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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.:

US 4762636 B1

PDFFull Text
Date of Patent:
Aug. 09, 1988

Filed:

Feb. 20, 1987

Process for the preparation of granules containing an active substance

Applicant:
Inventors:

Paolo Balliello, Rheinfelden, DE;

Beat Bruttel, Bockten, CH;

Hanspeter Will, Frenkendorf, CH;

Assignee:

Ciba-Geigy Corporation, Ardsley, NY (US);

Attorneys:

Roberts; Edward McC.

Findlay; Meredith C.

Primary Examiner:

Paul Lieberman

Assistant Examiner:

Kathleen Markowski

Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 95 ; 106503 ; 252 91 ; 252102 ; 252135 ; 25217413 ; 25218625 ; 25218635 ; 25218638 ; 25230121 ; 252353 ; 252357 ; 252543 ; 252558 ; 264117 ;
Abstract

A process for the preparation of floating granules ('speckles') by spray drying a solution that contains one or more active substances, a carrier material and a foaming agent, and subsequently compacting the dried material so obtained.

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Balliello, Paolo. (1988). Process for the preparation of granules containing an active substance (U.S. Patent No. 4762636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4762636

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