I want to know the answer to the following question:
When did Richard Tappin Claridge patent asphalt for use in pavement?
All the background I'm provided with is that "Then on 25 November 1837, Richard Tappin Claridge patented the use of Seyssel asphalt (patent #7849), for use in asphalte pavement, having seen it employed in France and Belgium when visiting with Frederick Walter Simms, who worked with him on the introduction of asphalt to Britain.". Is that enough to answer the question?
Answer: yes