WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Options
Query Language
Stem
Sort by:
List Length
Some content of this application is unavailable at the moment.
If this situation persist, please contact us atFeedback&Contact
1. (WO2018178584) ETHYL CELLULOSE FILMS, PREPARATION OF SAME AND DOUBLE-BASE PROPELLANT BLOCKS COMBUSTION-INHIBITED WITH SUCH FILMS
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/178584 International Application No.: PCT/FR2018/050783
Publication Date: 04.10.2018 International Filing Date: 29.03.2018
IPC:
C08L 1/28 (2006.01) ,C06B 21/00 (2006.01) ,C08K 5/21 (2006.01)
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
L
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
1
Compositions of cellulose, modified cellulose, or cellulose derivatives
08
Cellulose derivatives
26
Cellulose ethers
28
Alkyl ethers
C CHEMISTRY; METALLURGY
06
EXPLOSIVES; MATCHES
B
EXPLOSIVE OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
21
Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
K
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5
Use of organic ingredients
16
Nitrogen-containing compounds
21
Urea; Derivatives thereof, e.g. biuret
Applicants: EURENCO[FR/FR]; 30 avenue Carnot 91300 MASSY, FR
Inventors: CUVELIER, Sébastien; FR
BOUTIER, Pascal; FR
BRU, Eric; FR
Agent: LE ROUX, Martine; FR
HUBERT, Philippe; FR
CHANTRAINE, Sylvie; FR
HART-DAVIS, Jason; FR
MARRO, Nicolas; FR
MENA, Sandra; FR
MENDELSOHN, Isabelle; FR
NEVANT, Marc; FR
Priority Data:
17 0034630.03.2017FR
Title (EN) ETHYL CELLULOSE FILMS, PREPARATION OF SAME AND DOUBLE-BASE PROPELLANT BLOCKS COMBUSTION-INHIBITED WITH SUCH FILMS
(FR) FILMS D'ETHYLCELLULOSE, LEUR PRÉPARATION ET BLOCS DE PROPERGOL DOUBLE-BASE INHIBES EN COMBUSTION AVEC DE TELS FILMS
Abstract:
(EN) The present invention mainly concerns: ethyl cellulose films, the composition of which, expressed as percentages by weight, contains: - 75% to 95% ethyl cellulose, - 4% to 20% of at least one plasticiser, - 0.5% to 5% of at least one compound chosen from: + 2-nitrodiphenylamine, + 1,3-diethyl-1,3-diphenyl urea, + 1,3-dimethyl-1,3-diphenyl urea, and + 1-methyl-3-ethyl-1,3-diphenyl urea, and - optionally, up to 5% of at least one additive; a method for preparing such films; and double-base propellant blocks, part of the surface of which is combustion-inhibited by such films.
(FR) La présente invention a pour principaux objets : des films d'éthylcellulose dont la composition, exprimée en pourcentages massiques, renferme : - de 75 % à 95 % d'éthylcellulose, - de 4 % à 20 % d'au moins un plastifiant, - de 0,5 % à 5 % d'au moins un composé choisi parmi : + la 2-nitrodiphénylamine, + la l,3-diéthyl-l,3-diphényl urée, + la l,3-diméthyl-l,3-diphényl urée, et + la 1 -méthy l-3-éthy I- 1,3-di phényl urée, et - éventuellement, jusqu'à 5 % d'au moins un additif; un procédé de préparation de tels films; et les blocs de propergol double-base dont une partie de la surface est inhibée en combustion par de tels films.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: French (FR)
Filing Language: French (FR)