Claims
- 1. In an improved process of passing a prior nebulized aerosol mixture through a filter, and thereafter measuring the filter efficiency the improvement consisting essentially of said aerosol being solely a poly-alpha olefin having in %, by volume, of about:
- ______________________________________% Carbon chain length______________________________________0.6 2082.1 3016.0 401.0 502.0 60.______________________________________
- 2. The process of claim 1 wherein the mass concentration of said aerosol at said filter is 114.9 mg/m.sup.3.
- 3. The process of claim 1 wherein said filter efficiency measuring is done by light-scattering means.
- 4. The process of claim 1 wherein the aerosol surface area mean diameter is about 0.203 microns.
- 5. The process of claim 1 wherein the aerosol spread factor is about 1.345.
GOVERNMENTAL INTEREST
The invention described herein may be made, used or licensed by or for the Government for governmental purposes without the payment to us of any royalties thereon.
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Number |
Name |
Date |
Kind |
H267 |
Carlton et al. |
May 1987 |
|
4914957 |
Dougherty |
Apr 1990 |
|
4917830 |
Ortiz et al. |
Apr 1990 |
|
4963289 |
Ortiz et al. |
Oct 1990 |
|