← Back to Patent Explorer
US3838007A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-insoluble enzyme composition

Assignee: Gist Brocades NV
•
Filing: 1972-09-20
•
Granted: 1974-09-24
•
Expires: 1992-09-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A WATER INSOLUBLE ENZYME PREPARATION IS PREPARED BY A PROCESS INVOLVING THE STEPS OF SUSPENDING A NON-PROTEOLYTIC ENZYME IN AN AQUEOUS SOLUTION OF GELLING PROTEIN, COMBINING THE MIXTURE OBTAINED WITH AN ORGANIC LIQUID POORLY MISCIBLE OR IMMISCIBLE IN WATER TO PRODUCE A SUSPENSION HAVING THE PROTEIN IN PARTICULATE FORM, TREATING THE RESULTING SUSPENSION TO EFFECT GELATION OF THE GELLING PROTEIN AND CONTACTING THE RESULTANT GELLED PROTEIN PARTICLES WITH A BI- OR POLYFUNCTIONAL PROTEIN REAGENT TO CROSS-LINKED THE MOLECULES OF THE PROTEINS PRESENT IN THE PARTICLES. THE INSOLUBLE ENZYME PREPARATION CAN BE USED IN COLUMN AND BED REACTORS FOR ENZYMATIC REACTIONS SUCH AS FOR INVERSION OF SACCHAROSE OR HYDROLYSIS OF STARCH.

Inventors

  • 👤 Velzen A Van

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:24
CPC Classifications
C; C12; C12N; C12N11/00; C12N11/02; C12P; C12P19/00; C12P19/14; C12P19/20; C12P7/00; C12P7/40; C12P7/58

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

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) 1977-09-23 1978-03-25 1978-09-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-23 1982-03-25 1982-09-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-23 1986-03-25 1986-09-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag