US3816352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray dried alpha-olefin sulfonate detergent compositions
Assignee: Individual
•
Filing: 1972-11-01
•
Granted: 1974-06-11
•
Expires: 1992-11-01
Abstract
Abstract Dry powder compositions in the form of spray dried beads which are composed of alpha-olefin sulfonate, linear alkyl benzene sulfonate, starch hydrolysate, magnesium sulfate, sodium chloride and a sulfate filler in certain relative proportions.
Inventors
- 👤 V Loureiro
- 👤 A Greenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:56
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/221; A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/23; A61K8/30; A61K8/46; A61K8/466; A61K8/72; A61K8/73; A61K8/732; A61Q; A61Q1/00; A61Q1/12; A61Q19/00; A61Q19/10; C11D1/00; C11D1/02; C11D1/37; C11D11/00; C11D11/02; A61K2800/00; A61K2800/20; A61K2800/30; A61K2800/31; C11D1/12; C11D1/14; C11D1/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
51 words
A composition according to claim 1 wherein there is present from 12 to 14% of said (a) ingredient; about 2% of said (b) ingredient; about 2% of said (c) ingredient; about 20% of said (d) ingredient; about 10% of said (e) ingredient and about 50 to 55% of said (f) ingredient.
Claim 2
Dependent Claim
45 words
A composition according to claim 1 wherein said (a) ingredient is the sodium salt of a sulfonated alpha-olefin containing 12 to 18 carbon atoms and said (b) ingredient is a sodium linear alkyl benzene sulfonate wherein the alkyl group has 12 to 16 carbon atoms.
Claim 3
Dependent Claim
16 words
A composition according to claim 1 which has a bulk density between 0.20 and 0.25 g/cc.
Claim 4
Dependent Claim
30 words
A composition according to claim 1 which is prepared by spray drying utilizing an air inlet temperature of 700* to 840*F. and an air outlet temperature of 240* to 260*F.
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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |