Results 31 to 40 of about 1,660,326 (362)

Quality Evaluation of Atractylodis Macrocephalae Rhizoma Based on Combinative Method of HPLC Fingerprint, Quantitative Analysis of Multi-Components and Chemical Pattern Recognition Analysis

open access: yesMolecules, 2021
A method for the quality evaluation of Atractylodis Macrocephalae Rhizoma (AMR) based on high-performance liquid chromatography (HPLC) fingerprint, HPLC quantification, and chemical pattern recognition analysis was developed and validated.
Cheng Zheng   +3 more
doaj   +1 more source

How to measure patent thickets – a novel approach [PDF]

open access: yes, 2009
The existing literature identifies patent thickets indirectly. In this paper we propose a novel measure based on patent citations which allows us to measure the density of patent thickets directly. We discuss the algorithm which generates the measure and
A Jaffe   +15 more
core   +1 more source

Text matching to measure patent similarity

open access: yes, 2018
Research Summary: We propose using text matching to measure the technological similarity between patents. Technology experts from different fields validate the new similarity measure and its improvement on measures based on the United States Patent ...
Sam Arts, B. Cassiman, Juan Carlos Gomez
semanticscholar   +1 more source

Effects of chronic browsing on life‐history traits of an irruptive large herbivore population

open access: yesPopulation Ecology, EarlyView.
This study aimed to determine the relationship between diet quality, body mass, and size (hind foot length), and female reproduction and sought to identify the mechanism by which high density under severe food limitations is maintained. Our results demonstrated that sika deer introduced to Nakanoshima Island have maintained high densities through high ...
Koichi Kaji   +9 more
wiley   +1 more source

The 1967 Patent Law Debate—First-to-Invent vs. First-to-File [PDF]

open access: yes, 1967
United States patent law has traditionally been based on the proposition that the first inventor, not the first person to file a patent application, is the only person entitled to a patent. Nevertheless, the President\u27s Commission on the Patent System
Frost, George E.
core   +3 more sources

A Deep Learning Model for Automatic Citation Document Recommendation in Non-Obviousness Judgment: Using BERT-for-patents and Contrastive Learning

open access: yesJournal of Intellectual Property
Patent laws in various countries stipulate that inventions identical to or easily derivable from prior art lack novelty and non-obviousness, rendering them ineligible for registration. To assess these criteria, prior art searches are conducted.
Dongkun Yoo, Jiheon Han
doaj   +1 more source

Does the political will exist to bring quality-assured and affordable drugs to low- and middle-income countries?

open access: yesGlobal Health Action, 2019
Background: Increased coverage with antiretroviral therapy for people living with HIV in low- and middle-income countries has increased their life expectancy associated with non-HIV comorbidities and the need for quality-assured and affordable non ...
Eduard J. Beck   +11 more
doaj   +1 more source

Essential Oils as Feed Additives—Future Perspectives

open access: yesMolecules, 2018
The inconsistency of phytogenic feed additives’ (PFA) effects on the livestock industry poses a risk for their use as a replacement for antibiotic growth promoters.
Zora Dajić Stevanović   +4 more
doaj   +1 more source

The Patent Quality Control Process: Can We Afford An (Rationally) Ignorant Patent Office? [PDF]

open access: yes, 2008
This paper considers patent granting as a two-tiered process, which consists of patent office examination (public enforcement) and court challenges (private enforcement).
Chiou, Jing-Yuan
core   +3 more sources

Patent citation data in social science research: Overview and best practices

open access: yesJ. Assoc. Inf. Sci. Technol., 2016
The last 2 decades have witnessed a dramatic increase in the use of patent citation data in social science research. Facilitated by digitization of the patent data and increasing computing power, a community of practice has grown up that has developed ...
A. Jaffe, Gaétan de Rassenfosse
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy