Skip header and go to main content About us Jobs Contact us. Classification Resources. Toggle navigation. Lookup Symbol. Scheme Definition Concordance Search. Search CPC. Curly Brackets. Date Revised. Printable version [PDF]. HATS []. TOYS, e. United States Patent and Trademark Office. Browse By Topic. About This Site. Federal Government. Federal Government Regulations. In this subclass, angiosperms, i. This subclass does not cover materials which affect the growth of a plant solely by supplying nutrients, i.
In this subclass, the following expression is used with the meaning indicated: "plant growth regulators" are those materials which alter the plant through a chemical modification of the plant metabolism, such as auxins.
Biocidal, pest repellant, pest attractant or plant growth regulatory activity of compounds or preparations is further classified in subclass A01P. The detailed information about the C-Sets construction and the associated syntax rules are found in the Definitions.
Attention is drawn to the notes following the title of subclass A01N , which are also applicable to this subclass. In this subclass, activity is classified in all appropriate places. Attention is drawn to cases where the subject of the invention concerns only biocidal, pest repellant, pest attractant or plant growth regulatory activity of chemical compounds or preparations, and the chemical structure, compound, mixture or composition of this subject of the invention is known.
In such cases, classification is made in both subclass A01N and subclass A01P as invention information. In addition, if the chemical structure, compound, mixture or composition or any individual ingredient of a mixture or composition is considered to represent information of interest for search, it may also be classified as additional information. The classification symbols of this subclass are not listed first when assigned to patent documents.
