EP0171941A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Weather resistant polyacetal resin composition
Assignee: Polyplastics Co Ltd
•
Filing: 1985-07-19
•
Granted: —
•
Expires: 2005-07-19
Abstract
Abstract A polyacetal resin composition comprises a polyacetal resin as the matrix, (A) 0.01 to 2.0 percent by weight of a stabilizer selected from a benzotriazole compound, a benzophenone compound and an aromatic benzoate compound and (B) 0.01 to 2.0 percent by weight of a hindered amine compound and is improved in weatherability
Inventors
- 👤 Yukio Ikenaga
- 👤 Masami Yamawaki
- 👤 Kunio Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 08:54
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3435; C08K5/04; C08K5/13; C08K5/132; C08K5/134; C08K5/1345; C08K5/3467; C08K5/3472; C08K5/3475
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
48 words
A polyacetal resin composition, which comprises a polyacetal resin as the matrix, (A) 0.01 to 2.0 percent by weight of a stabilizer selected from a benzotriazole compound, a benzophenone compound and an aromatic benzoate compound and (B) 0.01 to 2.0 percent by weight of a hindered amine compound.
Claim 2
Dependent Claim
48 words
A polyacetal resin composition, which comprises a polyacetal resin as the matrix, (A) 0.01 to 2.0 percent by weight of a stabilizer selected from a benzotriazole compound, a benzophenone compound and an aromatic benzoate compound and (B) 0.01 to 2.0 percent by weight of a hindered amine compound.
Claim 3
Dependent Claim
27 words
A polyacetal resin composition according to claim 1, wherein a said stabilizer is present in an amount between 0.02 and 1.0 percent by weight of the composition.
Claim 4
Dependent Claim
32 words
A polyacetal resin composition according to claim 1 or 2, wherein said hindered amine compound is present in an amount by weights between 0.02 and 1.0 percent by weight of the composition.
Claim 5
Dependent Claim
14 words
A polyacetal resin composition according to claim 1, which further comprises another conventional additive.
References Cited (Backward Citations)
EP0112726A2
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.