The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 15, 2014
Filed:
Aug. 06, 2008
Applicants:
Kevin Adlem, Dorset, GB;
Owain Llyr Parri, Hampshire, GB;
Karl Skjonnemand, Southampton, GB;
David Wilkes, Southampton, GB;
Inventors:
Kevin Adlem, Dorset, GB;
Owain Llyr Parri, Hampshire, GB;
Karl Skjonnemand, Southampton, GB;
David Wilkes, Southampton, GB;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/38 (2006.01); C09K 19/04 (2006.01); C09K 19/30 (2006.01); C09K 19/32 (2006.01); C09K 19/34 (2006.01); C09K 19/42 (2006.01); G02B 5/30 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02F 1/1347 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to novel calamitic mesogenic compounds which are especially suitable for use in birefringent films with negative optical dispersion, to novel liquid crystal (LC) formulations and polymer films comprising them, and to the use of the compounds, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices.