According to GlobalData’s company profile on Bank of New York Mellon, corrosion resistant battery packaging was a key innovation area identified from patents. Bank of New York Mellon's grant share as of September 2023 was 90%. Grant share is based on the ratio of number of grants to total number of patents.

A recently filed patent (Publication Number: US20230303821A1) describes a liquid phenolic resin composition that can be used as a binder for refractory articles. The composition is made up of a phenol formaldehyde resin with specific properties. One of the key features of this composition is its low vaporization percentage of phenol, which is measured to be less than 4.1%. This measurement is obtained through a series of steps involving curing the resin, heating it, and quantifying the amount of phenol that vaporizes.

The patent also highlights additional properties that the phenolic resin composition can possess. These properties include a viscosity range of 50-10,000 cPs, a pH range of 7 to less than 11, a nonvolatile content of 65-85 wt. %, and a free formaldehyde content of less than about 0.3 wt. %. These properties contribute to the overall performance and suitability of the composition as a binder for refractory articles.

Furthermore, the patent discusses the molecular weight of the phenol formaldehyde resin, stating that the number average molecular weight (Mn) should be less than 3000 g/mol or the weight average molecular weight (Mw) should be less than 5000 g/mol. Additionally, the polydispersity (Mw/Mn) should be less than 10.

The patent also introduces a variation of the phenolic resin composition that includes a molar ratio of formaldehyde to phenol greater than 1.2 and the presence of one or more vapor suppressants. This variation also undergoes a similar vaporization percentage measurement, which should be less than 4.1%.

The application of the phenolic resin composition is further extended to refractory compositions and refractory articles. These compositions and articles are formed by combining the phenolic resin composition with refractory aggregates and heating them to achieve a certain level of curing. The resulting refractory articles, such as bricks, exhibit sufficient green strength to be handled without falling apart.

Lastly, the patent describes the use of the phenolic resin composition in the formation of ladles for transporting and pouring molten metals. The inner liner of these ladles is formed by stacking bricks made from the phenolic resin composition and carbonizing the resin through heating.

In summary, the filed patent presents a liquid phenolic resin composition with specific properties and low vaporization percentage of phenol. The composition can be used as a binder for refractory articles, including bricks used in ladles for molten metal transportation.

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