Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001140361-12-004217
Filing Date
2012-01-30
Accepted
2012-01-30 13:14:05
Documents
1

Document Format Files

Seq Description Document Type Size
1 NONE doc1.htm SC 13G 64252
  Complete submission text file 0001140361-12-004217.txt   65643
Mailing Address 222 WEST ADAMS CHICAGO IL 60606
Business Address 222 WEST ADAMS ST CHICAGO IL 60606-5312 3122361600
BLAIR WILLIAM & CO/IL (Filed by) CIK: 0000902367 (see all company filings)

EIN.: 362214610 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

Mailing Address 11430 N. COMMUNITY ROAD, SUITE 350 CHARLOTTE NC 28277
Business Address (704) 588-5310
Polypore International, Inc. (Subject) CIK: 0001292556 (see all company filings)

EIN.: 432049334 | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-83091 | Film No.: 12554814
SIC: 2890 Miscellaneous Chemical Products