August 6, 1993 CIBA-GEIGY Limited CH-1723 Marly 1, Switzerland Attention: Dr. Max Hunziker: R&D Agreement Dear Sirs: The existing modified R&D Agreement shall be further modified as follows:
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August 6, 1993
CIBA-GEIGY
Limited
XX-0000 Xxxxx 0, Xxxxxxxxxxx
Attention: Xx. Xxx Xxxxxxxx:
R&D Agreement
Dear Sirs:
The existing modified R&D Agreement shall be further modified as follows:
Paragraph 1.a) "SL-Process" shall mean the StereoLithography method of 3D, as defined and claimed (i) in the patent or patents now set forth on Annex A as such patents existed on May 6, 1988, regardless of any subsequent amendments, modifications or limitations thereof; (ii) in any additional patents or patent applications (while such applications are pending) added to Annex A at the date of the agreement or thereafter by mutual consent of the parties, such consent to be not unreasonably withheld, together with the documented know-how relating to the claims set forth in such patents or patent applications provided, if such know-how is outside of the claims set out in such patent on Annex A such documented know-how shall be described on Annex A, or added thereto with the mutual consent of the parties, such consent not to be reasonably withheld; and (iii) any solid imaging process that uses ink jet technology to dispense any type of initiator or reactive or non-reactive monomer or other solid or solidifying or supporting material that is used in the formation of three-dimensional objects.
The following U.S. Patents shall be added to Annex A:
| BI 4,575,330 | APPARATUS FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 4,929,402 | METHOD FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 4,996,010 | METHODS AND APPARATUS FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 4,999,143 | METHODS AND APPARATUS FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 5,015.424 | METHODS AND APPARATUS FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 5,058,988 | APPARATUS AND METHOD FOR PROFILING A BEAM | |
| 5,059,021 | APPARATUS AND METHOD FOR CORRECTING FOR DRIFT IN PRODUCTION OF OBJECTS BY STEREOLITHOGRAPHY | |
| 5,059,359 | METHODS AND APPARATUS FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 5,071,337 | APPARATUS FOR FORMING A SOLID THREE-DIMENSIONAL ARTICLE FROM A LIQUID MEDIUM (QUADRAX) | |
| 5,076,974 | METHODS OF CURING PARTIALLY POLYMERIZED PARTS | |
| 5,096,530 | RESIN FILM RECOATING METHOD AND APPARATUS | |
| 5,104,592 | METHOD OF AND APPARATUS FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY WITH REDUCED CURL | |
| 5,123,734 | APPARATUS AND METHOD FOR CALIBRATING AND NORMALIZING A STEREOLITHOGRAPHIC APPARATUS |
| 5,130,064 | METHOD OF MAKING A THREE-DIMENSIONAL OBJECT BY STEREOLITHOGRAPHY | |
| 5,133,987 | STEREOLITHOGRAPHIC APPARATUS AND METHOD | |
| 5,137,662 | METHOD AND APPARATUS FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 5,141,680 | THERMAL STEREOLITHOGRAPHY | |
| 5,143,663 | STEREOLITHOGRAPHY METHOD AND APPARATUS | |
| 5,164,128 | METHODS FOR CURING PARTIALLY POLYMERIZED PARTS | |
| 5,174,931 | METHOD OF AND APPARATUS FOR MAKING A THREE-DIMENSIONAL PRODUCT BY STEREOLITHOGRAPHY | |
| 5,174,943 | METHOD FOR PRODUCTION OF THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 5,182,055 | METHOD OF MAKING A THREE-DIMENSIONAL OBJECT BY STEREOLITHOGRAPHY | |
| 5,182,056 | STEREOLITHOGRAPHY METHOD AND APPARATUS EMPLOYING VARIOUS PENETRATION DEPTHS | |
| 5,182,715 | RAPID AND ACCURATE PRODUCTION OF STEREOLITHOGRAPHIC PARTS | |
| 5,184,307 | METHOD AND APPARATUS FOR PRODUCTION OF HIGH RESOLUTION THREE-DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY | |
| 5,192,469 | SIMULTANEOUS MULTIPLE LAYER CURING IN STEREOLITHOGRAPHY | |
| 5,192,559 | APPARATUS FOR BUILDING THREE-DIMENSIONAL OBJECTS WITH SHEETS | |
| 5,209,878 | SURFACE RESOLUTION IN THREE DIMENSIONAL OBJECTS BY INCLUSION OF THIN FILL LAYERS | |
| 5,234,636 | METHODS OF COATING STEREOLITHOGRAPHIC PARTS | |
| 5,236,677 | METHOD AND APPARATUS FOR PRODUCTION OF THREE DIMENSIONAL OBJECTS BY STEREOLITHOGRAPHY |
We envision a continuing successful R&D program;
Yours truly,
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|---|---|---|
| /s/ Xxxxxxx X. Xxxx 3D Systems, Inc. |
/s/ Xxxxxx X. Xxxx 3D Systems, Inc. |
Agreed and Accepted:.
CIBA-GEIGY Limited
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EXHIBIT 10.40
