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Extract from the Register of European Patents

EP About this file: EP0132299

EP0132299 - Starch-base semipermeable films [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.08.1990
Database last updated on 02.07.2024
Most recent event   Tooltip16.08.1990No opposition filed within time limitpublished on 03.10.1990 [1990/40]
Applicant(s)For all designated states
THE UNITED STATES OF AMERICA as represented by the Secretary United States Department of Commerce
National Technical Information Service, Office of Government Inventions and Patents, 5285 Port Royal Road Springfield
Virginia 22161 / US
[N/P]
Former [1986/46]For all designated states
THE UNITED STATES OF AMERICA as represented by the Secretary United States Department of Commerce
National Technical Information Service, Office of Government Inventions and Patents, 5285 Port Royal Road
Springfield, Virginia 22161 / US
Former [1985/05]For all designated states
THE UNITED STATES OF AMERICA represented by the Secretary U.S. Department of Commerce
National Technical Information Service Office of Government Inventions and Patents 5285 Port Royal Road
Springfield, Virginia 22161 / US
Inventor(s)01 / Westhoff, Richard P.
6500 North Upland Terrace
Peoria Illinois 61615 / US
02 / Otey, Felix H.
1128 East Tripp Avenue
Peoria Illinois 61603 / US
[1985/05]
Representative(s)Daley, Michael John, et al
F.J. CLEVELAND & COMPANY 40-43 Chancery Lane
London WC2A 1JQ / GB
[1985/05]
Application number, filing date84304162.520.06.1984
[1985/05]
Priority number, dateUS1983050719123.06.1983         Original published format: US 507191
[1985/05]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0132299
Date:30.01.1985
Language:EN
[1985/05]
Type: A3 Search report 
No.:EP0132299
Date:02.09.1987
Language:EN
[1987/36]
Type: B1 Patent specification 
No.:EP0132299
Date:25.10.1989
Language:EN
[1989/43]
Search report(s)(Supplementary) European search report - dispatched on:EP16.07.1987
ClassificationIPC:B01D13/04, C08L3/02
[1987/36]
CPC:
B01D67/003 (EP); B01D67/00113 (US); B01D71/08 (EP,US);
C08L3/02 (EP,US)
C-Set:
C08L3/02, C08L23/08 (EP,US);
C08L3/02, C08L2666/02 (US,EP)
Former IPC [1985/05]B01D13/04
Designated contracting statesDE,   FR,   GB,   IT,   NL [1985/05]
TitleGerman:Semipermeable Membran auf Stärkebasis[1985/05]
English:Starch-base semipermeable films[1985/05]
French:Film semi-perméable à base d'amidon[1985/05]
Examination procedure02.02.1988Examination requested  [1988/15]
28.07.1988Despatch of a communication from the examining division (Time limit: M04)
16.11.1988Reply to a communication from the examining division
13.12.1988Despatch of communication of intention to grant (Approval: No)
12.04.1989Despatch of communication of intention to grant (Approval: later approval)
21.04.1989Communication of intention to grant the patent
27.04.1989Fee for grant paid
27.04.1989Fee for publishing/printing paid
Opposition(s)26.07.1990No opposition filed within time limit [1990/40]
Fees paidRenewal fee
20.06.1986Renewal fee patent year 03
24.06.1987Renewal fee patent year 04
13.06.1988Renewal fee patent year 05
28.06.1989Renewal fee patent year 06
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Documents cited:Search[A]US3992496  (MATSUNAGA HIROOMI, et al);
 [A]DE2718210  (STALEY MFG CO A E);
 [A]US4133784  (OTEY FELIX H, et al);
 [A]US4156664  (ELMQUIST LYLE F [US], et al);
 [A]EP0032802  (US AGRICULTURE [US])
 [A]  - INDUSTRIAL AND ENGINEERING CHEMISTRY, PRODUCT RESEARCH AND DEVELOPMENT, vol. 19, 1980, pages 592-595; F.H. OTEY et al.: "Starch-Based Blown Films"
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.