Inventor
Claus-Rudiger Bernert
Inventor
Walsrode, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Bprimary
C08BPolysaccharides27%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients18%
B04BCentrifuges9%
C07DHeterocyclic compounds9%
C08LCompositions of macromolecular compounds9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
4,507,473'Process for the continuous granulation of carboxymethyl cellulose'19854,404,370'Purification of cellulose and starch ethers with counter current washing'19834,398,024'Process for the purification of cellulose and starch ethers'19834,163,088'Antistatic polyamide compositions with polyalkyleneglycol ether having secondary terminal urethane groups'19794,042,570'Terephthalic acid copolyesters which can be dyed in the absence of carriers'19773,962,176'Antistatic polyamide compositions which are stabilized against yellowing'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1979Patents assigned to BAYER AG (3)· patent assignee history
1976Based in Dormagen, DE· patent location history
1977–1979Based in Bomlitz, DE· patent location history
1983–1985Patents assigned to WOLFF WALSRODE AG (2)· patent assignee history
1983Patents assigned to WOLFF WALSRODE AG AND BAYER AG (1)· patent assignee history
1983–1985Based in Walsrode, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 3 | 1976–1979 |
| WOLFF WALSRODE AG | 2 | 1983–1985 |
| WOLFF WALSRODE AG AND BAYER AG | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Walsrode, DE | 3 | 1983–1985 |
| Bomlitz, DE | 2 | 1977–1979 |
| Dormagen, DE | 1 | 1976 |