Patent US1336599A successfully refreshed from Google Patents.
Patent US5847421A successfully refreshed from Google Patents.
Patent US3811848A successfully refreshed from Google Patents.
US3811848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic additive compositions
Assignee: EIDP Inc
•
Filing: 1972-06-30
•
Granted: 1974-05-21
•
Expires: 1992-06-30
Abstract
Abstract Antistatic compositions comprising 1. OLEFIN-SULFUR DIOXIDE COPOLYMER CONSISTING ESSENTIALLY OF UNITS DERIVED FROM SULFUR DIOXIDE, C6 1-alkene, and optionally an olefin having the formula WHEREIN A is a group having the formula -(CxH2x)-C00H wherein x is from 0 to about 17, and B is hydrogen or carboxyl, and 2. A QUATERNARY AMMONIUM COMPOUND. D R A W I N G
Inventors
- 👤 D Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:55
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/20; C08G75/205; C08G75/22; C08G65/00; C08G65/02; C08G65/26; C08G65/2618; C08G65/2621; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/1814; C10L1/188; C10L1/22; C10L1/222; C10L1/2222; C10L1/24; C10L1/2406; C10L1/2431; C10L1/2462; C10L1/2468; C10L1/26; C10L1/2633; C10L1/2641; C10L1/2658; C10L1/30; C10L1/301
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
19 words
OLEFIN-SULFUR DIOXIDE COPOLYMER CONSISTING ESSENTIALLY OF UNITS DERIVED FROM SULFUR DIOXIDE, C6-1-ALKENE, AND OPTIONALLY AN OLEFIN HAVING THE FORMULA
Claim 2
Dependent Claim
19 words
OLEFIN-SULFUR DIOXIDE COPOLYMER CONSISTING ESSENTIALLY OF UNITS DERIVED FROM SULFUR DIOXIDE, C6-1-ALKENE, AND OPTIONALLY AN OLEFIN HAVING THE FORMULA
Claim 3
Dependent Claim
7 words
a quaternary ammonium compound having the formula
Claim 4
Dependent Claim
7 words
a quaternary ammonium compound having the formula
Claim 5
Dependent Claim
4 words
A QUATERNARY AMMONIUM COMPOUND.
Claim 6
Dependent Claim
4 words
A QUATERNARY AMMONIUM COMPOUND.
Claim 7
Dependent Claim
8 words
a quaternary ammonium compound having the formula -
Claim 8
Dependent Claim
8 words
a quaternary ammonium compound having the formula -
Claim 9
Dependent Claim
25 words
An antistatic composition according to claim 1 wherein the weight ratio of polysulfone copolymer (1) and quaternary ammonium compound (2) is from 100:1 to 1:100.
Claim 10
Dependent Claim
45 words
An antistatic composition according to claim 2 wherein the polysulfone copolymer (1) consists essentially of a. about 50 mol percent of units derived from sulfur dioxide, and b. about 50 mol percent of units derived from a 1-olefin having from 8 to 12 carbon atoms.
Claim 11
Dependent Claim
16 words
An antistatic composition according to claim 3 wherein the quaternary ammonium compound (2) has the formula
Claim 12
Dependent Claim
16 words
An antistatic composition according to claim 3 wherein the quaternary ammonium compound (2) has the formula
Claim 13
Dependent Claim
16 words
An antistatic composition according to claim 3 wherein the quaternary ammonium compound (2) has the formula
Claim 14
Dependent Claim
16 words
An antistatic composition according to claim 3 wherein the quaternary ammonium compound (2) has the formula
Claim 15
Dependent Claim
24 words
An antistatic composition according to claim 4 wherein the polysulfone copolymer (1) is 1-decene polysulfone and the quaternary ammonium compound (2) is dicocodimethylammonium nitrite.
Claim 16
Dependent Claim
22 words
An antistatic composition according to claim 2 wherein the polysulfone copolymer has a molecular weight of from about 50,000 to about 900,000.
Claim 17
Dependent Claim
28 words
A hydrocarbon fuel comprising A. a liquid hydrocarbon boiling in the range of from about 70*F. and about 700*F., and B. an antistatic amount of a composition comprising
Claim 18
Dependent Claim
28 words
A hydrocarbon fuel comprising A. a liquid hydrocarbon boiling in the range of from about 70*F. and about 700*F., and B. an antistatic amount of a composition comprising
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |