EDGAR Filing Documents for 0001140361-12-004217

Form SC 13G - Statement of acquisition of beneficial ownership by individuals

SEC Accession No. 0001140361-12-004217

Filing Date

2012-01-30

Accepted

2012-01-30 13:14:05

Documents

Filing Date Changed

2012-01-30

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)

IRS No.: 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)

IRS No.: 432049334 | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-83091 | Film No.: 12554814
SIC: 2890 Miscellaneous Chemical Products
Assistant Director 6