Inventor
Wolfram Kalt
Inventor
Lenzing, AT
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons31%
C08LCompositions of macromolecular compounds14%
C08BPolysaccharides10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
B01DSeparation7%
C07DHeterocyclic compounds7%
C08JWorking-up7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C07CAcyclic or carbocyclic compounds3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
PatentTitleYear
5,988,437'Device for draining or storing viscous materials'19995,904,818'Process for the regeneration of an aqueous process liquid of the amine-oxide process'19995,858,285'Process for the production of an aqueous solution of a tertiary amine-oxide'19995,795,488'Process for transporting a solution of cellulose in an aqueous tertiary amine-oxide'19985,766,530'Process for the production of cellulose moulded bodies'19985,679,146'Moulding materials and spinning materials containing cellulose'19975,628,941'Process for the production of cellulose moulded bodies'19975,556,452'Moulding materials and spinning materials containing cellulose'19965,503,749'Process for the purification of aqueous solutions of amine-oxides'19965,486,230'Stable moulding material and spinning material containing cellulose'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1999Patents assigned to CHEMIEFASER LENZING AG (10)· patent assignee history
1996–1999Based in Lenzing, AT· patent location history
1999Based in Furstenfeld, AT· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEMIEFASER LENZING AG | 10 | 1996–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lenzing, AT | 9 | 1996–1999 |
| Furstenfeld, AT | 1 | 1999 |