# ARCO CHEMICAL CO — SC 14D1/A

ARCO CHEMICAL CO of NEWTOWN SQUARE, PA filed a SC 14D1/A with the SEC on 1998-06-26. Industry: Industrial Organic Chemicals.

## Filing

- Filed: 1998-06-26
- Form: SC 14D1/A
- Accession: 0000899243-98-001233
- Registrant: ARCO CHEMICAL CO
- CIK: 0000819544
- Industry (SIC): Industrial Organic Chemicals (2860)
- State of incorporation: DE
- Location: NEWTOWN SQUARE, PA

## Filing timeline for this registrant (17)

_Showing 12 of 17 filings._

| Filed | Form |
| --- | --- |
| [1998-07-29](https://search.stillhousedata.com/proxy/0000899243-98-001421) | SC 14D1/A |
| [1998-07-24](https://search.stillhousedata.com/proxy/0000899243-98-001389) | SC 14D1/A |
| [1998-07-20](https://search.stillhousedata.com/proxy/0000899243-98-001366) | SC 14D1/A |
| [1998-07-15](https://search.stillhousedata.com/proxy/0000899243-98-001353) | SC 14D1/A |
| [1998-07-15](https://search.stillhousedata.com/proxy/0000895345-98-000389) | SC 14D9/A |
| [1998-07-06](https://search.stillhousedata.com/proxy/0000895345-98-000384) | SC 14D9/A |
| [1998-07-02](https://search.stillhousedata.com/proxy/0000899243-98-001294) | SC 14D1/A |
| [1998-07-01](https://search.stillhousedata.com/proxy/0000895345-98-000382) | SC 14D9/A |
| 1998-06-26 | SC 14D1/A |
| [1998-06-25](https://search.stillhousedata.com/proxy/0000950130-98-003294) | SC 14D9 |
| [1998-06-24](https://search.stillhousedata.com/proxy/0000899243-98-001210) | SC 14D1 |
| [1998-06-11](https://search.stillhousedata.com/proxy/0000950155-98-000051) | PRE 14C |

## Co-filers (1)

- LYONDELL CHEMICAL CO

## More

- [CIK 819544 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=819544&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000899243-98-001233.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
