Koppers Inc

Sources

• EIA-860M · Nov 4, 2026

  EIA-860M Preliminary Monthly Electric Generator Inventory

  Open license · retrieved Nov 4, 2026

  US federal work — public domain

  Summary only: the source’s license keeps the full record at the source.

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• Wikidata · Nov 4, 2026

  Wikidata — company items (official website, headquarters, description, LEI, stock listing, English Wikipedia link)

  Open license · retrieved Nov 4, 2026

  Source: Wikidata (CC0) · license

  Wikidata:Copyright (https://www.wikidata.org/wiki/Wikidata:Copyright, read 2026-10-22): "All structured data from the main, Property, Lexeme, and EntitySchema namespaces is available under the Creative Commons CC0 License; text in the other namespaces is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply." Wikidata:Licensing (read 2026-10-22): "All structured data (i.e. the main, Property, Lexeme, and EntitySchema namespaces) is released into the public domain under Creative Commons Zero." Access terms that bind us: Wikimedia Foundation User-Agent Policy (read 2026-10-22) "Scripts should use an informative User-Agent string with contact information, or they may be blocked without notice." and "Do not copy a browser's user agent for your bot, as bot-like behavior with a browser's user agent will be assumed malicious."; Wikimedia Foundation API Usage Guidelines v1.0 (2024-08-26) "When using Wikimedia APIs, an operator must: Follow the User-Agent policy ...; Follow rate limiting requests ...; Follow the requirements of the content licenses when republishing downloaded or cached data" and must not "Spread Wikimedia API requests over multiple user agents to hide excessive use by a single operator"; Robot policy (wikitech, read 2026-10-22) "Honor every directive in our robots.txt file.", "When we reply with a 429 Too Many Requests status code respect the delay specified by the Retry-After header", and, Action API rules, "If unauthenticated, keep the concurrency of your requests to 1 at a time, and below 5 requests per second overall." and "if your request takes more than 1 second to serve, please wait 5 seconds before making another request."; Wikidata Query Service User Manual (mediawiki.org, read 2026-10-22) "SPARQL queries can be submitted directly to the SPARQL endpoint with a GET or POST request to https://query.wikidata.org/sparql", "One client (user agent + IP) is allowed 60 seconds of processing time each 60 seconds", "Clients exceeding the limits above are throttled with HTTP code 429. Use Retry-After header to see when the request can be repeated." and "access to the service is limited to 5 parallel queries per IP."

  Summary only: the source’s license keeps the full record at the source.

  View at source →