THERMO BIOANALYSIS CORP /DE

Tender offer statement by a third party (amendment)

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

5,7

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

No description available

Annual report pursuant to Section 13 or 15(d)

Tender offer statement by a third party

No description available

No description available

5,7

Tender offer statement by a third party

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

No description available

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)

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

Registration of Securities on Exchange (amendment)

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

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

Annual report pursuant to 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) (amendment)

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

5

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)

No description available

No description available

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

Prospectus Supplement with Pricing Information

Amended Initial Registration Statement

2,7

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

Registration (IPO) statement under Securities Act of 1933

Definitive Proxy Statement

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

Annual report pursuant to Section 13 or 15(d)

No description available

No description available

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

No description available

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

No description available

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 passive holder of more than 5% (Schedule 13G)

2,7

2,7

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

Definitive Proxy Statement

Post-effective amendment to a registration statement

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

Post-effective amendment to a registration statement

Annual report pursuant to Section 13 or 15(d)

Registration (IPO) statement under Securities Act of 1933

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

Prospectus filed under Rule 424(b)(1)

Amended Initial Registration Statement

Registration of Securities on Exchange

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933