TY  - JOUR
AB  - Many chemical patent specifications use a so‐called ‘Markush formula’ to delimit the invention from the prior art.
VL  - 26
IS  - 2
SN  - 0022-0418
DO  - 10.1108/eb026492
UR  - https://doi.org/10.1108/eb026492
AU  - BOUMAN H.
PY  - 1970
Y1  - 1970/01/01
TI  - DOCUMENTATION NOTE
T2  - Journal of Documentation
PB  - MCB UP Ltd
SP  - 161
EP  - 163
Y2  - 2024/04/25
ER  -