Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b73bb5b611ad02b686a7967bc6ca3412 |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03H1-0244 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24628 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S428-913 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24736 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24802 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24826 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T156-109 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S428-916 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24851 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-249953 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31504 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B42D25-328 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B42D25-328 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B42D25-29 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B42D25-47 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B42D25-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B42D25-30 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09J123-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B42D15-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B42D15-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09J201-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09J7-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B5-124 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B7-02 |
filingDate |
1995-09-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_100534de6027f5248d681d4e08dec721 |
publicationDate |
1997-08-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
EP-0790896-A1 |
titleOfInvention |
Optical security articles and methods for making same |
abstract |
Optical security articles (1) and methods of making same are described comprising a first layer (14) substantially transparent to visible light and having a first refractive index, the first layer having a relief pattern on a first surface (18) thereof and a substantially smooth second surface (16), and an adhesive layer (24) coterminating with the first layer. The adhesive layer substantially completely fills and makes contact with a first portion of the plurality of geometric concavities, the adhesive layer having a second refractive index which is substantially similar to the first refractive index of the first layer. A second portion of the plurality of geometric concavities are precluded from contact with the adhesive layer by a corresponding plurality of separation layers (34), each separation layer having a separation layer refractive index which is different from the refractive index of the first layer. |
priorityDate |
1994-11-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |