http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2262848-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d44b532d6aa1bf173c57dad794450202 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_37f4922dfb7777b019e504b885211b8e |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D183-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-0757 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L83-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-14 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D183-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03F7-075 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-10 |
| filingDate | 2009-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6506f796d3828b0b6adcf7791afc2dc2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_980b19f3399807ab36820367d4e18452 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e96490c8552787886a346254ea79d34d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_349d638c6d18476598049432b8061dbe http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5316c89db6d37c975d36f6376f76e958 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_620203a88e40c8fca1315906b80871b4 |
| publicationDate | 2010-12-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-2262848-A1 |
| titleOfInvention | Method for preparing a photo-crosslinkable composition |
| abstract | The invention relates to a photo-crosslinkable composition that can be obtained by a method including the following steps: (a) the hydrolysis and condensation reaction of a [(epoxycycloalkyl)alkyl]-thalkoxysilane in solution in an organo-aqueous medium containing water in an initial water/monomer molar ratio of between 3 and 15, with at least one water-soluble solvent, at a pH of between 1.6 and 4.0, by heating the solution to a temperature of between 50 and 70°C for a duration of between 180 and 350 minutes in order to obtain a solution of an organo-mineral hybrid prepolymer, in which the totality or quasi-totality of the alkoxysilane groups has been hydrolysed, and which comprises in average at least 4 (epoxycycloalkyl)alkyl groups; (b) cooling the polyepoxide prepolymer composition thus obtained down to a temperature of between 15 and 25°C; (c) adding to said composition at least one cationic-polymerisation photo-primer and at least one photosensitiser having a maximum absorption at a wavelength of between 300 and 420 nm, and optionally adding a surfactant; (d) agitating the composition thus obtained for a duration of between 10 and 120 minutes at a temperature of between 15 and 25°C; (e) filtering the composition thus obtained with a filter comprising pores with an average size of between 1 and 5 μm; and (f) storing the liquid filtrate thus obtained at a temperature lower than 0°C, preferably between –20 and –10°C. The invention also relates to the use of such a photo-crosslinkable composition as a negative photosensitive resin in a photolithography process. |
| priorityDate | 2008-04-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 48.