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Forming shaped articles from orientable polymers and polymer microbeads    
United States Patent5141685   
Link to this pagehttp://www.wikipatents.com/5141685.html
Inventor(s)Maier; Larry K. (Rochester, NY); Priebe; Elizabeth K. (Rochester, NY); Lee; Jong S. (Pittsford, NY); Woodgate; Paul E. (Spencerport, NY); Smith; Glenn C. (Kingsport, TN)
AbstractThe present invention relates to a method of forming shaped articles having a continuous phase of an oriented thermoplastic polymer containing cross-linked polymer microbeads at least partially bordered by void space. The thermoplastic polymer in molten form is mixed with a plurality of the crosslinked polymer microbeads, and the mixture is then formed into a shaped article. The article is stretched in at least one direction to orient it. The orienting conditions and the character and quantity of crosslinked polymer microbeads is effective to form voids in the article at least bordering the microbeads on sides thereof in the direction(s) of orientation.



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Drawing from US Patent 5141685
Forming shaped articles from orientable polymers and polymer microbeads - US Patent 5141685 Drawing
Forming shaped articles from orientable polymers and polymer microbeads
Inventor     Maier; Larry K. (Rochester, NY); Priebe; Elizabeth K. (Rochester, NY); Lee; Jong S. (Pittsford, NY); Woodgate; Paul E. (Spencerport, NY); Smith; Glenn C. (Kingsport, TN)
Owner/Assignee     Eastman Kodak Company (Rochester, NY)
Patent assignment
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Publication Date     August 25, 1992
Application Number     07/625,383
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     December 11, 1990
US Classification     264/45.3 264/210.6 264/210.7 264/210.8 264/211 264/288.8 264/290.2 264/290.5 264/537 264/540 264/DIG.7 264/DIG.47
Int'l Classification     B29C 067/24
Examiner     Thurlow; Jeffery
Assistant Examiner    
Attorney/Law Firm     Stevens; John F. Gerlach; Robert A. , Goldman; Michael L. ,
Address
Parent Case     This is a divisional of copending application Ser. No. 07/457,894 filed on Dec. 27, 1989 now U.S. Pat. No. 4,994,312 issued Feb. 19, 1991.
Priority Data    
USPTO Field of Search     264/154 264/41 264/288.8 264/290.2 264/DIG. 7 264/45.3 264/210.6 264/7 264/8 264/9 264/10 264/11 264/12 264/13 264/14 264/15 264/16 264/17 264/18 264/19 264/20 264/21 264/22 264/23 264/24 264/25 264/26 264/27 264/28 264/29 264/30 264/31 264/32 264/33 264/34 264/35 264/36 264/37 264/38 264/39 264/40 264/41 264/42 264/43 264/44 264/45 264/46 264/47 264/48 264/49 264/50 264/51 264/52 264/53 264/54 264/55 264/56 264/57 264/58 264/59 264/60 264/61 264/62 264/63 264/64 264/65 264/66 264/67 264/68 264/69 264/70 264/71 264/72 264/73 264/74 264/75 264/76 264/77 264/78 264/79 264/80 264/81 264/82 264/83 264/84 264/85 264/86 264/87 264/88 264/89 264/90 264/91 264/92 264/93 264/94 264/95 264/96 264/97 264/98 264/99 264/100 264/101 264/102 264/103 264/104 264/105 264/106 264/107 264/108 264/109 264/110 264/111 264/112 264/113 264/114 264/115 264/116 264/117 264/118 264/119 264/120 264/121 264/122 264/123 264/124 264/125 264/126 264/127 264/128 264/129 264/130 264/131 264/132 264/133 264/134 264/135 264/136 264/137 264/138 264/139 264/140 264/141 264/142 264/143 264/144 264/145 264/146 264/147 264/148 264/149 264/150 264/151 264/152 264/153 264/154 264/155 264/156 264/157 264/158 264/159 264/160 264/161 264/162 264/163 264/164 264/165 264/166 264/167 264/168 264/169 264/170 264/171 264/172 264/173 264/174 264/175 264/176 264/177 264/178 264/179 264/180 264/181 264/182 264/183 264/184 264/185 264/186 264/187 264/188 264/189 264/190 264/191 264/192 264/193 264/194 264/195 264/196 264/197 264/198 264/199 264/200 264/201 264/202 264/203 264/204 264/205 264/206 264/207 264/208 264/209 264/210.8 264/211 264/216 264/290.5 264/537 264/540
Patent Tags     forming shaped articles orientable polymers polymer microbeads
   
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