There's a guy in India who invented bitumen with plastic, for making roads. He made his patent royality free. https://www.lexology.com/library/detail.aspx?g=4e

There's a guy in India who invented bitumen with plastic, for making roads. He made his patent royality free. https://www.lexology.com/library/detail.aspx?g=4e484f24-4885-4924-bdfb-14666caafcbb https://www.lexology.com/library/detail.aspx?g=4e484f24-4885...