Huayi Group's effective invention patent life leaps to the top of the chemical industry.

Science and technology is the first productive force, patent is the protection barrier of science and technology, is one of the core competitiveness of enterprises. According to Choice data, as of February 1, 2020, the top three companies in the chemical industry for the maintenance of valid invention patents are Huayi Group, Yuhua Technology and Sinopec, with the corresponding lifesaers of 1712, 838 and 807, respectively.
It is reported that Huayi Group's main products are methanol, acetic acid, acrylic and esters, coatings, tires, its subsidiary Shanghai Huayi Energy and Chemical Co., Ltd., all of the effective invention patents, the most frequently cited patent is "a synthetic methamphetamine and by-product of carbonate methylene Ester method, patent application number "200610118543", the application date is November 21, 2006, the number of references is 42 times, the maintenance period is 14 years

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also noted that there are 347 companies in the chemical industry, the total number of valid invention patents of these companies is 37,260 years, of which 332 have valid invention patents, and 15 have no valid invention patents. On average, each company has a valid invention patent life of 107.38 years.
, Chinese patents are generally divided into inventions, utility models and designs. According to the definition of the Patent Act, an invention is a new technological solution proposed for a product, method or improvement thereon. The number of valid invention patents reflects the strength of the company's patent assets.
it is known that the valid invention patent system is still in the validity period of the invention patent. That is, the patent for the invention has been granted, is in the protection period, and has not been terminated because the patente did not pay maintenance fees.
is the process of maintaining the validity of a patent after it has been granted. The patent law stipulates that the patente shall pay an annual fee from the year in which the patent is granted to maintain the patent right, otherwise the patent right will expire before the expiration of the term.
valid invention patent maintenance period refers to the sum of all valid invention patent maintenance years. Patent maintenance costs increase with the length of maintenance, and the length of time a patent is maintained depends on the trade-off between the expected benefits of the patent and the cost of patent maintenance.
, the patente pays long-term maintenance fees for patents with high technical and economic value. The stronger the patente's desire to maintain the patent, the higher the value of the patent. Therefore, the distribution of valid invention patent maintenance years reflects the distribution of attributes of the company's patent assets, especially the number of valid invention patents maintained over a long period of time reflects the quality patent assets owned by the company.Belowis the latest ranking of effective invention patents in the chemical industry -Chemical industry single patents cited list: Sinopec first
chemical industry invention patent applications leaderboard: Sinopec first
chemical industry invention patent licensing number leaderboard: Sinopec first
chemical industry invention patent licensing number leaderboard: long-standing new materials first
chemical industry utility new patent applications list: Sinopec First
Chemical Industry Same Number of Patents Ranking: Sinopec First
Chemical Industry Design Patent Application Ranking: Qingdao Jin Wang First
Chemical Industry Effective Invention Patent Ranking: Sinopec First
Chemical Industry Effective Invention Patent Maintenance Years Ranking: Huayi Group First
Chemical Industry Patents Cited Total Number of Times Ranking: Sinopec First
. Chemical industry patent applications total ranking: Sinopec first
total patent licensing ranking: Sinopec first
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