Form 424B3 - Prospectus [Rule 424(b)(3)]:
SEC Accession No. 0001047469-07-002572
Filing Date
2007-04-05
Accepted
2007-04-04 20:02:37
Documents
4

Document Format Files

Seq Description Document Type Size
1 424B3 a2177083z424b3.htm 424B3 1813143
2 G213881.JPG g213881.jpg GRAPHIC 3685
3 G514172.JPG g514172.jpg GRAPHIC 16485
4 G722164.JPG g722164.jpg GRAPHIC 3551
  Complete submission text file 0001047469-07-002572.txt   1852490
Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
PQ CORP (Filer) CIK: 0001329364 (see all company filings)

EIN.: 230972750 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841 | Film No.: 07750293
SIC: 2800 Chemicals & Allied Products

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
Commercial Research Associates, Inc. (Filer) CIK: 0001329366 (see all company filings)

EIN.: 231729766 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-09 | Film No.: 07750302

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
Delpen CORP (Filer) CIK: 0001329367 (see all company filings)

EIN.: 231713239 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-08 | Film No.: 07750301

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
Philadelphia Quartz CO (Filer) CIK: 0001329368 (see all company filings)

EIN.: 231989067 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-07 | Film No.: 07750300

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
Potters Industries Inc. (Filer) CIK: 0001329369 (see all company filings)

EIN.: 221933307 | State of Incorp.: NY | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-06 | Film No.: 07750299

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
PQ Asia Inc. (Filer) CIK: 0001329370 (see all company filings)

EIN.: 510331757 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-05 | Film No.: 07750298

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
PQ Export CO (Filer) CIK: 0001329371 (see all company filings)

EIN.: 231865646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-04 | Film No.: 07750297

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
PQ Holding, Inc. (Filer) CIK: 0001329372 (see all company filings)

EIN.: 232195578 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-03 | Film No.: 07750296

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
PQ International, Inc. (Filer) CIK: 0001329373 (see all company filings)

EIN.: 232249536 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-02 | Film No.: 07750295

Mailing Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312
Business Address 1200 W. SWEDESFORD ROAD BERWYN PA 19312 (610) 651-4200
PQ Systems INC (Filer) CIK: 0001329374 (see all company filings)

EIN.: 231965983 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-137841-01 | Film No.: 07750294