The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 1983
Filed:
Dec. 11, 1980
Applicant:
Inventor:
Robert Smith-Johannsen, Incline Village, NV (US);
Assignee:
Ramu International, Incline Village, NV (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
264 28 ; 26433111 ; 252317 ;
Abstract
Process of freezing organic particulate suspensions containing freeze-sensitive inorganic colloidal sols to form uniform porous substrates and of freezing biological material while in contact with a hydrophobic liquid.