CHEMI TROL CHEMICAL CO

Certification of termination of registration of a class of securities (Section 12(g))

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Annual report pursuant to Section 13 or 15(d) (amendment)

Required Information in Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d) (amendment)

No description available

Annual report pursuant to Section 13 or 15(d)

No description available

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

2,7

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Current report pursuant to Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

5,7

General form for quarterly reports under Section 13 or 15(d)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

General form for quarterly reports under Section 13 or 15(d)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

No description available

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

CANTWELL RONALD W