Inventor
GREFENSTEIN ACHIM
DE13 patents
⚠️ This page may combine multiple inventors who share the name “GREFENSTEIN ACHIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONSTANTIA PIRK GMBH & CO KG
7 patentsUS10751979B2Aug 25, 2020
Recyclable polyethylene film
CONSTANTIA PIRK GMBH & CO KG7 citations76
US11235562B2Feb 1, 2022
Recyclable PE packaging film with improved stiffness
CONSTANTIA PIRK GMBH & CO KG0 citations52
US12595101B2Apr 7, 2026
Paper packaging material with improved resuspendability of cellulosic fibres
CONSTANTIA PIRK GMBH & CO KG0 citations42
US12485655B2Dec 2, 2025
Recyclable, easily tearable packaging laminate having a good barrier effect and method for production thereof
CONSTANTIA PIRK GMBH & CO KG0 citations41
US12577023B2Mar 17, 2026
Recyclable paper packaging with high barrier to water vapor and oxygen
CONSTANTIA PIRK GMBH & CO KG0 citations40
US10766236B2Sep 8, 2020
Multilayer sealing film and film laminate comprising a multilayer sealing film
CONSTANTIA PIRK GMBH & CO KG0 citations35
US10611535B2Apr 7, 2020
Film laminate comprising a sealing layer
CONSTANTIA PIRK GMBH & CO KG0 citations35
BASF AG
4 patentsUS6777089B1Aug 17, 2004
Radiation-curable composite layered sheet or film
BASF AG37 citations91
US6589378B2Jul 8, 2003
Process for producing laminated sheets or films and moldings having UV-stability and thermal aging resistance
BASF AG29 citations88
US7351474B2Apr 1, 2008
Pigment preparations
BASF AG11 citations80
US7479322B2Jan 20, 2009
Radiation-curable composite layered sheet or film
BASF AG2 citations61