StartupHistory

An open directory of startups through time

Public records · dated sources
Free to read. Free to reuse.

Company records / coolbrook.com

Coolbrook

Coolbrook (coolbrook.com): 2 changes recorded in its website history since October 2019. Homepage last checked 5 November 2026.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

  1. HeadlineBetween and
    BeforeThe Beginning of a Clean New Industrial Era
    AfterDecarbonizing heavy industries: Bringing the world together to kickstart a Clean New Industrial Era

    Observed on the company’s website; business claims are not independently verified.

    earlier archived pagelater archived pageLink to observation
  2. HiringBetween and

    Added a careers page.

    Observed on the company’s website; business claims are not independently verified.

    earlier archived pagelater archived pageLink to observation

First recorded website

Observed 20 October 2019

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

The new standard in Olefins production | Coolbrook

Coolbrook’s RDR (Roto Dynamic Reactor) cuts CO2 emissions by 66%, increases Ethylene yield by 30%, and pushes the petrochemical industry forward.

archived pageLink to first observation

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

  1. January 2023 – August 2026 · 7 captures · latest observed messagingDecarbonizing heavy industry | Coolbrook

    Decarbonizing heavy industries with RotoDynamic Technology. Join our mission to reduce emissions and revolutionize industrial processes.

    This wording observed 23 August 2026.

    archived page
    Inspect 7 captures in this group
    • 29 January 2023 · The Beginning of a Clean New Industrial Era archived page
    • 5 July 2024 · Decarbonizing heavy industries: Bringing the world together to kickstart a Clean New Industrial Era archived page
    • 8 July 2025 · Decarbonizing heavy industry | Coolbrook archived page
    • 3 August 2025 · Decarbonizing heavy industry | Coolbrook archived page
    • 25 October 2025 · Decarbonizing heavy industry | Coolbrook archived page
    • 15 July 2026 · Decarbonizing heavy industry | Coolbrook archived page
    • 23 August 2026 · Decarbonizing heavy industry | Coolbrook archived page
  2. October 2019 – January 2022 · 3 capturesThe new standard in Olefins production | Coolbrook

    Coolbrook's RDR (Roto Dynamic Reactor) technology eliminates 100% of CO2 emissions in the steam cracking process, the most polluting step in plastic production.

    This wording observed 3 January 2022.

    archived page
    Inspect 3 captures in this group
    • 20 October 2019 · The new standard in Olefins production | Coolbrook archived page
    • 17 January 2021 · The new standard in Olefins production | Coolbrook archived page
    • 3 January 2022 · The new standard in Olefins production | Coolbrook archived page

Cite this record

StartupHistory, “Coolbrook” company record, https://startuphistory.org/c/coolbrook.com

Machine-readable: /c/coolbrook.com.json. How changes are found: method.