Patent EP0370517A2 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0370517A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Flame retardant composition

Assignee: NUC Corp
•
Filing: 1989-11-24
•
Granted: —
•
Expires: 2009-11-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A composition comprising: (i) a thermoplastic resin; (ii) an inorganic flame retardant; (iii) a copolymer of ethylene and either 1-hexene or 1-octene, said copolymer having been modified with a unsaturated organic compound containing at least one carboxylate group; and (iv) optionally, a copolymer of ethylene and one or more alpha-olefins having a crystallinity of less than about 40 percent by weight.

Inventors

  • 👤 Katsuhiro Horita
  • 👤 Takao Koshiyama
  • 👤 Shoji Hayashi
  • 👤 Mamoru Yoshida
  • 👤 Yasuharu Moritani
  • 👤 Satoshi Hashimoto

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 13:31
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0869; C08K; C08K3/00; C08K3/01; C08K3/016; C08K3/18; C08K3/20; C08K3/22; C08K3/24; C08K3/26; C08K9/00; C08K9/04; C08L23/0807; C08L23/0815; C08L43/00; C08L43/04; C08L51/00; C08L51/06; C08L2205/00; C08L2205/03

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 61 words
A composition comprising: (i) a thermoplastic resin; (ii) an inorganic flame retardant; (iii) a copolymer of ethylene and either 1-hexene or 1-octene, said copolymer having been modified with a unsaturated organic compound containing at least one carboxylate group; and (iv) optionally, a copolymer of ethylene and one or more alpha-olefins having a crystallinity of less than about 40 percent by weight.
Claim 2
Dependent Claim 61 words
A composition comprising: (i) a thermoplastic resin; (ii) an inorganic flame retardant; (iii) a copolymer of ethylene and either 1-hexene or 1-octene, said copolymer having been modified with a unsaturated organic compound containing at least one carboxylate group; and (iv) optionally, a copolymer of ethylene and one or more alpha-olefins having a crystallinity of less than about 40 percent by weight.
Claim 3
Dependent Claim 43 words
The composition defined in claim 1 wherein for each 100 parts by weight of thermoplastic resin, the following are present in about the following proportions: Components Parts by Weight (ii) 60 to 450 (iii) 20 to 80 (iv), if any 10 to 40
Claim 4
Dependent Claim 23 words
The composition defined in at least one of the claims 1 to 2 wherein the thermoplastic resin is an ethylene homopolymer or copolymer.
Claim 5
Dependent Claim 21 words
The composition defined in at least one of the claims 1 to 3 wherein the inorganic flame retardant is magnesium hydroxide.
Claim 6
Dependent Claim 25 words
The composition defined in claim 4 wherein the magnesium hydroxide is surface treated with a fatty acid or a metallic salt of a fatty acid.
Claim 7
Dependent Claim 49 words
The composition defined in at least one of the claims 4 to 5 wherein the magnesium hydroxide has an average particle diameter in the range of about 0.1 to about 15 microns and a surface area in the range of about 1 to about 20 square meters per gram.
Claim 8
Dependent Claim 111 words
A composition comprising: (i) a thermoplastic resin, which is an ethylene homopolymer or copolymer, and based upon 100 parts by weight of the thermoplastic resin, (ii) about 60 to about 450 parts by weight of a magnesium hydroxide, surface treated with a fatty acid; (iii) about 20 to about 80 parts by weight of a copolymer of ethylene and either 1-hexene or 1-octene, said copolymer having been modified with an unsaturated organic compound containing at least one carboxylate group; and (iv) optionally, about 10 to about 40 parts by weight of a copolymer of ethylene and one or more alpha-olefins having a crystallinity of less than about 40 percent by weight.
Claim 9
Dependent Claim 111 words
A composition comprising: (i) a thermoplastic resin, which is an ethylene homopolymer or copolymer, and based upon 100 parts by weight of the thermoplastic resin, (ii) about 60 to about 450 parts by weight of a magnesium hydroxide, surface treated with a fatty acid; (iii) about 20 to about 80 parts by weight of a copolymer of ethylene and either 1-hexene or 1-octene, said copolymer having been modified with an unsaturated organic compound containing at least one carboxylate group; and (iv) optionally, about 10 to about 40 parts by weight of a copolymer of ethylene and one or more alpha-olefins having a crystallinity of less than about 40 percent by weight.
Claim 10
Dependent Claim 23 words
The composition defined in at least one of the claims 1 to 7 additionally containing an organic peroxide crosslinking agent, e.g. dicumyl peroxide.
Claim 11
Dependent Claim 21 words
The composition defined in at least one of the claims 1 to 7 wherein the thermoplastic resin is a hydrolyzable resin.
Claim 12
Dependent Claim 26 words
The composition defined in claim 9 wherein the thermoplastic resin contains one or more -Si(OR)₃ groups wherein R is a hydrocarbyl radical through copolymerization or grafting.
Claim 13
Dependent Claim 16 words
The composition defined in claim 10 wherein the silane groups are provided by a vinyltrialkoxy silane.
Claim 14
Dependent Claim 25 words
The composition defined in at least one of the claims 10 to 11 wherein the resin is a copolymer of ethylene and vinyl trimethoxy silane.
Claim 15
Dependent Claim 20 words
The composition defined in claim 10 wherein the silane compound which is copolymerized or grafted is an alkenyl alkoxy silane.
Claim 16
Dependent Claim 15 words
The composition defined in claim 13 additionally containing a silanol condensation catalyst, e.g. dibutyltin dilaurate.
Claim 17
Dependent Claim 28 words
An electrical conductor coated with the composition defined in at least one of the claims 1 to 14, e.g. a cable having an outer jacket comprising said composition.
Claim 18
Dependent Claim 21 words
The composition defined in at least one of the claims 1 to 14 coated on, or extruded about, an electrical conductor.
Claim 19
Dependent Claim 17 words
A molded article comprising the composition defined in at least one of the claims 1 to 14.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag