OPTATECH OY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2123
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5312872 Method for preparing a vinyl polymer-polyolefine compositeAug 06, 93May 17, 94[C08J, C08F, B32B]
5300578 Method for preparing a vinyl polymer-polyolefine compositeJan 27, 93Apr 05, 94[C08F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6127589 Process of producing 2,6-dimethylnaphthalene by dehydrocyclizing 1-(p-tolyl)-2-methylbutane and/or 1-(p-toly)-2-methylbutene using a reduced vanadium catalystExpiredSep 15, 98Oct 03, 00[C07C]
5993696 Electrically conductive thermoplastic elastomeric composition and its useExpiredApr 09, 98Nov 30, 99[H01B]
5952534 Manufacturing of 2,6-dimethylnaphthaleneExpiredMar 20, 98Sep 14, 99[C07C]
5854356 Polymers for release films on surfaces containing pressure-sensitive adhesivesExpiredMay 24, 95Dec 29, 98[C08F, C08L]
5164456 Method of preparing a polyolefin-vinyl polymer-compositeExpiredSep 18, 90Nov 17, 92[C08F, B32B]
4990383 Plastic coated steel tube and method for preparing the sameExpiredJun 05, 89Feb 05, 91[F16L, B05D]

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