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Figure 1. Comparison of the coverage of PATSTAT (blue) and REGPAT (orange). Main plot: time series of tthe number of patent applications recorded in PATSTAT and REGPAT over the period covered by both databases (1978-2022). Inset: time series of the number of patent applications recorded in PATSTAT over the entire period it covers. Economic complexity and the sustainability transition

Figure 1 Comparison of the coverage of PATSTAT (blue) and REGPAT (orange). Main plot: time series of tthe number of patent applications recorded in PATSTAT and REGPAT over the period covered by both databases (1978-2022). Inset: time series of the number of patent applications recorded in PATSTAT over the entire period it covers. Economic complexity and the sustainability transition

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Table 1. Sections of the IPC and CPC classifications.* ‘Note: the titles of F and Y sections are abbreviated for clarity. The full title of Section F is Economic complexity and the sustainability transition
Table 1. Sections of the IPC and CPC classifications.* ‘Note: the titles of F and Y sections are abbreviated for clarity. The full title of Section F is Economic complexity and the sustainability transition
The identification of environment-related techn ologies within patent classifications The contributions about eco-innovation presented in this review rely mainly on the ENV-TECH classification based on a Y02/Y04S tagging scheme of the CPC and the |] mixture of IPC and CPC codes, which cover a wide range of a wide range technologies related to sustainability objectives, including energy efficiency in buildings, energy generation from renewable sources, sustainable mobility, and smart grids. In response to the increasing attention and concerns about climate change Table 2. CPC Y02/Y04S (2018) tagging scheme. Source: EPO (European Patent Office, 2018).
The identification of environment-related techn ologies within patent classifications The contributions about eco-innovation presented in this review rely mainly on the ENV-TECH classification based on a Y02/Y04S tagging scheme of the CPC and the |] mixture of IPC and CPC codes, which cover a wide range of a wide range technologies related to sustainability objectives, including energy efficiency in buildings, energy generation from renewable sources, sustainable mobility, and smart grids. In response to the increasing attention and concerns about climate change Table 2. CPC Y02/Y04S (2018) tagging scheme. Source: EPO (European Patent Office, 2018).
Table 3: Literature on the relationship between EC and environmenta variables
Table 3: Literature on the relationship between EC and environmenta variables
Table 3 continued from previous page
Table 3 continued from previous page
Table 4: Literature for EC based green products classifications
Table 4: Literature for EC based green products classifications
Table 4 continued from previous page
Table 4 continued from previous page
Table 5: Literature on green technologies
Table 5: Literature on green technologies
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