ARCO CHEMICAL CO

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

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

No description available

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

No description available

No description available

No description available

No description available

No description available

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

No description available

No description available

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)

No description available

No description available

No description available

No description available

2

Preliminary Proxy Statement

No description available

FILED AS OF DATE: 19980603

Registration statement under Securities Act of 1933

No description available

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

Definitive Proxy Statement

No description available

Prospectus Supplement for Primary Offering

5,7

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

5,7

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 (amendment)

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

5

5,7

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933

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

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

2,7

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

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

5,7

5,7

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

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

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

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

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

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

Annual report pursuant to Section 13 or 15(d)