French patents

Transport of France reduces dimensional change by using a thin inner liner of Invar. Another patented French system accommodates this change by means of the flexibility of thin metal which is creased. The creases run in two direc tions, and the form of the crossings of the creases is a feature of the system. 

F.P. abbrev. (franzfisisches Patent) French patent (Fusionspunkt, Flieaspunkt) melting point, m.p. 

French patents as a source of information for chemical literature research have undoubtedly been the source of many a headache, if one can judge from the exasperated comments of Worischek 57) and Fleischer 27) nor can any encouragement be offered at this time. French patents list no claims, but provide resumes which summarize their contents. Their only function is to establish a priority date for use in French courts in case of litigation. There is no formal examining procedure, and duplication of patents is not uncommon. Pharmaceutical compositions or medicines cannot be patented under French law, but the processes for manufacturing them are patentable. French patents do not extend to French Morocco, Tunis, Syria, or Lebanon which have separate patent systems. They do, however, extend to the other French colonies. 

German state patent English patent French patent Finnish patent Netherlands patent Indian patent Italian patent Yugoslav patent Norwegian patent Austrian patent Polish patent Russian patent Swedish patent Swiss patent Czech patent Hungarian patent... 

Surprisingly and interestingly, several patents (French Patent 2014689,1968 WO 91/09136,1991) claim enzymatic coupling with a simple phenylglycine salt in water or with amino acid side chains. All of these are without proof, and are very questionable from a theoretical point of view. 

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