Practice free →
Home › CBSE Class 12 (Science) › Chemistry › Polymers › In which year was Baekeland's patent for his phe…

In which year was Baekeland's patent for his phenol-formaldehyde product granted?

A1909
B1872
C1925
D1939
Answer & Solution
Correct answer: A. 1909
The patent was filed in 1907 and granted on 7 December 1909.
Solve this in the app — CBSE Class 12 (Science) practice & 24k+ MCQs →
Related questions