US3894077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic agent for plastics
Assignee: Daicel Corp
•
Filing: 1974-02-25
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Granted: 1975-07-08
•
Expires: 1994-02-25
Abstract
Abstract (IN WHICH R4 is an alkyl group having 6 to 16 carbon atoms), R2 is a lower alkyl group having 1 to 4 carbon atoms or a hydroxyalkyl group of the same kind as R1, R3 is a lower alkyl group having 1 to 4 carbon atoms, and n is an integer of 1 to 4. WHEREIN R1 is a hydroxyalkyl group of the formula An antistatic agent for plastics comprising a compound of the formula;
Inventors
- 👤 Takeshi Horikawa
- 👤 Hiroshi Yagihara
- 👤 Masayoshi Kubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S260/20
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
6 words
AN ANTISTATIC AGENT OF THE FORMULA
Claim 2
Dependent Claim
6 words
AN ANTISTATIC AGENT OF THE FORMULA
Claim 3
Dependent Claim
14 words
An antistatic agent according to claim 1, in which R2 and R3 are methyl.
Claim 4
Dependent Claim
6 words
An antistatic agent of the formula;
Claim 5
Dependent Claim
6 words
An antistatic agent of the formula;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-07 | 1979-01-06 | 1979-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-07 | 1983-01-06 | 1983-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-07 | 1987-01-06 | 1987-07-08 | $7700.00 | Window Closed / Lapsed |