国家/地区 美国（2） 世界知识产权组织（2）
IPC部 B（3）
IPC大类 C07（3）
IPC小类 C09D（3）
IPC
发明人
公开年 2021（2）
申请年 2021（3）
专利权人

Filled coating formulation for preparing roofing materials, e.g. non-asphaltic roofing shingle, comprises crude tall oil-based continuous phase material, resinous hardening agent, polymer, and filler, e.g. calcium carbonate or quartz.

MERCADO R M L, BOSS D E, CARR K

Low-cost and environment-friendly preparation process of bisphenol S, comprises adding phenol into the reaction kettle, rotating, adding concentrated sulfuric acid with stirring, and reacting.

SUN H, LI S, YAO Z

Producing reversible hemiaminal or aminal gel composition used in 3D printing, involves preparing liquid precursor composition, where liquid precursor composition operable to remain in first liquid state at about room temperature.

BOUL P