← Back to Patent Explorer
US5712336A Expired / Lapsed US ⏱️ 0.0 years remaining

Flameproofed thermoplastic molding materials

Assignee: BASF SE
•
Filing: 1997-04-14
•
Granted: 1998-01-27
•
Expires: 2017-04-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Flameproofed thermoplastic molding materials contain A) a thermoplastic polyester, B) decabromodiphenylethane, C) a metal oxide or metal sulfide or metal borate or a mixture thereof, D) an ester of at least one alcohol having at least 3 OH groups and one or more aliphatic mono- or dichaboxylic acids of 5 to 34 carbon atoms and optionally, E) by weight of conventional additives and processing assistants.

Inventors

  • 👤 Brigitte Gareiss
  • 👤 Manfred Knoll
  • 👤 Christoph Plachetta

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:41
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; C08K5/03; C08K3/00; C08K3/01; C08K5/04; C08K5/10; C08K5/101; C08K5/103

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 119 words
A flameproofed thermoplastic molding material containing A) from 10 to 97.9% by weight of a thermoplastic polyester, B) from 1 to 20% by weight of decabromodiphenylthane, C) from 1 to 15% by weight of a metal oxide or metal sulfide or metal borate or a mixture thereof, D) from 0.1 to 5% by weight of an ester of at least one alcohol having at least 3 OH groups and one or more aliphatic mono- or dicarboxylic acids of 5 to 34 carbon atoms and E) from 0 to 70% by weight of stabilizers, antioxidants, lubricants, mold release agents, plasticizers, fluorine-containing ethylene polymers, minerals and fillers E, the percentages by weight of the components A) to E) summing to 100%.
Claim 2
Dependent Claim 119 words
A flameproofed thermoplastic molding material containing A) from 10 to 97.9% by weight of a thermoplastic polyester, B) from 1 to 20% by weight of decabromodiphenylthane, C) from 1 to 15% by weight of a metal oxide or metal sulfide or metal borate or a mixture thereof, D) from 0.1 to 5% by weight of an ester of at least one alcohol having at least 3 OH groups and one or more aliphatic mono- or dicarboxylic acids of 5 to 34 carbon atoms and E) from 0 to 70% by weight of stabilizers, antioxidants, lubricants, mold release agents, plasticizers, fluorine-containing ethylene polymers, minerals and fillers E, the percentages by weight of the components A) to E) summing to 100%.
Claim 3
Dependent Claim 29 words
A flameproofed thermoplastic molding material as defined in claim 1, in which up to 90% by weight, based on A) of the component A) is replaced with a polycarbonate.
Claim 4
Dependent Claim 25 words
A flameproofed thermoplastic molding material as defined in claim 1, in which the component A) is polyethylene terephthalate or polybutylene terephthalate or a mixture thereof.
Claim 5
Dependent Claim 28 words
A flameproofed thermoplastic molding material as defined in claim 1, in which the component A) contains up to 100 meq of terminal carboxyl groups per kg of polyester.
Claim 6
Dependent Claim 18 words
A flameproofed thermoplastic molding material as defined in claim 1, in which the component C) is antimony trioxide.
Claim 7
Dependent Claim 18 words
A flameproofed thermoplastic molding material as defined in claim 1, in which the component D) is pentaerythrityl tetrastearate.
Claim 8
Dependent Claim 140 words
A flameproofed thermoplastic molding material containing A) from 30 to 80% by weight of a polycarbonate or polybutylene terephthalate or polyethylene terephthalate or a mixture thereof B) from 1 to 20% by weight of decabromodiphenylethane, C) from 1 to 25% by weight of a metal oxide or metal sulfide or metal borate or a mixture thereof, D) from 0.1 to 5% by weight of an ester of at least one alcohol having at least 3 OH groups and one or more aliphatic mono- or dicarboxylic acids of 5 to 34 carbon atoms, E1) from 1 to 40% by weight of an ASA, SAN or ABS graft polymer or a mixture thereof E2) from 1 to 40% by weight of a fibrous or particulate filler or a mixture thereof, the percentages by weight of components A) to E) summing to 100%.
Claim 9
Dependent Claim 140 words
A flameproofed thermoplastic molding material containing A) from 30 to 80% by weight of a polycarbonate or polybutylene terephthalate or polyethylene terephthalate or a mixture thereof B) from 1 to 20% by weight of decabromodiphenylethane, C) from 1 to 25% by weight of a metal oxide or metal sulfide or metal borate or a mixture thereof, D) from 0.1 to 5% by weight of an ester of at least one alcohol having at least 3 OH groups and one or more aliphatic mono- or dicarboxylic acids of 5 to 34 carbon atoms, E1) from 1 to 40% by weight of an ASA, SAN or ABS graft polymer or a mixture thereof E2) from 1 to 40% by weight of a fibrous or particulate filler or a mixture thereof, the percentages by weight of components A) to E) summing to 100%.
Claim 10
Dependent Claim 14 words
A molding formed from a flameproofed thermoplastic molding material as defined in claim 1.
Claim 11
Dependent Claim 33 words
A lamp socket, lamp holder, plug, multipoint connector, coil former, capacitor housing, contactor housing, fuse switch, relay housing or a reflector formed from a flameproofed thermoplastic molding material as defined in claim 1.

References Cited (Backward Citations)

US3516957A Cited
US4086212A Cited
US4530953A Cited
US4548964A Cited
US4713407A Cited
US5077334A Cited
US5135973A Cited
US5039729A Cited
US5008477A Cited
US5030778A Cited
EP0469569A2 Cited
US5371123A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-01-26 2001-07-28 2002-01-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-01-26 2005-07-28 2006-01-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-01-26 2009-07-28 2010-01-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag