Search within the title, abstract, claims, or full patent document: You can
restrict your search to a specific field using field names.
Use TI= to search in the title, AB= for the
abstract, CL= for the claims, or TAC= for
all three. For example, TI=(safety belt).
Search by Cooperative Patent Classifications (CPCs): These are commonly used to
represent ideas in place of keywords, and can also be entered in a search term box. If
you're searching forseat belts, you could also search for
B60R22/00 to retrieve documents that mention safety belts or body
harnesses. CPC=B60R22 will match documents with exactly this CPC,
CPC=B60R22/low matches documents with this CPC or a child
classification of this CPC.
Keywords and boolean syntax (USPTO or EPO format):
seat belt searches these two words, or their plurals and close
synonyms. 'seat belt' searches this exact phrase, in order.
-seat -belt searches for documents not containing either word.
For searches using boolean logic, the default operator is
AND with left associativity. Note: this means
safety OR seat belt is searched as (safety OR seat)
AND belt. Each word automatically includes plurals and close synonyms. Adjacent
words that are implicitly ANDed together, such as (safety belt),
are treated as a phrase when generating synonyms.
Chemistry searches match terms (trade names, IUPAC names, etc.
extracted from the entire document, and processed from .MOL files.)
Substructure (use SSS=) and similarity (use
~) searches are limited to one per search at the top-level
AND condition. Exact searches can be used multiple times throughout
the search query.
Searching by SMILES or InChi key requires no special syntax. To search by SMARTS, use
SMARTS=.
To search for multiple molecules, select 'Batch' in the 'Type' menu. Enter multiple
molecules separated by whitespace or by comma.
Search specific patents by importing a CSV or list of patent publication or application numbers.
Display advanced search options
Sorry, we couldn't find this patent number.
Search toolsText
Classification
Chemistry
Measure
Numbers
Full documents
Title
Abstract
Claims
All
Any
Exact
NotAdd AND condition
These CPCs and their children
These exact CPCs
Add AND condition
Exact
Exact Batch
Similar
Substructure
Substructure (SMARTS)
Full documents
Claims onlyAdd AND conditionAdd AND condition
Application Numbers
Publication Numbers
EitherAdd AND condition
The classifications are assigned by a computer and are not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the classifications listed.
The CPC classifications are assigned by a computer and are not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the classifications listed.
The F-term classifications are assigned based on a patent family member containing these classification codes.
The F-term classifications are assigned by a computer and are not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the classifications listed.
A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
A61K31/35Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
A61P15/00Drugs for genital or sexual disorders; Contraceptives
A61P15/08Drugs for genital or sexual disorders; Contraceptives for gonadal disorders or for enhancing fertility, e.g. inducers of ovulation or of spermatogenesis
A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
A61P25/00Drugs for disorders of the nervous system
A61P25/28Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
The listed assignees may be inaccurate.
Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.
PCT/CN2002/0002762001-04-232002-04-23
Procedes d'utilisation d'un extrait de puerariae radix, flavone de puerariae radix et preparation contenant une puerarine pour la prevention et le traitement de nouvelles indications