  claim 16 , wherein the polylactic acid diffuser further comprises a natural wax. 
     
     
         18 . The fire safety lighting lens diffuser of  claim 16 , wherein the polylactic acid diffuser further comprises a hydrogenated triglyceride additive. 
     
     
         19 . The fire safety lighting lens diffuser of  claim 16 , wherein the polylactic acid diffuser is extruded. 
     
     
         20 . The fire safety lighting lens diffuser of  claim 16 , wherein the polylactic acid diffuser is embossed. 
     
     
         21 - 28 . (canceled) 
     
     
         29 . The fire safety lighting lens diffuser of  claim 16 , wherein the diffuser further comprises an acrylic plastic.

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