Patent US3859378A successfully refreshed from Google Patents.
US3859378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic finishing of plastic molding materials
Assignee: Sandoz AG
•
Filing: 1971-09-01
•
Granted: 1975-01-07
•
Expires: 1991-09-01
Abstract
Abstract The use for the antistatic finishing of spun or moulded synthetic polymers of substituted or quaternised compounds derived essentially from high molecular fatty acids and polyalkylene polyamines.
Inventors
- 👤 Richard Hochreuter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
50 words
A COMPOSITION CONSISTING ESSENTIALLY OF A SYNTHETIC PLASTIC POLYMER WHICH IS SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, POLYSTRYENE, POLYVINYL CHLORIDE, AND POLYOLEFINS AND WHICH HAS A TENDENCE TO ACCUMULATE STATIC ELECTRICITY AND, INCORPORATED THEREIN, 0.01 TO 5% BY WEIGHT OF THE POLYMER OF AN ANTISTATIC COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
50 words
A COMPOSITION CONSISTING ESSENTIALLY OF A SYNTHETIC PLASTIC POLYMER WHICH IS SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, POLYSTRYENE, POLYVINYL CHLORIDE, AND POLYOLEFINS AND WHICH HAS A TENDENCE TO ACCUMULATE STATIC ELECTRICITY AND, INCORPORATED THEREIN, 0.01 TO 5% BY WEIGHT OF THE POLYMER OF AN ANTISTATIC COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
24 words
A composition according to claim 1 wherein the antistatic compound is present in an amount of 0.1 to 1% by weight of the polymer.
Claim 4
Dependent Claim
23 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula C11H23CONH(CH2)3NH(CH2)3NHCH2COONa and the polymer is a polyamide.
Claim 5
Dependent Claim
16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula
Claim 6
Dependent Claim
16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula
Claim 7
Dependent Claim
16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula
Claim 8
Dependent Claim
16 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula
Claim 9
Dependent Claim
23 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula C17H33CONH(CH2)3-NH-(CH2)3NHCH2COONa and the polymer is polyvinyl chloride.
Claim 10
Dependent Claim
23 words
A composition according to claim 1 wherein the antistatic compound is a compound of the formula C17H33CONH(CH2)3NH(CH2)3NHCH2CH2COONa and the polymer is polyvinyl chloride.
Claim 11
Dependent Claim
16 words
A composition according to claim 1 wherein the antistatic compound is a compound 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) | 1978-01-06 | 1978-07-08 | 1979-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-06 | 1982-07-08 | 1983-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-06 | 1986-07-08 | 1987-01-07 | $7700.00 | Window Closed / Lapsed |