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- [4] Patenting of chemical inventions. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1997, 213 : 11 - CHAL
- [5] Patenting of chemical inventions. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1997, 214 : 39 - CHAL
- [6] The patenting of biotechnology inventions. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1996, 212 : 35 - CHAL
- [7] Patenting of chemical inventions. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1996, 212 : 34 - CHAL