76 captures
24 Feb 2013 - 28 Mar 2025
Apr
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Jun
14
2016
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2018
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About this capture
COLLECTED BY
Organization:
Internet Archive
The Internet Archive discovers and captures web pages through many different web crawls. At any given time several distinct crawls are running, some for months, and some every day or longer. View the web archive through the
Wayback Machine
.
Collection:
Wide Crawl Number 15: Started Oct 1st, 2016 - Ended May 8th, 2017
Web wide crawl.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20170414204835/http://patents.justia.com/patents-by-us-classification/23
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Patents
Chemistry: physical processes Patents (Class 23)
Chemistry: Physical Processes Patents (Class 23)
Physical processes (Class 23/293R)
Sublimation (Class 23/294R)
Crystallization (Class 23/295R)
Concentration of liquids in liquids (Class 23/306)
Melting out (Class 23/308R)
Agglomerating (Class 23/313R)
Sulfur (Class 23/293S)
Flaking, spraying (Class 23/293A)
Foreign Patent Art Collections
Class-related foreign documents (Class 23/FOR000)
